PUBLICATIONS


Open access versions of our papers can be found here https://www.repository.cam.ac.uk/discover

 

Full list of papers and citations herehttps://scholar.google.com/citations?user=ZUM0sVEAAAAJ&hl=en 

 

 

Preprints

 

 

1.     “Quantifying Ultrafast Three-Dimensional Transport Using Interferometrically Enhanced Pump-Probe Microscopy”, Arjun Ashoka, Nicolas Gauriot, Aswathy Girija, Jooyoung Sung, Christoph Schnedermann, Akshay Rao, arxiv:2109.01551

 

2.     “Extracting Quantitative Dielectric Properties from Pump-Probe Spectroscopy”, Arjun Ashoka, Ronnie R. Tamming, Aswathy V. Girija, Hope Bretscher, Sachin Dev Verma, Shang-Da Yang, Chih-Hsuan Lu, Justin M. Hodgkiss, David Ritchie, Chong Chen, Charles G. Smith, Christoph Schnedermann, Michael B. Price, Kai Chen, Akshay Rao, arXiv:2108.10605

 

3.     “Observation of an Ultrafast Exciton Transport Regime at Early Times in Quantum Dot Solids”, Zhilong Zhang, Jooyoung Sung, Daniel Toolan, Sanyang Han, Michael Weir, James Xiao, Simon Dowland, Mengxia Liu, Anthony Ryan, Richard Jones, Shujuan Huang, Akshay Rao, Preprint

 

4.     “Ligand Directed Self-Assembly of Bulk Organic-Semiconductor/Quantum-Dot Blend Films Enables Near Quantitative Harvesting of Triplet Excitons”, Jesse Allardice, Victor Gray, Simon Dowland, Daniel T. W. Toolan, Michael P. Weir, James Xiao, Zhilong Zhang, Jurjen F. Winkel, Anthony J. Petty II, John Anthony, Richard Friend, Anthony J. Ryan, Richard A. L. Jones, Neil C. Greenham, Akshay Rao, arXiv:2009.05764.

 

5.     “Energy Efficient Dissociation of Excitons to Free Charges”, Maxim Tabachnyk, Samuel L. Smith, Leah R. Weiss, Aditya Sadhanala, Alex W. Chin, Richard H. Friend, Akshay Rao.  arXiv:1704.03780

 

 

2021

 

1.     “Operando optical tracking of single-particle ion dynamics and phase transitions in battery electrodes”, Alice J. Merryweather, Christoph Schnedermann, Quentin Jacquet, Clare P. Grey, Akshay Rao, Nature, 594, 522–528, 2021, Full Text.

 

2.     “The role of charge recombination to spin-triplet excitons in non-fullerene acceptor organic solar cells”, Alexander J. Gillett, Alberto Privitera, Rishat Dilmurat, Akchheta Karki, Deping Qian, Anton Pershin, Giacomo Londi, William K. Myers, Jaewon Lee, Jun Yuan, Seo-Jin Ko, Moritz K. Riede, Feng Gao, Guillermo C. Bazan, Akshay Rao, Thuc-Quyen Nguyen, David Beljonne, Richard H. Friend, Nature, 597, 666–671, 2021, DOI: 10.1038/s41586-021-03840-5, Full Text.

 

3.     “Microcavity-Like Exciton-Polaritons can be the Primary Photoexcitation in Bare Organic Semiconductors”, Raj Pandya, Richard Chen, Qifei Gu, Jooyoung Sung, Christoph Schnedermann, Oluwafemi S Ojambati, Rohit Chikkaraddy, Jeffrey Gorman, Gianni Jacucci, Olimpia D Onelli, Tom Willhammar, Duncan N Johnstone, Sean M Collins, Paul A Midgley, Florian Auras, Tomi Baikie, Rahul Jayaprakash, Fabrice Mathevet, Richard Soucek, Matthew Du, Silvia Vignolini, David G Lidzey, Jeremy J Baumberg, Richard H Friend, Thierry Barisien, Laurent Legrand, Alex W Chin, Andrew J Musser, Joel Yuen-Zhou, Semion K Saikin, Philipp Kukura, Akshay Rao, Nature Communications, 2021, In Press , arXiv:1909.03220

 

4.     “Highly efficient exciton transport via transient delocalization in films of poly(3-hexylthiophene) nanofibers prepared by seeded growth”, Alexander J. Sneyd, Tomoya Fukui, David Palecek, Suryoday Prodhan, Isabella Wagner, Yifan Zhang, Jooyoung Sung, Zahra Andaji-Garmaroudi, Liam R. MacFarlane, J. Diego Garcia-Hernandez, Linjun Wang, George R. Whittell, Justin M. Hodgkiss, Kai Chen, David Beljonne, Ian Manners, Richard H. Friend, Akshay Rao, Science Advances, Vol. 7, no. 32, eabh4232, DOI: 10.1126/sciadv.abh4232, 2021, Full Text.

 

5.     “Mechanistic Insight to the Chemical Treatments of Monolayer Transition Metal Disulfides for Photoluminescence Enhancement”, Zhaojun Li, Hope Bretscher, Yunwei Zhang, Geraud Delport, James Xiao, Alpha Lee, Samuel D. Stranks, Akshay Rao, Nature Communications, 12, Article number: 6044, 2021, Full Text.

 

6.     “Ultrafast melting and recovery of collective order in the excitonic insulator Ta2NiSe5”, Hope M. Bretscher, Paolo Andrich, Prachi Telang, Anupam Singh, Luminita Harnaga, Ajay K. Sood, Akshay Rao, Nature Communications, 12, Article number: 1699, 2021, Full Text.

 

7.     “Imaging the coherent propagation of collective modes in the excitonic insulator candidate Ta2NiSe5 at room temperature”, Hope M. Bretscher, Paolo Andrich, Yuta Murakami, Denis Golež, Benjamin Remez, Prachi Telang, Anupam Singh, Luminita Harnagea, Nigel R. Cooper, Andrew J. Millis, Philipp Werner, A. K. Sood, Akshay Rao, Science Advances, 2021, DOI: 10.1126/sciadv.abd6147, Full Text.

 

8.     “Nanoscale Chemical Heterogeneity Dominates the Optoelectronic Response over Local Electronic Disorder and Strain in Alloyed Perovskite Solar Cells”, Kyle Frohna, Miguel Anaya, Stuart Macpherson, Jooyoung Sung, Tiarnan A. S. Doherty, Yu-Hsien Chiang, Andrew J. Winchester, Keshav M. Dani, Akshay Rao, Samuel D. Stranks, Nature Nanotechnology, In Press, Preprint: arxiv:2106.04942

 

9.     “Photon upconversion through triplet exciton-mediated energy relays”, Sanyang Han, Hui Xu, Zhigao Yi, Jiangbin Zhang, Qifei Gu, Liangliang Liang, Xian Qin, Jiahui Xu, Yiming Wu, Artem Bakulin, Akshay Rao and Xiaogang Liu, Nature Communications, 12, Article number: 3704, (2021), Full Text.

 

10.  “Non-Equilibrium Carrier Transport in Strongly Coupled Quantum Dot Solids and Heterostructures”, Mengxia Liu, Sachin Dev Verma, Zhilong Zhang, Jooyoung Sung, Akshay Rao, Nano Letters, 202, DOI: 10.1021/acs.nanolett.1c01892, Full Text

 

11.  “Organic-quantum dot hybrid interfaces and their role in photon fission/fusion application”, Victor Gray, Jesse R. Allardice, Zhilong Zhang and Akshay Rao, Chemical Physics Reviews, 2, 031305, 2021, DOI:10.1063/5.0050464, Full Text.

 

12.  “Rational Passivation of Sulfur Vacancy Defects in Two-Dimensional Transition Metal Dichalcogenides”, Hope M. Bretscher, Zhaojun Li, James Xiao, Diana Y. Qiu, Sivan Refaely-Abramson, Jack Alexander-Webber, Arelo O.A. Tanoh, Ye Fan, Géraud Delport, Cyan Williams, Samuel D. Stranks, Stephan Hofmann, Jeffrey B. Neaton, Steven G. Louie, Akshay Rao, ACS Nano,15, 5, 8780–8789, 2021, Full Text. 

 

13.  “Giant Photoluminescence Enhancement in MoSe2 monolayers treated with Oleic Acid Ligands”, Arelo O.A Tanoh, James Xiao, Jack Alexander-Webber, Raj Pandya, Zhaojun Li, Akshay Rao, Nanoscale Advances, 2021, Full Text.

 

14.  “Exciton Diffusion in Highly-Ordered One Dimensional Conjugated Polymers: Effects of Back-Bone Torsion, Electronic Symmetry, Phonons and Annihilation”, Raj Pandya, Antonios M. Alvertis, Qifei Gu, Jooyoung Sung, Laurent Legrand, David Kréher, Thierry Barisien, Alex W. Chin, Christoph Schnedermann, Akshay Rao, Journal of Physical Chemistry Letters, 12, 3669–3678, 2021, DOI: 10.1021/acs.jpclett.1c00193, Full Text.

 

15.  “Efficient Energy Funneling in Spatially Tailored Segmented Conjugated Block Copolymer Nanofiber-Quantum Dot or Rod Conjugates”, Yifan Zhang, Huda Shaikh, Alexander J. Sneyd, Jia Tian, James Xiao, Arthur Blackburn, Akshay Rao, Richard H. Friend and Ian Manners, Journal of the American Chemical Society, 2021, DOI: 10.1021/jacs.1c01571, Full Text.

 

16.  “Untargeted Effects in Organic Exciton-Polariton Transient Spectroscopy: A Cautionary Tale”, Scott Renken, Raj Pandya, Kyriacos Georgiou, Rahul Jayaprakash, Lizhi Gai, Zhen Shen, David G. Lidzey, Akshay Rao, Andrew J Musser, J. Chem. Phys. 155, 154701, 2021; DOI: 10.1063/5.0063173, Full Text.

 

17.  “Competition between triplet pair formation and excimer-like recombination controls singlet fission yield”, A.Buyanova, Chanakarn Phansa, Maria E.Sandoval-Salinas, David Casanova, William K.Myers, Neil C.Greenham, AkshayRao, Weimin M.Chen, Yuttapoom Puttisong, Cell Reports Physical Science, Volume 2, Issue 2, 100339, 2021, DOI: 10.1016/j.xcrp.2021.100339, Full Text.

 

18.  “Pentacene-Bridge Interactions in an Axially Chiral Binaphthyl Pentacene Dimer”, Ashish Sharma, Stavros Athanasopoulos, Elango Kumarasamy, Chanakarn Phansa, Amir Asadpoordarvish, Randy P. Sabatini, Raj Pandya, Kaia R. Parenti, Samuel N. Sanders, Dane R. McCamey, Luis M. Campos, Akshay Rao, Murad J. Y. Tayebjee, Girish Lakhwani, Phys. Chem. A ,125, 33, 7226, 2021, https://doi.org/10.1021/acs.jpca.1c05254, Full Text.

 

19.  “Suppressing aggregation induced quenching in anthracene based conjugated polymers”, Daniel G. Congrave, Bluebell H. Drummond, Victor Gray, Andrew D. Bond, Akshay Rao, Richard H. Friend and Hugo Bronstein, Polymer Chemistry, 12, 1830-1836, 2021, DOI: 10.1039/D1PY00118C, Full Text.

 

 

2020

 

20.  “Lanthanide-doped inorganic nanoparticles turn molecular triplet excitons bright”, Sanyang Han, Renren Deng, Qifei Gu, Limeng Ni, Uyen Huynh, Jiangbin Zhang, Zhigao Yi, Baodan Zhao, Hiroyuki Tamura, Anton Pershin, Hui Xu, Zhiyuan Huang, Shahab Ahmad , Mojtaba, Abdi-Jalebi, Aditya Sadhanala, Ming Lee Tang, Artem Bakulin, David Beljonne, Xiaogang Liu, Akshay Rao, Nature, 587, 594–599, 2020, DOI: 10.1038/s41586-020-2932-2, Full Text.

 

21.  “Long-lived and disorder-free charge transfer states enable endothermic charge separation in efficient non-fullerene organic solar cells”, Ture F. Hinrichsen, Christopher C.S. Chan, David Paleček, Alexander Gillett, Shangshang Chen, Xinhui Zou, Chao Ma, Guichuan Zhang, Hin-Lap Yip, Kam Sing Wong, Richard H. Friend, He Yan, Akshay Rao, Philip C.Y. Chow, Nature Communications, Article number: 5617, 2020, Full Text.

 

22.  “Optical projection and spatial separation of spin entangled triplet-pairs from the S1(21Ag) state of pi-conjugated systems”, Raj Pandya, Qifei Gu, Alexandre Cheminal, Richard Y. S. Chen, Edward P. Booker, Richard Soucek, Michel Schott, Laurent Legrand, Fabrice Mathevet, Neil C. Greenham, Thierry Barisien, Andrew J. Musser, Alex W. Chin, Akshay Rao, CHEM, 2020, DOI:10.1016/j.chempr.2020.09.011, Full Text.

 

23.  “Direct vs Delayed Triplet Energy Transfer from Organic Semiconductors to Quantum Dots and Implications for Luminescent Harvesting of Triplet Excitons”, Victor Gray, Jesse R. Allardice, Zhilong Zhang, Simon Dowland, James Xiao, Anthony J. Petty II, John E. Anthony, Neil C. Greenham, Akshay Rao, ACS Nano, 2020, DOI: 10.1021/acsnano.9b09339, Full Text.

 

24.  “Directed Energy Transfer from Monolayer WS2 to Near-Infrared Emitting PbS–CdS Quantum Dots”, Arelo O. A. Tanoh, Nicolas Gauriot, Géraud Delport, James Xiao, Raj Pandya, Jooyoung Sung, Jesse Allardice, Zhaojun Li, Cyan A. Williams, Alan Baldwin, Samuel D. Stranks, and Akshay Rao, ACS Nano, 2020, DOI: 10.1021/acsnano.0c05818, Full Text.

 

25.  “Optical and electronic properties of colloidal CdSe Quantum Rings”, James Xiao, Yun Liu, Violette Steinmetz, Mustafa Çağlar, Jeffrey Mc Hugh, Tomi Baikie, Nicolas Gauriot, Malgorzata Nguyen, Edoardo Ruggeri, Zahra Andaji-Garmaroudi, Samuel D. Stranks, Laurent Legrand, Thierry Barisien, Richard H. Friend, Neil C. Greenham, Akshay Rao, Raj Pandya, ACS Nano, 2020, DOI: 10.1021/acsnano.0c01752, Full Text.

 

26.  “The impact of exciton delocalization on exciton-vibration interactions in organic semiconductors”, Antonios M Alvertis, Raj Pandya, Loreta A Muscarella, Nipun Sawhney, Malgorzata Nguyen, Bruno Ehrler, Akshay Rao, Richard H Friend, Alex W Chin, Bartomeu Monserrat, Physical Review B, 102, 081122(R), 2020, DOI: 10.1103/PhysRevB.102.081122, Full Text.

 

27.  “Enhanced Ballistic Transport of Charge Carriers in Alloyed and K-Passivated Alloyed Perovskite Thin Films”, Jooyoung Sung, Stuart  Macpherson, Akshay Rao, Journal of Physical Chemistry Letters, 11, 14, 5402–5406, 2020, DOI: 10.1021/acs.jpclett.0c01548, Full Text.

 

28.  “Thiol-Anchored TIPS-Tetracene Ligands with Quantitative Triplet Energy Transfer to PbS Quantum Dots and Improved Thermal Stability”, Victor Gray, Zhilong Zhang, Simon Dowland, Jesse R. Allardice, Antonios M. Alvertis, James Xiao, Neil C. Greenham, John E. Anthony,  Akshay Rao, Journal of Physical Chemistry Letters, 11, 17, 7239–7244, 2020, DOI: 10.1021/acs.jpclett.0c02031, Full Text.

 

29.  Controlling the structures of organic semiconductor–quantum dot nanocomposites through ligand shell chemistry”, Daniel T. W. Toolan, Michael P. Weir, Rachel C. Kilbride, Jon R. Willmott, Stephen M. King, James Xiao, Neil C. Greenham, Richard H. Friend, Akshay Rao, Richard A. L., Anthony J. Ryan, Soft Matter, 16, 7970-798, 2020, DOI: 10.1039/D0SM01109F, Full Text.

 

30.  “Femtosecond Transient Absorption Microscopy of Singlet Exciton Motion in Side-Chain Engineered Perylene-Diimide Thin Films”, Raj Pandya, Richard Y. S. Chen, Qifei Gu, Jeffrey Gorman, Florian Auras, Jooyoung Sung, Richard Friend, Philipp Kukura, Christoph Schnedermann, Akshay Rao, J. Phys. Chem. A, 124, 13, 2721-2730, 2020, DOI: 10.1021/acs.jpca.0c00346, Full Text.

 

31.  “First principles modeling of exciton-polaritons in polydiacetylene chains”, Antonios M. Alvertis, Raj Pandya, Claudio Quarti, Laurent Legrand, Thierry Barisien,  Bartomeu Monserrat,  Andrew J. Musser,  Akshay Rao,  Alex W. Chin, David Beljonne, J. Chem. Phys. 153, 084103, 2020, DOI: 10.1063/5.0019009, Full Text.

 

32.  “Emission State Structure and Linewidth Broadening Mechanisms in Type-II CdSe/CdTe Core-Crown Nanoplatelets: A Combined Theoretical-Single Nanocrystal Optical Study”, Violette Steinmetz, Juan I. Climente, Raj Pandya, Josep Planelles, Florent Margaillan, Yuttapoom Puttisong, Marion Dufour, Sandrine Ithurria, Ashish Sharma, Girish Lakhwani, Laurent Legrand, Frederick Bernardot, Christophe Testelin, Maria Chamarro, Alex W. Chin, Akshay Rao, Thierry Barisien, J. Chem. Phys., 124, 31, 17352–17363, 2020, DOI: 10.1021/acs.jpcc.0c04547, Full Text.

 

33.  “Excitation dynamics in layered lead halide perovskite crystal slabs and microcavities”, Kentaro Fujiwara, Shuai Zhang, Shun Takahashi, Limeng Ni, Akshay Rao and Kenichi Yamashita, ACS Photonics, 2020, DOI: 10.1021/acsphotonics.0c00038, Full Text.

 

 

2019

34.  “Long-Range Wavelike Propagation of Carriers in Methylammonium Lead Iodide Perovskites Thin Films”, Jooyoung Sung, Christoph Schnedermann, Limeng Ni, Aditya Sadhanala, Richard Y.S. Chen, Changsoon Cho, Lee Priest, Jong Min Lim, Hyun-Kyung Kim, Bartomeu Monserrat, Philipp Kukura and Akshay Rao, Nature Physics, 16, 171–176, (2020), DOI: https://doi.org/10.1038/s41567-019-0730-2, Full Text.

 

35.  “All-optical detection of neuronal membrane depolarization in live cells using colloidal quantum dots”, Mustafa Caglar, Raj Pandya, James Xiao, Sarah K Foster, Giorgio Divitini, Richard YS Chen, Neil C Greenham, Kristian Franze, Akshay Rao and Ulrich F Keyser, Nano Letters, (2019). DOI: 10.1021/acs.nanolett.9b03026, Full Text.

 

36.  “Ultrafast Tracking of Exciton and Charge Carrier Transport in Optoelectronic Materials on the Nanometer Scale”, Christoph Schnedermann, Jooyoung Sung, Raj Pandya, Sachin Dev Verma, Richard YS Chen, Nicolas Gauriot, Hope Bretscher, Philipp Kukura and Akshay Rao, Journal of Physical Chemistry Letters, 6727-6733, (2019). DOI: 10.1021/acs.jpclett.9b02437, Full Text.

 

37.  “Engineering Molecular Ligand Shells on Quantum Dots for Quantitative Harvesting of Triplet Excitons Generated by Singlet Fission”,  Jesse R. Allardice, Arya Thampi, Simon Dowland, James Xiao, Victor Gray, Zhilong Zhang, Peter Budden, Anthony J. Petty II, Nathaniel J. L. K. Davis, Neil C. Greenham, John E. Anthony and Akshay Rao, Journal of the American Chemical Society, 141, 32, 12907-12915, (2019). DOI: 10.1021/jacs.9b06584, Full Text.

 

38.  “Enhancing Photoluminescence and Mobilities in WS2 Monolayers with Oleic Acid Ligands”, Arelo O. A Tanoh, Jack Alexander-Webber, James Xiao, Géraud Delport, Cyan A. Williams, Hope Bretscher, Nicolas Gauriot, Jesse Allardice, Raj Pandya, Ye Fan, Zhaojun Li, Silvia Vignolini, Samuel D. Stranks, Stephan Hofmann and Akshay Rao, Nano Letters, 19,9, 6299-6307, (2019). DOI: 10.1021/acs.nanolett.9b02431, Full Text.

 

39.  “Excited-State Dynamics in Fully Conjugated 2D Covalent Organic Frameworks”, Andreas C. Jakowetz, Ture F. Hinrichsen, Laura Ascherl, Torben Sick, Mona Calik, Florian Auras, Dana D. Medina, Richard H. Friend, Akshay Rao and Thomas Bein, Journal of the American Chemical Society, 141, 29, 11565-11571, (2019). DOI: 10.1021/jacs.9b03956584, Full Text.

 

40.  “A Molecular Movie of Ultrafast Singlet Fission”, Christoph Schnedermann, Antonios M. Alvertis, Torsten Wende, Steven Lukman, Jiaqi Feng, Florian A. Y. N. Schroder, David H. P. Turban, Jishan Wu, Nicholas D. M. Hine, Neil C. Greenham, Alex W. Chin, Akshay Rao, Philipp Kukura & Andrew J. Musser, Nature Communications, Volume 10, Article number: 4207 (2019). DOI: 10.1038/s41467-019-12220-7, Full Text.

 

41.  “Fine Structure and Spin Dynamics of Linearly Polarized Indirect Excitons in Two-Dimensional CdSe/CdTe Colloidal Heterostructures”, Raj Pandya, Violette Steinmetz, Yuttapoom Puttisong, Marion Dufour, Weimin M. Chenm Richard Y. S. Chenm Thierry Barisien, Ashish Sharma, Girish Lakhwani, Anatolie Mitioglu, Peter C. M. Christianen, Laurent Legrand, Frédérick Bernardot, Christophe Testelin, Alex W. Chin, Sandrine Ithurria, Maria Chamarro and Akshay Rao, ACS Nano, 13,9, 10140-10153, (2019). DOI: 10.1021/acsnano.9b03252, Full Text.

 

42.  “Slow Carrier Cooling in Hybrid Pb–Sn Halide Perovskites”, Sachin Dev Verma, Qifei Gu, Aditya Sadhanala, Vijay Venugopalan and Akshay Rao, ACS Energy Letters, 4 (3), 736–740, (2019). DOI: 10.1021/acsenergylett.9b00251, Full Text.

 

43.  “Ligand Shell Structure in Lead Sulfide–Oleic Acid Colloidal Quantum Dots Revealed by Small-Angle Scattering”, Michael P. Weir, Daniel T. W. Toolan, Rachel C. Kilbride, Nicholas J. W. Penfold, Adam L. Washington, Stephen M. King, James Xiao, Zhilong Zhang, Victor Gray,  Simon Dowland, Jurjen Winkel, Neil C. Greenham, Richard H. Friend, Akshay Rao, Anthony J. Ryan, Richard A. L. Jones, Journal of Physical Chemistry Letters, 10, 16, 4713-4719, (2019), DOI: 10.1021/acs.jpclett.9b01008, Full Text.

 

44.  “Photon Upconversion from Near-Infrared to Blue Light with TIPS-Anthracene as an Efficient Triplet–Triplet Annihilator”, Naoyuki Nishimura, Victor Gray, Jesse R. Allardice, Zhilong Zhang, Anton Pershin, David Beljonne, Akshay Rao, ACS Materials Letters, 1, 6, 660-664, (2019), DOI: 10.1021/acsmaterialslett.9b00287, Full Text.

 

45.  “Photon upconversion utilizing energy beyond the band gap of crystalline silicon with a hybrid TES-ADT/ PbS quantum dots system”, Naoyuki Nishimura , Jesse R Allardice , James Xiao, Qifei Gu, Victor Gray and Akshay Rao, Chemical Science, (2019). DOI: 10.1039/C9SC00821G1, Full Text.

 

46.  “Chain Coupling and Luminescence in High-Mobility, Low-Disorder Conjugated Polymers”, Tudor H. Thomas, Jasmine P. H. Rivett, Qifei Gu, David J. Harkin, Johannes M. Richter, Aditya Sadhanala, Chaw Keong Yong, Sam Schott, Katharina Broch, John Armitage, Alexander J. Gillett, S. Matthew Menke, Akshay Rao, Dan Credgington, Henning Sirringhaus, ACS Nano, 13, 12, 13716-13727, (2019), DOI: 10.1021/acsnano.9b07147, Full Text.

 

47.  “Exploiting Excited-State Aromaticity To Design Highly Stable Singlet Fission Materials”, Kealan J. Fallon, Peter Budden, Enrico Salvadori, Alex M. Ganose, Christopher N. Savory, Lissa Eyre, Simon Dowland, Qianxiang Ai, Stephen Goodlett, Chad Risko, David O. Scanlon, Christopher W. M. Kay, Akshay Rao, Richard H. Friend, Andrew J. Musser and Hugo Bronstein, Journal of the American Chemical Society,  (2019). DOI: 10.1021/jacs.9b06346, Full Text.

 

48.  “Improving the photoluminescence quantum yields of quantum dot films through a donor/acceptor system for near-IR LEDs”, Nathaniel. J. L. K. Davis, Jesse R. Allardice, James Xiao, Arfa Karani, Tom C. Jellicoe, Akshay Rao and Neil C. Greenham, Materials Horizons, 6, 137-143, (2019). DOI: 10.1039/C8MH01122B,  Full Text.

 

49.  “Excimer Formation in Carboxylic Acid-Functionalized Perylene Diimides Attached to Silicon Dioxide Nanoparticles”, Jeffrey Gorman, Raj Pandya, Jesse R. Allardice, Michael B. Price, Timothy W. Schmidt, Richard H. Friend, Akshay Rao and Nathaniel J. L. K. Davis, J. Phys. Chem. C, 123 (6), 3433–3440,(2019). DOI: 10.1021/acs.jpcc.8b12061, Full Text.

 

50.  “Scan Strategies for Electron Energy Loss Spectroscopy at Optical and Vibrational Energies in Perylene Diimide Nanobelts”, Sean M. Collins, Demie M. Kepaptsoglou, Duncan N. Johnstone, Tom Willhammar, Raj Pandya, Jeffrey Gorman, Richard Friend, Akshay Rao, Paul A. Midgley and Quentin Ramasse, Microscopy and Microanalysis, 25, S2, (2019). DOI: 10.1017/S1431927619009425, Full Text.

 

51.  “Magnetic Field Modulation of Recombination Processes in Organic Photovoltaics”, Edward P. Booker, Sam L. Bayliss, Alex Jen, Akshay Rao and Neil C. Greenham, IEEE Journal of Photovoltaics, 9, 2,(2019), DOI: 10.1109/JPHOTOV.2018.2889574, Full Text.

 

 

2018

 

52.  “Long-range exciton transport in conjugated polymer nanofibers prepared by seeded growth”, Xu-Hui Jin, Michael B. Price, John R. Finnegan, Charlotte E. Boott, Johannes M. Richter, Akshay Rao, S. Matthew Menke, Richard H. Friend, George R. Whittell, Ian Manners, Science, Vol. 360, Issue 6391, pp. 897-900, DOI: 10.1126/science.aar8104, Full Text.

 

53.  “Exciton–Phonon Interactions Govern Charge-Transfer-State Dynamics in CdSe/CdTe Two-Dimensional Colloidal Heterostructures”, Raj Pandya, Richard Y. S. Chen, Alexandre Cheminal, Marion Dufour, Johannes M. Richter, Tudor H. Thomas, Shahab Ahmed, Aditya Sadhanala, Edward P. Booker, Giorgio Divitini, Felix Deschler, Neil C. Greenham, Sandrine Ithurria, Akshay Rao, Journal of the American Chemical Society, 140, 43, 14097–14111, (2018), DOI: 10.1021/jacs.8b05842, Full Text

 

54.  “Site-selective measurement of coupled spin pairs in an organic semiconductor”, Sam L Bayliss, Leah R Weiss, Anatol Mitioglu, Krzysztof Galkowski, Zhuo Yang, Kamila Yunusova, Alessandro Surrente, Karl J Thorley, Jan Behrends, Robert Bittl, John E Anthony, Akshay Rao, Richard H Friend, Paulina Plochocka, PCM Christianen, Neil C Greenham, Alexei D Chepelianskii, Proceedings of the National Academy of Sciences, 201718868, DOI: 10.1073/pnas.1718868115, (2018), Full Text.

 

55.  “Order Enables Efficient Electron-hole Separation at an Organic Heterojunction with a Small Energy Loss”, S. Matthew Menke, Alexandre Cheminal, Patrick Conaghan, Niva A. Ran, Neil C. Greehnam, Guillermo C. Bazan, Thuc-Quyen Nguyen, Akshay Rao, Richard H. Friend, Nature Communications, 9, Article number: 277, DOI:10.1038/s41467-017-02457-5, (2018), Full Text.

 

56.  “Singlet Fission and Triplet Transfer to PbS Quantum Dots in TIPS-Tetracene Carboxylic Acid Ligands”, Nathaniel J. L. K. Davis, Jesse R. Allardice, James Xiao, Anthony J. Petty, Neil C. Greenham, John E. Anthony, and Akshay Rao, The Journal of Physical Chemistry Letters9, pp 1454–1460, DOI: 10.1021/acs.jpclett.8b00099, (2018), Full Text.

 

57.  “Ultrafast Dynamics of Polariton Cooling and Renormalization in an Organic Single Crystal Microcavity under Non-Resonant Pumping”, Kenichi Yamashita, Uyen Huynh, Johannes M Richter, Lissa Eyre, Felix Deschler, Akshay Rao, Kaname Goto, Takumi Nishimura, Takeshi Yamao, Shu Hotta, Hisao Yanagi, Masaaki Nakayama, Richard H Friend, ACS Photonics, DOI: 10.1021/acsphotonics.8b00041, (2018), Full Text.

 

58.  “All-optical augmentation of solar cells using a combination of up- and downconversion”, Murad J. Y. Tayebjee; Akshay Rao; Timothy W. Schmidt, J. of Photonics for Energy, 8(2), 022007, DOI:10.1117/1.JPE.8.022007, (2018), Full Text.

 

59.  “Hybridizing semiconductor nanocrystals with metal-organic frameworks for visible and near-infrared photon upconversion”, Shogo Amemori, Rakesh Kumar Gupta, Marcus Leo Böhm, James Xiao, Uyen Huynh, Tomoki Oyama, Kenji Kaneko, Akshay Rao, Nobuhiro Yanai, Nobuo Kimizuka, Dalton Transactions, DOI: 10.1039/C7DT04794K, (2018), Full Text.

 

 

2017

 

60.  “Elucidation of Excitation Energy Dependent Correlated Triplet Pair Formation Pathways in an Endothermic Singlet Fission System”, Arya Thampi, Hannah L. Stern, Alexandre Cheminal, Murad J. Y. Tayebjee, Anthony J. Petty II, John E. Anthony and Akshay Rao, Journal of the American Chemical Society, (2017), DOI: 10.1021/jacs.7b06274, Full Text

 

61.  “Ultrafast Triplet Pair Formation and Subsequent Thermally Activated Dissociation Control Efficient Endothermic Singlet Exciton Fission”, Hannah L Stern, Alexandre Cheminal, Shane R Yost, Katharina Broch, Sam L Bayliss, Kai Chen, Maxim Tabachnyk, Karl Thorley, Neil Greenham, Justin Hodgkiss, John Anthony, Martin Head-Gordon, Andrew J Musser, Akshay Rao, Richard H Friend, Nature Chemistry, (2017), doi:10.1038/nchem.2856, Full Text, Open Access.

 

62.   “Visualising Excitations at Buried Heterojunctions in Organic Semiconductor Blends”, Andreas C. Jakowetz, Marcus L. Böhm, Aditya Sadhanala, Sven Huettner, Akshay Rao and Richard H. Friend, Nature Materials, 16, 551–557, (2017), Full Text.

 

63.  “Harnessing singlet exciton fission to break the Shockley–Queisser limit”, Akshay Rao & Richard H Friend,  Nature Reviews Materials, 2,  Article number: 17063, doi:10.1038/natrevmats.2017.63, (2017), Full text here

 

64.  “Real-Time Observation of Exciton-Phonon Coupling Dynamics in Self-Assembled Hybrid Perovskite Quantum Wells”, Limeng Ni, Uyen Huynh, Alexandre Cheminal, Tudor H. Thomas, Ravichandran Shivanna, Ture F. Hinrichsen, Shahab Ahmad, Aditya Sadhanala and Akshay Rao, ACS NANO, (2017), 10.1021/acsnano.7b03984, Full Text here

 

65.  “Ultrafast Long-Range Charge Separation in Nonfullerene Organic Solar Cells”, Yasunari Tamai, Yeli Fan, Vincent O. Kim, Kostiantyn Ziabrev, Akshay Rao, Stephen Barlow, Seth R. Marder, Richard H. Friend and S. Matthew Menke, ACS NANO, (2017), 10.1021/acsnano.7b06575, Full Text here

 

66.  “On the energetics of bound charge-transfer states in organic photovoltaics”, Jiangbin Zhang, Andreas Jakowetz, Guangru Li, Dawei Di, Stephen Matthew Matthew Menke, Akshay Rao, Richard Friend, Artem A Bakulin, J. Mater. Chem. A, 5, 11949-11959, (2017), Full Text

 

 

2016

 

67.  “Real-Time Observation of Multiexcitonic States and Ultrafast Singlet Fission Using Coherent 2D Electronic Spectroscopy”, Artem A. Bakulin, Sarah E. Morgan, Tom B. Kehoe, Mark W.B Wilson, Alex Chin, Donatas Zigmantas, Dassia Egorova, and Akshay Rao. Nature Chemistry, 8, 16–23 (2016). Full Text.

 

68.  “Observation of Strongly Exchange-Coupled Triplet Pairs in an Organic Semiconductor”, Leah R. Weiss, Sam L. Bayliss, Felix Kraffert, Karl J. Thorley, John E. Anthony, Robert Bittl, Richard Friend, Akshay Rao, Neil C. Greenham, and Jan Behrends. Nature Physics, (2016).  Full Text.

 

69.  “What Controls the Rate of Ultrafast Charge Transfer and Charge Separation Efficiency in Organic Photovoltaic Blends”, Andreas C Jakowetz, Marcus L Böhm, Jiangbin Zhang, Aditya Sadhanala, Sven Huettner, Artem A Bakulin, Akshay Rao, and Richard H Friend. Journal of the American Chemical Society, (2016).  Full Text.

 

70.  “Synthesis and Optical Properties of Lead-Free Cesium Tin Halide Perovskite Nanocrystals”, Tom C Jellicoe, Johannes M Richter, Hugh FJ Glass, Maxim Tabachnyk, Ryan Brady, Siân E Dutton, Akshay Rao, Richard H Friend, Dan Credgington, Neil C Greenham, and Marcus L Böhm. Journal of the American Chemical Society, 138, 9, (2016). Full Text.

 

71.  “Sub-10 Femtosecond Time-Resolved Vibronic Microscopy”, Christoph Schnedermann, Jong Min Lim, Torsten Wende, Alex Soares Duarte, Limeng Ni, Qifei Gu, Aditya Sadhanala, Akshay Rao, and Philipp Kukura, The Journal of Physical Chemistry Letters, DOI: 10.1021/acs.jpclett.6b02387, (2016), Full Text.

 

72.  “Spin signatures of exchange-coupled triplet pairs formed by singlet fission”, Sam L Bayliss, Leah R Weiss, Akshay Rao, Richard H Friend, Alexei D Chepelianskii, and Neil C Greenham. Physical Review B, 94, 4, (2016). Full Text.

 

73.  “A Complete Quantitative Analysis of Spatio‐Temporal Dynamics of Excitons in Functional Organic Light‐Emitting Diodes”, Amrita Dey, Akshay Rao, Dinesh Kabra. Advanced Optical Materials, DOI: 10.1002/adom.201600678. Full Text.

 

74.  “Charge Generation and Electron-Trapping Dynamics in Hybrid Nanocrystal-Polymer Solar Cells”, Frederik S. F. Morgenstern, Marcus L. Böhm, René J. P. Kist, Aditya Sadhanala, Simon Gélinas, Akshay Rao, and Neil C. Greenham. J. Phys. Chem. C, DOI: 10.1021/acs.jpcc.6b07591. Full Text.

 

2015

 

75.  “Evidence for Conical Intersection Dynamics Mediating Ultrafast Singlet Exciton Fission”, Andrew J. Musser, Matz Liebel, Christoph Schnedermann, Torsten Wende, Tom B. Kehoe, Akshay Rao, and Philipp Kukura. Nature Physics, 11, 352–357 (2015) Full Text.

 

76.  “Electroluminescence from Organometallic Lead Halide Perovskite-Conjugated Polymer Diodes”, Aditya Sadhanala, Abhishek Kumar, Sandeep Pathak, Akshay Rao, Ullrich Steiner, Neil C. Greenham, Henry J. Snaith and Richard H. Friend. Advanced Electronic Materials, 1, 3, (2015). Full Text.

 

77.  “First Principles Calculations of Charge Transfer Excitations in Polymer–Fullerene Complexes: Influence of Excess Energy”, Dorota Niedzialek, Ivan Duchemin, Thiago Branquinho de Queiroz, Silvio Osella, Akshay Rao, Richard Friend, Xavier Blase, Stephan Kümmel, David Beljonne. Advanced Functional Materials, 25, 13, (2015). Full Text.

 

 

2014

 

78.  Resonant Energy Transfer of Triplet Excitons from Pentacene to PbSe Nanocrystals”, Maxim Tabachnyk, Bruno Ehrler, Simon Gélinas, Marcus L. Böhm, Brian J. Walker, Kevin P. Musselman, Neil C. Greenham, Richard H. Friend and Akshay Rao. Nature Materials 13, 1033, (2014).  Full Text

 

79.  “Ultrafast Long-Range Charge Separation in Organic Semiconductor Photovoltaic Diodes”, Simon Gélinas­, Akshay Rao, Abhishek Kumar, Samuel L. Smith, Alex W. Chin, Jenny Clark, Tom S. van der Poll, Guillermo C. Bazan, Richard H. Friend, Science, 343, 6170, 512-516, (2014). Full Text

 

80.  “Unequal Partnership: Asymmetric Roles of Polymeric Donor and Fullerene Acceptor in Generating Free Charge” Brett M. Savoie, Akshay Rao, Artem A. Bakulin, Simon Gelinas, Bijan Movaghar, Richard H. Friend, Tobin J. Marks, Mark A. Ratner. Journal of the American Chemical Society, 136 (7), 2876–2884, (2014). Full Text

 

81.  “A Transferable Model For Singlet Fission Kinetics”, Shane R. Yost, Jiye Lee, Mark W. B. Wilson, David P. McMahon, Rebecca R. Parkhurst, Nicholas J. Thompson, Akshay Rao, Kerr K. F. Johnson, Matthew Y. Sfeir, Timothy M. Swager, Richard H. Friend, Marc A. Baldo and Troy Van Voorhis. Nature Chemistry, 6, 492–497 (2014). Full Text

 

82.  “Ultrafast Charge and Energy Transfer Dynamics in Conjugated Polymer: Cadmium Selenide Nanoparticle Blends”, Frederik S.F. Morgenstern, Akshay Rao, Marcus L. Boehm, René J.P. Kist, Yana Vaynzof and Neil C. Greenham. ACS NANO, 8 (2), 1647–1654, (2014). Full Text

 

83.  Quantitative Bimolecular Recombination in Organic Photovoltaics through Triplet Exciton Formation”, Philip C.Y. Chow, Simon Gélinas, Akshay Rao, Richard H. Friend, Journal of the American Chemical Society, 136 (9), 3424–3429, (2014). Full Text

 

84.  “How Disorder Controls the Kinetics of Triplet Charge Recombination in Semiconducting Organic Polymer Photovoltaics”, Eric R. Bittner, Vladimir Lankevic, Simon Gélinas, Akshay Rao, David A. Ginger and Richard H. Friend, Phys. Chem. Chem. Phys., 16, 20321, (2014). Full Text

 

85.  “First Principles Calculations of Charge Transfer Excitations in Polymer–Fullerene Complexes: Influence of Excess Energy”, Dorota Niedzialek, Ivan Duchemin, Thiago Branquinho de Queiroz, Silvio Osella, Akshay Rao, Richard Friend, Xavier Blase, Stephan Kümmel, David Beljonne, Advanced Functional Materials, doi: 10.1002/adfm.201402682. Full Text

 

86.  “Trap-Induced Losses in Hybrid Photovoltaics”, Feng Gao, Zhe Li, Jianpu Wang, Akshay Rao, Ian A. Howard, Agnese Abrusci, Sylvain Massip, Christopher R. McNeill and Neil C. Greenham. ACS NANO, 8 (4), 3213-3221, (2014). Full Text

 

87.  “Bimolecular Recombination in Organic Photovoltaics”, Girish Lakhwani, Akshay Rao, Richard H Friend, Annual Review of Physical Chemistry, 65, (2014). Full Text

 

88.  “Interface limited charge extraction and recombination in organic photovoltaics”, Abhishek Kumar, Girish Lakhwani, Einat Elmalem, Wilhelm T. S. Huck, Akshay Rao, Neil C. Greenham and Richard H. Friend, Energy & Environmental Science, 7, 2227-2231, (2014). Full Text

 

 

2013

 

89.  “The Role of Spin in the Kinetic Control of Recombination in Organic Photovoltaics”, Akshay Rao, Philip C.Y. Chow, Simon Gélinas, Cody W. Schlenker, Chang-Zhi Li, Hin-Lap Yip, Alex K-Y. Jen, David S. Ginger, Richard H. Friend, Nature, 500 (7463), 435-439, (2013). Full Text

 

90.   “Temperature-Independent Singlet Exciton Fission in Tetracene”, Mark W. B. Wilson, Akshay Rao, Kerr Johnson, Simon Gélinas, Riccardo di Pietro, Jenny Clark, Richard H. Friend, Journal of the American Chemical Society, 135 (44), 16680–16688, (2013). Full Text

 

91.  “Singlet Exciton Fission in Polycrystalline Pentacene: From Photophysics toward Devices”, Mark W. B. Wilson, Akshay Rao, Bruno Ehrler, Richard H Friend, Accounts of Chemical Research, 46 (6), 1330–1338, (2013). Full Text

 

92.  “Triplet Dynamics in Pentacene Crystals: Applications to Fission-Sensitized Photovoltaics”, Andrey D. Poletayev, Jenny Clark, Mark W. B. Wilson, Akshay Rao, Yoshitaka Makino, Shu Hotta, Richard H. Friend, Advanced Materials, 26, 919–924, (2013). Full Text

 

 

2012

 

93.   “The Role of Driving Energy and Delocalised States for Charge Separation in Organic Semiconductors”, Artem A. Bakulin, Akshay Rao, Vlad G. Pavelyev, Dorota Niedzialek, Jérôme Cornil, David Beljonne, Paul H.M. van Loosdrecht, Maxim S. Pshenichnikov, Richard H. Friend, Science, 335, 6074, 1340-1344, (2012). Full Text

 

94.  “Charge-Transfer State Dynamics Following Hole and Electron Transfer in Organic Photovoltaic Devices” Artem A Bakulin, Stoichko D Dimitrov, Akshay Rao, Philip CY Chow, Christian B Nielsen, Bob Camille Schroeder, Iain McCulloch, Huib J Bakker, James R Durrant, Richard H Friend, The Journal of Physical Chemistry Letters, 4 (1), 209–215, (2012). Full Text

 

95.   “Singlet Exciton Fission-Sensitized Infrared Quantum Dot Solar Cells”, Bruno Ehrler, Mark W. B. Wilson, Akshay Rao, Richard H. Friend and Neil C. Greenham, Nano Letters, 12 (2), 1053–1057 (2012). Full Text

 

96.  “Exciton-charge annihilation in organic semiconductor films”, Justin M. Hodgkiss, Sebastian Albert-Seifried, Akshay Rao, Alex Barker, Andrew R. Campbell, R. Alex Marsh, and Richard H. Friend, Advanced Functional Materials, 22 (8), 1567–1577, (2012). Full Text

 

97.  “Excitons and charges at organic semiconductor heterojunctions”, Richard H Friend, Matthew Phillips, Akshay Rao, Mark W.B. Wilson, Zhe Li and Christopher R McNeill, Faraday Discussions, 155, 339-348, (2012). Full Text

 

 

2011

 

98.  “Photophysics of Pentacene Thin Films: The Role of Exciton Fission and Heating Effects”, Akshay Rao, Mark W. B. Wilson, Sebastian Albert-Seifried, Riccardo Di Pietro and Richard H. Friend, Physical Review B, 84, 195411, (2011). Full Text

 

99.  “Ultrafast Dynamics of Exciton Fission in Polycrystalline Pentacene”, Mark W.B. Wilson, Akshay Rao, J. Clark, R. S. S. Kumar, D. Brida, G. Cerullo, and R. H. Friend, Journal of the American Chemical Society, 133 (31), 11830–11833, (2011). Full Text

 

100.        Time-Evolution of Poly(3-Hexylthiophene) as an Energy Relay Dye in Dye-Sensitized Solar Cells”, Nicola Humphry‐Baker, Kristina Driscoll, Akshay Rao, Tomas Torres, Henry Snaith, Richard Friend, Nano Letters (2011). Full Text

 

101.        “Polymer Blend Solar Cells Based on a High-Mobility Naphthalenediimide-Based Polymer Acceptor: Device Physics, Photophysics and Morphology”, Jennifer R. Moore, Sebastian Albert-Seifried, Akshay Rao, Sylvain Massip, Benjamin Watts, David J. Morgan, Richard H. Friend, Christopher R. McNeill and Henning Sirringhaus, Advanced Energy Materials, 1, 230–240, (2011). Full Text

 

 

2010

 

102.        “Exciton Fission and Charge Generation via Triplet Excitons in Pentacene/C60 Bilayers”, Akshay Rao, Mark W.B. Wilson, Justin M. Hodgkiss, Sebastian Albert-Seifried, Heinz Bassler and Richard H. Friend. Journal of the American Chemical Society, 132 (36), 12698–12703, (2010). Full Text

 

103.        “Subnanosecond Geminate Charge Recombination in Polymer-Polymer Photovoltaic Devices”, Justin M. Hodgkiss, Andrew R. Campbell, R. Alex Marsh, Akshay Rao, Sebastian Albert-Seifried, and Richard H. Friend, Physical Review Letters, 104, 177701, (2010). Full Text

 

104.        “Polymeric spin-valves at room temperature”, Nicola A Morley, D Dhandapani, A Rao, H Al Qahtani, MRJ Gibbs, M Grell, D Eastwood and BK Tanner, Synthetic Metals, 161, 7–8, 558–562, (2010). Full Text

 

 

2009

 

105.        “Efficient ZnO Nanowire Solid-State Dye-Sensitized Solar Cells Using Organic Dyes and Core−shell Nanostructures”, Natalie O. V. Plank, Ian Howard, Akshay Rao et.al. J. Phys. Chem. C113 (43), 18515–18522, (2009). Full Text

 

106.        “Effect of polymer processing on spin magnetoresistance in organic structures”, D. Dhandapani, A. Rao, N. A. Morley, A. Das, M. Grell, and M. R. J. Gibbs. J. Appl. Phys. 105, 07C702, (2009). Full Text

 

 

2008

 

107.        “Comparison of Room Temperature Polymeric Spin-Valves With Different Organic Components”, D. Dhandapani, N. A. Morley, A. Rao, A. Das, M. Grell, and M. R. J. Gibbs. IEEE Transactions On Magnetics, Vol. 44, No. 11, (2008). Full Text

 

108.        “Room temperature organic spintronics”, N. A. Morley, A. Rao, D. Dhandapani, M. R. J. Gibbs, M. Grell, and T. Richardson. J. Appl. Phys. 103, 07F306 (2008). Full Text