1         “Room temperature optical control of spin states in organic diradicals”, R. Chowdhury, A. Inglis, L. E. Walker, P. Murto, C. Delpiano-Cordeiro, C. Morrison, N. A. Panjwani, Y. Fu, Y. Sun, W. Zhou, P. J. Skabara, A. Rao, A. Chepelianskii, H. Bronstein, S. L. Bayliss, and R. H. Friend, arXiv e-prints, arXiv:2510.09440 (2025) doi.org/10.48550/arXiv.2510.09440.

2         “Intrinsic intermolecular photoinduced charge separation in organic radical semiconductors”, B. W. Li, P. Murto, R. Chowdhury, L. Brown, Y. T. Han, G. Londi, D. Beljonne, H. Bronstein, and R. H. Friend, Nature Materials (2025) doi.org/10.1038/s41563-025-02362-z.

3         “Radical TADF: Quartet-Derived Luminescence with Dark TEMPO”, S. Gorgon, P. Murto, D. G. Congrave, L. Matasovic, A. D. Bond, V. Riesgo-Gonzalez, W. K. Myers, H. Bronstein, and R. H. Friend, Advanced Materials 37 (2025) doi.org/10.1002/adma.202501164.

4         “Circularly polarized electroluminescence from chiral supramolecular semiconductor thin films”, R. Chowdhury, M. D. Preuss, H. H. Cho, J. J. P. Thompson, S. Sen, T. K. Baikie, P. Ghosh, Y. Boeije, X. W. Chua, K. W. Chang, E. R. Guo, J. van der Tol, B. W. L. van den Bersselaar, A. Taddeucci, N. Daub, D. M. Dekker, S. T. Keene, G. Vantomme, B. Ehrler, S. C. J. Meskers, A. K. Rao, B. Monserrat, E. W. Meijer, and R. H. Friend, Science 387, 1175-1181 (2025) doi.org/10.1126/science.adt3011.

5         “Bright triplet and bright charge-separated singlet excitons in organic diradicals enable optical read-out and writing of spin states”, R. Chowdhury, P. Murto, N. A. Panjwani, Y. Sun, P. Ghosh, Y. Boeije, C. D. Cordeiro, V. Derkach, S. J. Woo, O. Millington, D. G. Congrave, Y. Fu, T. B. E. Mustafa, M. Monteverde, J. Cerdá, G. Londi, J. Behrends, A. K. Rao, D. Beljonne, A. Chepelianskii, H. Bronstein, and R. H. Friend, Nature Chemistry (2025) doi.org/10.1038/s41557-025-01875-z.

6         “Magnetically and optically active edges in phosphorene nanoribbons”, A. Ashoka, A. J. Clancy, N. A. Panjwani, A. Cronin, L. Picco, E. S. Y. Aw, N. J. M. Popiel, A. G. Eaton, T. G. Parton, R. R. C. Shutt, S. Feldmann, R. Carey, T. J. Macdonald, C. Liu, M. E. Severijnen, S. Kleuskens, L. A. Muscarella, F. R. Fischer, H. B. de Aguiar, R. H. Friend, J. Behrends, P. C. M. Christianen, C. A. Howard, and R. Pandya, Nature 639 (2025) doi.org/10.1038/s41586-024-08563-x.

7         “Long-Lived Triplets from Singlet Fission in Pentacene-Decorated Helical Supramolecular Polymers”, G. Lavarda, A. Sharma, M. Beslać, S. A. H. Jansen, S. C. J. Meskers, R. H. Friend, A. Rao, and E. W. Meijer, Journal of the American Chemical Society (2024) doi.org/10.1021/jacs.4c09844.

8         “Decoupling excitons from high-frequency vibrations in organic molecules”, P. Ghosh, A. M. Alvertis, R. Chowdhury, P. Murto, A. J. Gillett, S. Dong, A. J. Sneyd, H.-H. Cho, E. W. Evans, B. Monserrat, F. Li, C. Schnedermann, H. Bronstein, R. H. Friend, and A. Rao, Nature 629,355-362 (2024) doi.org/10.1038/s41586-024-07246-x.

9         “Near-infrared luminescent open-shell π-conjugated systems with a bright lowest-energy zwitterionic singlet excited state”, C. P. Yu, R. Chowdhury, Y. Fu, P. Ghosh, W. Zeng, T. B. E. Mustafa, J. Grüne, L. E. Walker, D. G. Congrave, X. W. Chua, P. Murto, A. Rao, H. Sirringhaus, F. Plasser, C. P. Grey, R. H. Friend, and H. Bronstein, Science Advances 10, eado3476 (2024) doi.org/doi:10.1126/sciadv.ado3476.

10       “Steric Control of Luminescence in Phenyl-Substituted Trityl Radicals”, P. Murto, B. W. Li, Y. Fu, L. E. Walker, L. Brown, A. D. Bond, W. X. Zeng, R. Chowdhury, H. H. Cho, C. P. Yu, C. P. Grey, R. H. Friend, and H. Bronstein, Journal of the American Chemical Society 146, 13133-13141 (2024) doi.org/10.1021/jacs.4c00292.

11       “Suppression of Dexter transfer by covalent encapsulation for efficient matrix-free narrowband deep blue hyperfluorescent OLEDs”, H. H. Cho, D. G. Congrave, A. J. Gillett, S. Montanaro, H. E. Francis, V. Riesgo-Gonzalez, J. Z. Ye, R. Chowdury, W. X. Zeng, M. K. Etherington, J. Royakkers, O. Millington, A. D. Bond, F. Plasser, J. M. Frost, C. P. Grey, A. K. Rao, R. H. Friend, N. C. Greenham, and H. Bronstein, Nature Materials 23 (2024) doi.org/10.1038/s41563-024-01812-4.

12       “Efficient near-infrared organic light-emitting diodes with emission from spin doublet excitons”, H. H. Cho, S. Gorgon, G. Londi, S. Giannini, C. S. Cho, P. Ghosh, C. Tonnele, D. Casanova, Y. Olivier, T. K. Baikie, F. Li, D. Beljonne, N. C. Greenham, R. H. Friend, and E. W. Evans, Nature Photonics 18 (2024) doi.org/10.1038/s41566-024-01458-3.

13       “Fast Transfer of Triplet to Doublet Excitons from Organometallic Host to Organic Radical Semiconductors”, Q. Y. Gu, S. Gorgon, A. S. Romanov, F. Li, R. H. Friend, and E. W. Evans, Advanced Materials 36 (2024) doi.org/10.1002/adma.202402790.

14       “Efficient and Bright Organic Radical Light-Emitting Diodes with Low Efficiency Roll-Off”, H. H. Cho, S. Gorgon, H. C. Hung, J. Y. Huang, Y. R. Wu, F. Li, N. C. Greenham, E. W. Evans, and R. H. Friend, Advanced Materials 35 (2023) doi.org/10.1002/adma.202303666.

15       “Fabrication of red-emitting perovskite LEDs by stabilizing their octahedral structure”, L. Kong, Y. Sun, B. Zhao, K. Ji, J. Feng, J. Dong, Y. Wang, Z. Liu, S. Maqbool, Y. Li, Y. Yang, L. Dai, W. Lee, C. Cho, S. D. Stranks, R. H. Friend, N. Wang, N. C. Greenham, and X. Yang, Nature (2024) doi.org/10.1038/s41586-024-07531-9.

16       “Charge transport in mixed metal halide perovskite semiconductors”, S. P. Senanayak, K. Dey, R. Shivanna, W. W. Li, D. Ghosh, Y. C. Zhang, B. Roose, S. J. Zelewski, Z. Andaji-Garmaroudi, W. Wood, N. Tiwale, J. L. MacManus-Driscoll, R. H. Friend, S. D. Stranks, and H. Sirringhaus, Nature Materials (2023) doi.org/10.1038/s41563-022-01448-2.

17       “Mesitylated trityl radicals, a platform for doublet emission: symmetry breaking, charge-transfer states and conjugated polymers”, P. Murto, R. Chowdhury, S. Gorgon, E. Guo, W. Zeng, B. Li, Y. Sun, H. Francis, R. H. Friend, and H. Bronstein, Nature Communications 14,4147 (2023) doi.org/10.1038/s41467-023-39834-2.

18       “Reversible spin-optical interface in luminescent organic radicals”, S. Gorgon, K. Lv, J. Grüne, B. H. Drummond, W. K. Myers, G. Londi, G. Ricci, D. Valverde, C. Tonnelé, P. Murto, A. S. Romanov, D. Casanova, V. Dyakonov, A. Sperlich, D. Beljonne, Y. Olivier, F. Li, R. H. Friend, and E. W. Evans, Nature 620, 538-544 (2023) doi.org/10.1038/s41586-023-06222-1.

19       “Photosynthesis re-wired on the pico-second timescale”, T. K. Baikie, L. T. Wey, J. M. Lawrence, H. Medipally, E. Reisner, M. M. Nowaczyk, R. H. Friend, C. J. Howe, C. Schnedermann, A. K. Rao, and J. Y. Z. Zhang, Nature (2023) doi.org/10.1038/s41586-023-05763-9.

20       “Engineering the spin-exchange interaction in organic semiconductors”, A. Rao, A. J. Gillett, and R. H. Friend, Nature Materials 21, 976-978 (2022) doi.org/10.1038/s41563-022-01347-6.

21       “Singlet and triplet to doublet energy transfer: improving organic light-emitting diodes with radicals”, F. Li, A. J. Gillett, Q. Y. Gu, J. S. Ding, Z. W. Chen, T. J. H. Hele, W. K. Myers, R. H. Friend, and E. W. Evans, Nature Communications 13 (2022) doi.org/10.1038/s41467-022-29759-7.

22       “Deoxyribonucleic Acid Encoded and Size-Defined pi-Stacking of Perylene Diimides”, J. Gorman, S. R. E. Orsborne, A. Sridhar, R. Pandya, P. Budden, A. Ohmann, N. A. Panjwani, Y. Liu, J. L. Greenfield, S. Dowland, V. Gray, S. T. J. Ryan, S. De Ornellas, A. H. El-Sagheer, T. Brown, J. R. Nitschke, J. Behrends, U. F. Keyser, A. Rao, R. Collepardo-Guevara, E. Stulz, R. H. Friend, and F. Auras, Journal of the American Chemical Society 144, 368-376 (2022) doi.org/10.1021/jacs.1c10241.

23       “Dielectric control of reverse intersystem crossing in thermally activated delayed fluorescence emitters”, A. J. Gillett, A. Pershin, R. Pandya, S. Feldmann, A. J. Sneyd, A. M. Alvertis, E. W. Evans, T. H. Thomas, L. S. Cui, B. H. Drummond, G. D. Scholes, Y. Olivier, A. Rao, R. H. Friend, and D. Beljonne, Nature Materials 21, 1150-+ (2022) doi.org/10.1038/s41563-022-01321-2.

24       “Controlling the Spin Exchange Energy through Charge Transfer for Triplet State Management in Organic Semiconductors”, A. J. Gillett, R. H. Friend, and D. Beljonne, Chemistry of Materials 34, 7095-7105 (2022) doi.org/10.1021/acs.chemmater.2c01301.

25       “Efficient energy transport in an organic semiconductor mediated by transient exciton delocalization”, A. J. Sneyd, T. Fukui, D. Palecek, S. Prodhan, I. Wagner, Y. F. Zhang, J. Sung, S. M. Collins, T. J. A. Slater, Z. Andaji-Garmaroudi, L. R. MacFarlane, J. D. Garcia-Hernandez, L. J. Wang, G. R. Whittell, J. M. Hodgkiss, K. Chen, D. Beljonne, I. Manners, R. H. Friend, and A. Rao, Science Advances 7 (2021) doi.org/10.1126/sciadv.abh4232.

26       “Ligand-engineered bandgap stability in mixed-halide perovskite LEDs”, Y. Hassan, J. H. Park, M. L. Crawford, A. Sadhanala, J. Lee, J. C. Sadighian, E. Mosconi, R. Shivanna, E. Radicchi, M. Jeong, C. Yang, H. Choi, S. H. Park, M. H. Song, F. De Angelis, C. Y. Wong, R. H. Friend, B. R. Lee, and H. J. Snaith, Nature 591, 72-+ (2021) doi.org/10.1038/s41586-021-03217-8.

27       “Spontaneous exciton dissociation enables spin state interconversion in delayed fluorescence organic semiconductors”, A. J. Gillett, C. Tonnele, G. Londi, G. Ricci, M. Catherin, D. M. L. Unson, D. Casanova, F. Castet, Y. Olivier, W. M. Chen, E. Zaborova, E. W. Evans, B. H. Drummond, P. J. Conaghan, L. S. Cui, N. C. Greenham, Y. Puttisong, F. Fages, D. Beljonne, and R. H. Friend, Nature Communications 12 (2021) doi.org/10.1038/s41467-021-26689-8.

28       “The role of charge recombination to triplet excitons in organic solar cells”, A. J. Gillett, A. Privitera, R. Dilmurat, A. Karki, D. P. Qian, A. Pershin, G. Londi, W. K. Myers, J. Lee, J. Yuan, S. J. Ko, M. K. Riede, F. Gao, G. C. Bazan, A. Rao, T. Q. Nguyen, D. Beljonne, and R. H. Friend, Nature 597, 666-+ (2021) doi.org/10.1038/s41586-021-03840-5.