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Key Publications

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  1. C. C. S. Chan, C. Ma, X. Zou, Z. Xing, G. Zhang, H. Yip, R. A. Taylor, Y. He, K. S. Wong*, P. C. Y. Chow*, Quantification of Temperature‐Dependent Charge Separation and Recombination Dynamics in Non‐Fullerene Organic Photovoltaics. Adv. Funct. Mater. 2107157 (2021).

  2. P. C. Y. Chow*, C. C. S. Chan, C. Ma, X. Zou, H. Yan, K. S. Wong, Factors That Prevent Spin-Triplet Recombination in Non-fullerene Organic Photovoltaics. J. Phys. Chem. Lett., 5045–5051 (2021).

  3. X. Zou, C. Ma, C. C. S. Chan, J. Zhang, Y. Li, A. Shang, Z. Wang, L. Arunagiri, Z. Qi, H. Ade, H. Yan, K. S. Wong*, P. C. Y. Chow*, Optically Probing Field-Dependent Charge Dynamics in Non-Fullerene Organic Photovoltaics with Small Interfacial Energy Offsets. J. Phys. Chem. C. 125, 1714–1722 (2021).

  4. C. Ma, C. C. S. Chan, X. Zou, H. Yu, J. Zhang, H. Yan, K. S. Wong*, P. C. Y. Chow*, Unraveling the Temperature Dependence of Exciton Dissociation and Free Charge Generation in Nonfullerene Organic Solar Cells. Sol. RRL. 2000789, 2000789 (2021).

  5. Y. Chen, F. Bai, Z. Peng, L. Zhu, J. Zhang, X. Zou, Y. Qin, H. K. Kim, J. Yuan, L. Ma, J. Zhang, H. Yu, P. C. Y. Chow, F. Huang, Y. Zou, H. Ade, F. Liu*, H. Yan*, Asymmetric Alkoxy and Alkyl Substitution on Nonfullerene Acceptors Enabling High‐Performance Organic Solar Cells. Adv. Energy Mater. 11, 2003141, (2021).

  6. T. F. Hinrichsen, C. C. S. Chan, C. Ma, D. Paleček, A. Gillett, S. Chen, X. Zou, G. Zhang, H.-L. Yip, K. S. Wong, R. H. Friend*, H. Yan*, A. Rao*, P. C. Y. Chow*, Long-lived and disorder-free charge transfer states enable endothermic charge separation in efficient non-fullerene organic solar cells. Nat. Commun. 11, 5617 (2020).

  7. L. Arunagiri, Z. Peng, X. Zou, H. Yu, G. Zhang, Z. Wang, J. Y. Lin Lai, J. Zhang, Y. Zheng, C. Cui, F. Huang, Y. Zou, K. S. Wong, P. C. Y. Chow*, H. Ade*, H. Yan*, Selective Hole and Electron Transport in Efficient Quaternary Blend Organic Solar Cells. Joule. 4, 1790–1805 (2020).

  8. G. Zhang, X.-K. Chen*, J. Xiao, P. C. Y. Chow*, M. Ren, G. Kupgan, X. Jiao, C. C. S. Chan, X. Du, R. Xia, Z. Chen, J. Yuan, Y. Zhang, S. Zhang, Y. Liu, Y. Zou*, H. Yan, K. S. Wong, V. Coropceanu, N. Li, C. J. Brabec, J.-L. Bredas*, H.-L. Yip*, Y. Cao, Delocalization of exciton and electron wavefunction in non-fullerene acceptor molecules enables efficient organic solar cells. Nat. Commun. 11, 3943 (2020).

  9. G. Chai, Y. Chang, Z. Peng, Y. Jia, X. Zou, D. Yu, H. Yu, Y. Chen, P. C. Y. Chow, K. S. Wong, J. Zhang, H. Ade, L. Yang, C. Zhan*, Enhanced hindrance from phenyl outer side chains on nonfullerene acceptor enables unprecedented simultaneous enhancement in organic solar cell performances with 16.7% efficiency. Nano Energy. 76, 105087 (2020).

  10. L.-K. Ma, Y. Chen, P. C. Y. Chow, G. Zhang, J. Huang, C. Ma, J. Zhang, H. Yin, A. M. Hong Cheung, K. S. Wong, S. K. So, H. Yan*, High-Efficiency Indoor Organic Photovoltaics with a Band-Aligned Interlayer. Joule. 4, 1486–1500 (2020).

  11. Y. Chang, T.-K. Lau, P. C. Y. Chow, N. Wu, D. Su, W. Zhang, H. Meng, C. Ma, T. Liu, K. Li, X. Zou, K. S. Wong, X. Lu, H. Yan*, C. Zhan*, A 16.4% efficiency organic photovoltaic cell enabled using two donor polymers with their side-chains oriented differently by a ternary strategy. J. Mater. Chem. A. 8, 3676–3685 (2020).

  12. P. C. Y. Chow*, T. Someya, Organic Photodetectors for Next‐Generation Wearable Electronics. Adv. Mater. 32, 1902045 (2020).

  13. H. Yin, L. Ma, Y. Wang, J. Huang, H. Yu, J. Zhang, P. C. Y. Chow, W. Ma, S. K. So*, H. Yan*, Donor Polymer Can Assist Electron Transport in Bulk Heterojunction Blends with Small Energetic Offsets. Adv. Mater. 31, 1903998 (2019).

  14. K. Jiang, F. Wu, G. Zhang, P. C. Y. Chow, C. Ma, S. Li, K. S. Wong, L. Zhu*, H. Yan*, Inverted planar perovskite solar cells based on CsI-doped PEDOT:PSS with efficiency beyond 20% and small energy loss. J. Mater. Chem. A. 7, 21662–21667 (2019).

  15. L. Arunagiri, G. Zhang, H. Hu, H. Yao, K. Zhang, Y. Li, P. C. Y. Chow, H. Ade, H. Yan*, Temperature‐Dependent Aggregation Donor Polymers Enable Highly Efficient Sequentially Processed Organic Photovoltaics Without the Need of Orthogonal Solvents. Adv. Funct. Mater. 0, 1902478 (2019).

  16. H. Yao, Y. Li, H. Hu, P. C. Y. Chow, S. Chen, J. Zhao, Z. Li, J. H. Carpenter, J. Y. L. Lai, G. Yang, Y. Liu, H. Lin, H. Ade, H. Yan*, A Facile Method to Fine-Tune Polymer Aggregation Properties and Blend Morphology of Polymer Solar Cells Using Donor Polymers with Randomly Distributed Alkyl Chains. Adv. Energy Mater. 8, 1701895 (2018).

  17. G. Zhang, J. Zhao, P. C. Y. Chow, K. Jiang, J. Zhang, Z. Zhu, J. Zhang, F. Huang, H. Yan*, Nonfullerene Acceptor Molecules for Bulk Heterojunction Organic Solar Cells. Chem. Rev. 118, 3447–3507 (2018).

  18. P. C. Y. Chow*, N. Matsuhisa, P. Zalar, M. Koizumi, T. Yokota, T. Someya*, Dual-gate organic phototransistor with high-gain and linear photoresponse. Nat. Commun. 9, 4546 (2018).

  19. R. Shidachi, N. Matsuhisa, P. Zalar, P. C. Y. Chow, H. Jinno, T. Yokota, T. Someya*, Photocurrent Amplification in Bulk Heterojunction Organic Phototransistors with Different Donor–Acceptor Ratio. Phys. Status Solidi - Rapid Res. Lett. 12, 1700400 (2018).

  20. S. Chen, L. Zhang, C. Ma, D. Meng, J. Zhang, G. Zhang, Z. Li, P. C. Y. Chow, W. Ma, Z. Wang, K. S. Wong, H. Ade, H. Yan*, Alkyl Chain Regiochemistry of Benzotriazole-Based Donor Polymers Influencing Morphology and Performances of Non-Fullerene Organic Solar Cells. Adv. Energy Mater. 1702427, 1–6 (2018).

  21. S. Chen, Y. Wang, L. Zhang, J. Zhao, Y. Chen, D. Zhu, H. Yao, G. Zhang, W. Ma, R. H. Friend, P. C. Y. Chow*, F. Gao*, H. Yan*, Efficient Nonfullerene Organic Solar Cells with Small Driving Forces for Both Hole and Electron Transfer. Adv. Mater. 30, 1804215 (2018).

  22. J. Zhang, Y. Li, J. Huang, H. Hu, G. Zhang, T. Ma, P. C. Y. Chow, H. Ade, D. Pan, H. Yan*, Ring-Fusion of Perylene Diimide Acceptor Enabling Efficient Nonfullerene Organic Solar Cells with a Small Voltage Loss. J. Am. Chem. Soc. 139, 16092–16095 (2017).

  23. H. Hu, P. C. Y. Chow, G. Zhang, T. Ma, J. Liu, G. Yang, H. Yan*, Design of Donor Polymers with Strong Temperature-Dependent Aggregation Property for Efficient Organic Photovoltaics. Acc. Chem. Res. 50, 2519–2528 (2017).

  24. Y. Liu, S. Chen, G. Zhang, P. C. Y. Chow, H. Yan*, A wide bandgap conjugated polymer based on a vertically connected benzodithiophene unit enabling efficient non-fullerene polymer solar cells. J. Mater. Chem. A. 5, 15017–15020 (2017).

  25. S. Chen, Y. Liu, L. Zhang, P. C. Y. Chow, Z. Wang, G. Zhang, W. Ma, H. Yan*, A Wide-Bandgap Donor Polymer for Highly Efficient Non-fullerene Organic Solar Cells with a Small Voltage Loss. J. Am. Chem. Soc. 139, 6298–6301 (2017).

  26. D. Asil, B. J. Walker, B. Ehrler, Y. Vaynzof, A. Sepe, S. Bayliss, A. Sadhanala, P. C. Y. Chow, P. E. Hopkinson, U. Steiner, N. C. Greenham, R. H. Friend*, Role of PbSe Structural Stabilization in Photovoltaic Cells. Adv. Funct. Mater. 25, 928–935 (2015).

  27. P. C. Y. Chow, S. L. Bayliss, G. Lakhwani, N. C. Greenham, R. H. Friend*, In situ optical measurement of charge transport dynamics in organic photovoltaics. Nano Lett. 15, 931–935 (2015).

  28. S. Jung, A. Sou, K. Banger, D.-H. Ko, P. C. Y. Chow, C. R. McNeill, H. Sirringhaus*, All-Inkjet-Printed, All-Air-Processed Solar Cells. Adv. Energy Mater. 4, 1400432 (2014).

  29. X. Liu, J. M. Cole*, P. C. Y. Chow, L. Zhang, Y. Tan, T. Zhao, Dye Aggregation and Complex Formation Effects in 7-(Diethylamino)-coumarin-3-carboxylic Acid. J. Phys. Chem. C. 118, 13042–13051 (2014).

  30. P. C. Y. Chow, S. Gélinas, A. Rao, R. H. Friend*, Quantitative bimolecular recombination in organic photovoltaics through triplet exciton formation. J. Am. Chem. Soc. 136, 3424–3429 (2014).

  31. P. C. Y. Chow, S. Albert-Seifried, S. Gélinas, R. H. Friend*, Nanosecond intersystem crossing times in fullerene acceptors: Implications for organic photovoltaic diodes. Adv. Mater. 26, 4851–4854 (2014).

  32. M. K. Etherington, J. Wang, P. C. Y. Chow, N. C. Greenham*, Recombination pathways in polymer:fullerene photovoltaics observed through spin polarization measurements. Appl. Phys. Lett. 104, 063304 (2014).

  33. A. Rao, P. C. Y. Chow, S. Gélinas, C. W. Schlenker, C.-Z. Li, H.-L. Yip, A. K.-Y. Jen, D. S. Ginger, R. H. Friend*, The role of spin in the kinetic control of recombination in organic photovoltaics. Nature. 500, 435–439 (2013).

  34. A. A. Bakulin, S. D. Dimitrov, A. Rao, P. C. Y. Chow, C. B. Nielsen, B. C. Schroeder, I. McCulloch, H. J. Bakker, J. R. Durrant, R. H. Friend*, Charge-transfer state dynamics following hole and electron transfer in organic photovoltaic devices. J. Phys. Chem. Lett. 4, 209–215 (2013).

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