Proceedings of nanoGe Fall Meeting19 (NFM19)
DOI: https://doi.org/10.29363/nanoge.nfm.2019.034
Publication date: 18th July 2019
Abstract
Recent progress of organic solar cells (OPVs) is dominated by the development of non-fullerene acceptors (NFAs). The power conversion efficiencies (PCE) of single-junction OSCs have been boosted to over 16%, showing its great potential in practical applications.[1, 2] In our works, we focus on optimizing the active layers of OPV cells to get highly efficient devices. In this talk, I will present some examples relating to how we design NFAs. Furthermore, I will introduce our method in optimizing the blend morphology of the active layer. In detail, I will talk about our recent work about the chlorinated NFAs.[3] Based on this acceptor, we achieved high PCEs of over 16%. Detailed studies imply that the reduced non-radiative loss contributes greatly to the improvement of the device performance. In addition, I will also discuss our morphology optimization method using volatilizable solid additives.[4]
References
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B. Fan, D. Zhang, M. Li, W. Zhong, Z. Zeng, L. Ying, F. Huang, Y. Cao, Sci. China Chem. 2019.
Y. Cui, H. Yao, J. Zhang, T. Zhang, Y. Wang, L. Hong, K. Xian, B. Xu, S. Zhang, J. Peng, Z. Wei, F. Gao, J. Hou, Nat. Commun. 2019, 10, 2515.
R. Yu, H. Yao, L. Hong, Y. Qin, J. Zhu, Y. Cui, S. Li, J. Hou, Nat. Commun. 2018, 9, 4645.
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