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Zeke Liu, Yaxiang Sun, Jianyu Yuan, Huaixin Wei, Xiaodong Huang, Lu Han, Weiwei Wang, Haiqiao Wang and Wanli Ma High-Efficiency Hybrid Solar Cells Based on Polymer/PbSxSe1-x Nanocrystals Benefiting from Vertical Phase Segregation Advanced Materials 25

Article first published online: 12 AUG 2013 | DOI: 10.1002/adma.201302340

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Solution-processed hybrid solar cells employing a low band-gap polymer and PbSxSe1-x alloy nanocrystals, achieving a record high PCE of 5.50% and an optimal FF of 67% are presented. The remarkable device efficiency can be attributed to the high-performance active materials, the optimal polymer/NCs ratio and, more importantly, the vertical donor/(donor:acceptor)/acceptor structure which benefits charge dissociation and transport.

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