A general approach for nanoparticle composite transport materials toward efficient perovskite solar cells

Yihua Chen; Jianjun Gu; Rundong Fan; Ziliang Li; Liang Li; Ligang Wang; Guanhaojie Zheng; Honggang Nie; Qi Chen; Huanping Zhou

doi:10.1039/C7CC05934E

A general approach for nanoparticle composite transport materials toward efficient perovskite solar cells†

Yihua Chen,‡^a Jianjun Gu,‡^a Rundong Fan,‡^a Ziliang Li,^a Liang Li,^a Ligang Wang,^a Guanhaojie Zheng,^a Honggang Nie,^b Qi Chen

^c and Huanping Zhou

*^a

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* Corresponding authors

^a Department of Materials Science and Engineering, Department of Energy and Resources Engineering, College of Engineering, Peking University, Beijing 100871, P. R. China
E-mail: happy_zhou@pku.edu.cn

^b Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, P. R. China

^c School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China

Abstract

The design of electron transport layers (ETLs) is crucial to the performance of optoelectronic devices. A composite ETL was constructed to overcome the poor carrier extraction issue in perovskite solar cells, resulting in a maximum PCE of 19.14% with reduced hysteresis. A similar enhancement phenomenon was observed in both devices based on TiO₂ and SnO₂ ETLs.

Chemical Communications

A general approach for nanoparticle composite transport materials toward efficient perovskite solar cells†

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A general approach for nanoparticle composite transport materials toward efficient perovskite solar cells

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