Spacer improvement for efficient and fully printable mesoscopic perovskite solar cells

Tongfa Liu; Yaoguang Rong; Yuli Xiong; Anyi Mei; Yue Hu; Yusong Sheng; Pei Jiang; Xiaomeng Hou; Miao Duan; Yanjun Guan; Li Hong; Hongwei Han

doi:10.1039/C6RA25347D

Spacer improvement for efficient and fully printable mesoscopic perovskite solar cells†

Tongfa Liu,

‡^a Yaoguang Rong,‡^ab Yuli Xiong,‡^a Anyi Mei,^a Yue Hu,^a Yusong Sheng,^a Pei Jiang,^a Xiaomeng Hou,^a Miao Duan,^a Yanjun Guan,^a Li Hong^a and Hongwei Han*^a

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* Corresponding authors

^a Michael Grätzel Center for Mesoscopic Solar Cells, Wuhan National Laboratory for Optoelectronics, School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, Hubei, P. R. China
E-mail: hongwei.han@mail.hust.edu.cn
Tel: +86 27 8779 3027

^b Nanjing University of Information Science and Technology, School of Physics and Optoelectronics Engineering, 219 Ningliu Road, Nanjing, Jiangsu, P. R. China

Abstract

Highly dispersible TiO₂@ZrO₂ nanoparticles are synthesized to prepare an ultra-flat and crack-free spacer film, leading to an enhanced insulating ability compared to a conventional spacer. The average power conversion efficiency of fully printable mesoscopic perovskite solar cells is improved from 10.2% to 12.5%, and the highest steady output power conversion efficiency is 13.8%.

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Spacer improvement for efficient and fully printable mesoscopic perovskite solar cells†

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Spacer improvement for efficient and fully printable mesoscopic perovskite solar cells

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