Instant p-doping and pore elimination of the spiro-OMeTAD hole-transport layer in perovskite solar cells

Zhipeng Fu; Tian Hou; Xin Wang; Kaipeng Chen; Guangmian Jiang; Xiaoshan Li; Linhu Xiang; Xiaoran Sun; Hua Yu; Xu Liu; Meng Zhang

doi:10.1039/D4CC00111G

Instant p-doping and pore elimination of the spiro-OMeTAD hole-transport layer in perovskite solar cells†

Zhipeng Fu,^a Tian Hou,^a Xin Wang,^a Kaipeng Chen,^a Guangmian Jiang,^a Xiaoshan Li,^a Linhu Xiang,^a Xiaoran Sun,^a Hua Yu,

*^b Xu Liu*^c and Meng Zhang

*^ac

Author affiliations

* Corresponding authors

^a School of New Energy and Materials, Southwest Petroleum University, Chengdu, China

^b School of Physical Sciences, Great Bay University, Dongguan, Guangdong, China

^c The Australian Centre for Advanced Photovoltaics, School of Photovoltaic and Renewable Energy Engineering, University of New South Wales, Sydney, NSW 2052, Australia
E-mail: meng.zhang@unsw.edu.au

Abstract

An instant p-doping strategy employing 4-tert-butyl-2-chloropyridine and tert-butyl peroxybenzoate for the spiro-OMeTAD hole-transport layer (HTL) in perovskite solar cells (PSCs) is proposed to replace the conventional 4-tert-butylpyridine-doped HTL. The novel doping process eliminates the formation of pores in the HTL. Meanwhile, a 21.4% efficiency is achieved on the corresponding absolute methylammonium-free PSCs with significantly improved thermal and moisture stability.

Chemical Communications

Instant p-doping and pore elimination of the spiro-OMeTAD hole-transport layer in perovskite solar cells†

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Instant p-doping and pore elimination of the spiro-OMeTAD hole-transport layer in perovskite solar cells

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