A novel one-step synthesized and dopant-free hole transport material for efficient and stable perovskite solar cells

A hole transport material ST1 was synthesized by a one-step Heck reaction. Compared to Spiro-OMeTAD, perovskite solar cells with ST1 exhibit a remarkable overall power conversion efficiency of 15.4% without the use of any dopants and additives, which is comparable to that of the devices based on dop...

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Bibliographic Details
Published in:Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2016-01, Vol.4 (42), p.16330-16334
Main Authors: Zhao, Xiaoming, Zhang, Fei, Yi, Chenyi, Bi, Dongqin, Bi, Xiangdong, Wei, Peng, Luo, Jingshan, Liu, Xicheng, Wang, Shirong, Li, Xianggao, Zakeeruddin, Shaik Mohammed, Graetzel, Michael
Format: Article
Language:English
Subjects:
Dopants
Energy conversion efficiency
Perovskites
Photovoltaic cells
Solar cells
Stability
Synthesis
Transport
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Summary:A hole transport material ST1 was synthesized by a one-step Heck reaction. Compared to Spiro-OMeTAD, perovskite solar cells with ST1 exhibit a remarkable overall power conversion efficiency of 15.4% without the use of any dopants and additives, which is comparable to that of the devices based on doped Spiro-OMeTAD (16.3%) and present better stability during a four week aging test.
ISSN:2050-7488
2050-7496
DOI:10.1039/c6ta05254a