A low-cost thiophene-based hole transport material for efficient and stable perovskite solar cells

被引:12
|
作者
Zhang, Fei [1 ,2 ]
Wang, Zhiqiang [1 ,2 ]
Zhu, Hongwei [1 ,2 ]
Wang, Shirong [1 ,2 ]
Li, Xianggao [1 ,2 ]
机构
[1] Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
[2] Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300072, Peoples R China
基金
中国国家自然科学基金;
关键词
Hole transport material; Thiophene; Perovskite solar cell; Low-cost; Stability; DOPANT-FREE; PERIPHERAL GROUPS; STABILITY;
D O I
10.1016/j.orgel.2019.05.024
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this work, the design and synthesis of a thiophene-core based hole transporting material (D1) are presented. It is shown that PSCs with D1 reach a power conversion efficiencies (PCE) of 16.5%, which is lower than 19.8% obtained by spiro-OMeTAD-based device. Importantly, the devices based-on D1 show relatively better stability compared to devices based on spiro-OMeTAD when aged under ambient air and under continuous 1-sun illumination in nitrogen, respectively. Moreover, the cost of D1 is around 1/30 of that of spiro-OMeTAD. The present finding highlights the potential of thiophene core or makes D1 as a potential HTM core for low-cost and high-performance PSCs.
引用
收藏
页码:194 / 198
页数:5
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