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A hydrophobic hole transporting oligothiophene for planar perovskite solar cells with improved stability

2014; Royal Society of Chemistry; Volume: 50; Issue: 76 Linguagem: Inglês

10.1039/c4cc04680c

1364-548X

Lingling Zheng, Yao‐Hsien Chung, Yingzhuang Ma, Lipei Zhang, Lixin Xiao, Zhijian Chen, Shufeng Wang, Bo Qu, Qihuang Gong,

Organic Electronics and Photovoltaics

An oligothiophene derivative with high hydrophobicity was synthesized and functioned as HTM for perovskite solar cells without an ion additive, resulting in improved device stability than that observed when using Li-TFSI doped spiro-MeOTAD.