Dipolar cations confer defect tolerance in wide-bandgap metal halide perovskites

Dipolar cations confer defect tolerance in wide-bandgap metal halide perovskites

The performance of wide-bandgap perovskite photovoltaics is limited by the undesired phase transition and high density of deep level traps. Here, Tan et al. incorporate dipolar methylammonium cation to make the material defect-tolerant and achieve a high power conversion efficiency of 20.7%.

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Detalles Bibliográficos
Autores principales: Hairen Tan, Fanglin Che, Mingyang Wei, Yicheng Zhao, Makhsud I. Saidaminov, Petar Todorović, Danny Broberg, Grant Walters, Furui Tan, Taotao Zhuang, Bin Sun, Zhiqin Liang, Haifeng Yuan, Eduard Fron, Junghwan Kim, Zhenyu Yang, Oleksandr Voznyy, Mark Asta, Edward H. Sargent
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2018
Materias:
Science
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Acceso en línea:https://doaj.org/article/29f61d7fb4174a9baf55ca8b52afb752
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