The Spacer Cations Interplay for Efficient and Stable Layered 2D Perovskite Solar Cells

Organic spacer cations in layered 2D (A1)2(A2)n−1BnX3n+1 (where A1 is an organic cation acting as a spacer between the perovskite layers, A2 is a monovalent cation, e.g., Cs+,CH3NH3+, CH(NH2)2+) perovskite materials improve the long‐term stability of the resulting solar cells, but hamper their power...

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Veröffentlicht in:	Advanced energy materials 2020-01, Vol.10 (1), p.n/a
Hauptverfasser:	Zhou, Ning, Huang, Bolong, Sun, Mingzi, Zhang, Yu, Li, Liang, Lun, Yingzhuo, Wang, Xueyun, Hong, Jiawang, Chen, Qi, Zhou, Huanping
Format:	Artikel
Sprache:	eng
Schlagworte:	2D perovskites Alkylamines Cations Crystal growth Crystal structure efficiency Energy conversion efficiency exciton binding energy Excitons Open circuit voltage organic spacers Perovskites Photovoltaic cells Solar cells
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