Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/85715
Title: Reduced-dimensional perovskite enabled by organic diamine for efficient photovoltaics
Authors: Niu, Tingting
Ren, Hui
Wu, Bo
Xia, Yingdong
Xie, Xiaoji
Yang, Yingguo
Gao, Xingyu
Chen, Yonghua
Huang, Wei
Keywords: Perovskite
Solar Cells
Science::Physics
Issue Date: 2019
Source: Niu, T., Ren, H., Wu, B., Xia, Y., Xie, X., Yang, Y., . . . Huang, W. (2019). Reduced-dimensional perovskite enabled by organic diamine for efficient photovoltaics. The Journal of Physical Chemistry Letters, 10(10), 2349-2356. doi:10.1021/acs.jpclett.9b00750
Series/Report no.: The Journal of Physical Chemistry Letters
Abstract: Reduced-dimensional (RD) perovskite solar cells (PSCs) are emerging as highly attractive alternatives to three-dimensional (3D) PSCs due to their dramatically improved environmental stability and photostability. Diamine-based RD perovskites with a single organic amine interlayer possess orderly inorganic sheets and a smaller insulation area, indicating great potential in combining high efficiency and long-term stability. Here, we report an efficient and stable RD PSC based on 1,4-butanediamine (BDA). We found that the BDA-based RD perovskite exhibits improved crystallinity, reduced trap-state densities, and enhanced charge mobility compared to those of butylamine (BA)-based RD (BA-RD) perovskite. A high power conversion efficiency of 17.91% was achieved with negligible hysteresis. Moreover, the device showed improved stability compared to those of BA-RD and 3D films and devices. The findings may inspire new developments in introducing organic diamine for efficient and stable RD PSCs.
URI: https://hdl.handle.net/10356/85715
http://hdl.handle.net/10220/49834
DOI: 10.1021/acs.jpclett.9b00750
Rights: © 2019 American Chemical Society. This is an open access article published under an ACS AuthorChoice License, which permits copying and redistribution of the article or any adaptations for non-commercial purposes.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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