Two-Dimensional Ruddlesden-Popper Perovskite with Nanorod-like Morphology for Solar Cells with Efficiency Exceeding 15

Journal of the American Chemical Society
Hongtao LaiYongsheng Chen

Abstract

Two-dimensional (2D) Ruddlesden-Popper perovskites have shown great potential for application in perovskite solar cells due to their appealing environmental stability. However, 2D perovskites generally show poor photovoltaic performance. Here, a new type of 2D perovskite using 2-thiophenemethylammonium (ThMA+) as a spacer cation was developed and high photovoltaic performance as well as enhanced stability in comparison with its 3D counterpart was demonstrated. The use of the 2D perovskite (ThMA)2(MA) n-1Pb nI3 n+1 ( n = 3) in deposited highly oriented thin films from N, N-dimethylformamide using a methylammonium chloride (MACl) assisted film-forming technique dramatically improves the efficiency of 2D perovskite photovoltaic devices from 1.74% to over 15%, which is the highest efficiency for 2D perovskite ( n < 6) solar cells so far. The enhanced performance of the 2D perovskite devices using MACl as additive is ascribed to the growth of a dense web of nanorod-like film with near-single-crystalline quality, in which the crystallographic planes of the 2D MA n-1Pb nI3 n+12- slabs preferentially aligned perpendicular to the substrate, thus facilitating efficient charge transport. This work provides a new insight into exploration o...Continue Reading

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Citations

Oct 3, 2018·ChemSusChem·Felix Utama Kosasih, Caterina Ducati
Feb 19, 2019·Advanced Materials·Yongsheng Liu, Yongsheng Chen
Jan 31, 2019·ChemSusChem·Carmen Ortiz-CervantesDiego Solis-Ibarra
Sep 21, 2019·Angewandte Chemie·Nicolas Mercier
May 19, 2020·Advanced Materials·Tingwei HeMingjian Yuan
Jun 24, 2020·Reports on Progress in Physics·Chintam HanmandluChih-Wei Chu
Oct 23, 2019·Nanomaterials·Calum McDonaldVladimir Svrcek
Sep 11, 2020·Chemical Society Reviews·Nengxu LiHuanping Zhou
May 28, 2019·Chemical Communications : Chem Comm·Cheng-Yang YueXiao-Wu Lei
Nov 5, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Shadrack J Adjogri, Edson L Meyer
Dec 22, 2020·Advanced Science·Shaowen CuiYongbo Yuan
Mar 26, 2021·Journal of the American Chemical Society·Ming-Yu KuoJohn C Wright
Jul 13, 2021·Dalton Transactions : an International Journal of Inorganic Chemistry·Mi-Hee Jung
Jul 13, 2021·Chemical Reviews·Jie ChenOsman M Bakr
May 19, 2020·ACS Applied Materials & Interfaces·Fei ZhengKenneth P Ghiggino
Apr 23, 2019·The Journal of Physical Chemistry Letters·Tingting NiuWei Huang
Mar 19, 2019·Journal of the American Chemical Society·Fei ZhangKai Zhu
Apr 2, 2019·The Journal of Physical Chemistry Letters·Han PanMingkui Wang

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