Antisolvent-assisted powder engineering for controlled growth of hybrid CH3NH3PbI3 perovskite thin films

被引：28
作者：
Choi, Yong Chan [1 ]
Lee, Se Won [1 ]
Kim, Dae-Hwan [1 ]
机构：
[1] DGIST, Convergence Res Ctr Solar Energy, Daegu 42988, South Korea
来源：
APL MATERIALS | 2017年 / 5卷 / 02期
关键词：
SOLAR-CELLS; EFFICIENT; CRYSTALLIZATION; FABRICATION; HYSTERESIS; EXTRACTION; STABILITY; LAYERS;
D O I：
10.1063/1.4974942
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We develop antisolvent-assisted powder engineering for the controlled growth of hybrid inorganic-organic CH3NH3PbI3 (MAPbI(3)) perovskite thin films. The powders, which are used as the precursors for solution processing, are synthesized by pouring a MAPbI3 precursor solution into various antisolvents, such as dichloromethane, chloroform, diethyl ether, and toluene. Two types of powders having different colors are obtained, depending on the antisolvent used. The choice of the antisolvent used for synthesizing the powders strongly influences not only the phases of the powders but also the morphology and structure of the thin films subsequently fabricated by solution processing. This, in turn, affects the photovoltaic performance. (C) 2017 Author(s).
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页数：6
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