Transformative Evolution of Organolead Triiodide Perovskite Thin Films from Strong Room-Temperature Solid-Gas Interaction between HPbl3-CH3NH2 Precursor Pair

被引：157

作者：

Pang, Shuping ^{[1
]}

Zhou, Yuanyuan ^{[2
]}

Wang, Zaiwei ^{[1
]}

Yang, Mengjin ^{[3
]}

Krause, Amanda R. ^{[2
]}

Zhou, Zhongmin ^{[1
]}

Zhu, Kai ^{[3
]}

Padture, Nitin P. ^{[2
]}

Cui, Guanglei ^{[1
]}

机构：

[1] Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China

[2] Brown Univ, Sch Engn, Providence, RI 02912 USA

[3] Natl Renewable Energy Lab, Chem & Nanosci Ctr, Golden, CO 80401 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2016年 / 138卷 / 03期

基金：

美国国家科学基金会;

关键词：

SOLAR-CELLS; HALIDE PEROVSKITES; LIGHT; EXTRACTION; EFFICIENT;

D O I：

10.1021/jacs.5b11824

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We demonstrate the feasibility of a nonsalt-based precursor pair-inorganic HPbI3 solid and organic CH3NH2 gas-for the deposition of uniform CH3NH3PbI3 perovskite thin films. The strong room-temperature solidgas interaction between HPbI3 and CH3NH2 induces transformative evolution of ultrasmooth, full-coverage perovskite thin films at a rapid rate (in seconds) from nominally processed rough, partial-coverage HPbI3 thin films. The chemical origin of this behavior is elucidated via in situ experiments. Perovskite solar cells, fabricated using MAPbI(3) thin films thus deposited, deliver power conversion efficiencies up to 18.2%, attesting to the high quality of the perovskite thin films deposited using this transformative process.

引用

页码：750 / 753

页数：4

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