Lead-Free Halide Perovskite Solar Cells with High Photocurrents Realized Through Vacancy Modulation

被引：1032

作者：

Kumar, Mulmudi Hemant ^{[1
,2
]}

Dharani, Sabba ^{[1
,2
]}

Leong, Wei Lin ^{[3
]}

Boix, Pablo P. ^{[1
]}

Prabhakar, Rajiv Ramanujam ^{[1
,2
]}

Baikie, Tom ^{[1
]}

Shi, Chen ^{[4
]}

Ding, Hong ^{[5
]}

Ramesh, Ramamoorthy ^{[5
]}

Asta, Mark ^{[5
]}

Graetzel, Michael ^{[1
,6
]}

Mhaisalkar, Subodh G. ^{[1
,2
]}

Mathews, Nripan ^{[1
,2
]}

机构：

[1] Energy Res Inst NTU ERI N, Singapore 637553, Singapore

[2] Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, Singapore

[3] ASTAR, IMRE, Singapore 117602, Singapore

[4] Nanyang Technol Univ, Sch Phys & Math Sci, Singapore 637371, Singapore

[5] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA

[6] Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland

来源：

ADVANCED MATERIALS | 2014年 / 26卷 / 41期

基金：

欧洲研究理事会;

关键词：

PHASE-TRANSITIONS; LOW-TEMPERATURE; HIGH-EFFICIENCY; THIN-FILMS; CSSNI3; PHOTOLUMINESCENCE; DEPOSITION; VOLTAGE; TIN;

D O I：

10.1002/adma.201401991

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Lead free perovskite solar cells based on a CsSnI3 light absorber with a spectral response from 950 nm is demonstrated. The high photocurrents noted in the system are a consequence of SnF2 addition which reduces defect concentrations and hence the background charge carrier density.

引用

页码：7122 / +

页数：7

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