Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells

被引：19670

作者：

Kojima, Akihiro ^{[1
]}

Teshima, Kenjiro ^{[3
]}

Shirai, Yasuo ^{[4
]}

Miyasaka, Tsutomu ^{[1
,2
,3
]}

机构：

[1] Univ Tokyo, Grad Sch Arts & Sci, Meguro Ku, Tokyo 1538902, Japan

[2] Toin Univ Yokohama, Grad Sch Engn, Aoba Ku, Kanagawa 2258502, Japan

[3] Peccell Technol Inc, Aoba Ku, Kanagawa 2258502, Japan

[4] Tokyo Polytech Univ, Grad Sch Engn, Kanagawa 2430297, Japan

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2009年 / 131卷 / 17期

关键词：

SOLAR-CELLS; PERFORMANCE; ELECTRODES;

D O I：

10.1021/ja809598r

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Two organolead halide perovskite nanocrystals, CH3NH3PbBr3 and CH(3)NH(3)Pbl(3), were found to efficiently sensitize TiO2 for visible-light conversion in photoetectrochemical cells. When self-assembled on mesoporous TiO2 films, the nanocrystattine perovskites exhibit strong band-gap absorptions as semiconductors. The CH(3)NH(3)Pbl(3)-based photocell with spectral sensitivity of up to 800 nm yielded a solar energy conversion efficiency of 3.8%. The CH3NH3PbBr3-based cell showed a high photovoltage of 0.96 V with an external quantum conversion efficiency of 65%.

引用

页码：6050 / +

页数：3

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