Yttrium-substituted nanocrystalline TiO2 photoanodes for perovskite based heterojunction solar cells

被引：162

作者：

Qin, Peng ^{[1
]}

Domanski, Anna L. ^{[2
]}

Chandiran, Aravind Kumar ^{[1
]}

Berger, Ruediger ^{[2
]}

Butt, Hans-Juergen ^{[2
]}

Dar, M. Ibrahim ^{[1
]}

Moehl, Thomas ^{[1
]}

Tetreault, Nicolas ^{[1
]}

Gao, Peng ^{[1
]}

Ahmad, Shahzada ^{[3
]}

Nazeeruddin, Mohammad K. ^{[1
]}

Graetzel, Michael ^{[1
]}

机构：

[1] Swiss Fed Inst Technol, Dept Chem & Chem Engn, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland

[2] Max Planck Inst Polymer Res, D-55128 Mainz, Germany

[3] Abengoa Res, Seville 41014, Spain

来源：

NANOSCALE | 2014年 / 6卷 / 03期

基金：

新加坡国家研究基金会;

关键词：

PROBE FORCE MICROSCOPY; ORGANOMETAL HALIDE PEROVSKITES; HIGH-EFFICIENCY; DEPOSITION; SENSITIZER; LAYER; OXIDE;

D O I：

10.1039/c3nr05884k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report the use of Y3+-substituted TiO2 (0.5% Y-TiO2) in solid-state mesoscopic solar cells, consisting of CH3NH3PbI3 as the light harvester and spiro-OMeTAD as the hole transport material. A power conversion efficiency of 11.2% under simulated AM 1.5 full sun illumination was measured. A 15% improvement in the short-circuit current density was obtained compared with pure TiO2, due to the effect of Y3+ on the dimensions of perovskite nanoparticles formed on the semiconductor surface, showing that the surface modification of the semiconductor is an effective way to improve the light harvesters' morphology and electron transfer properties in the solid-state mesoscopic solar cells.

引用

页码：1508 / 1514

页数：7

共 31 条

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