Piezoelectric-Polarization-Enhanced Photovoltaic Performance in Depleted-Heterojunction Quantum-Dot Solar Cells

被引：101

作者：

Shi, Jian ^{[1
]}

Zhao, Ping ^{[1
]}

Wang, Xudong ^{[1
]}

机构：

[1] Univ Wisconsin, Dept Mat Sci & Engn, Madison, WI 53706 USA

来源：

ADVANCED MATERIALS | 2013年 / 25卷 / 06期

基金：

美国国家科学基金会;

关键词：

piezoelectric polarization; quantum-dot photovoltaics; piezotronics; FIELD-EFFECT TRANSISTOR; DIODES;

D O I：

10.1002/adma.201203021

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Piezoelectric polarization at the ZnO/PbS-quantum-dot (QD) interface can be used to engineer the heterojunction band structure and manipulate the width of the depletion region in the QD layer. This piezotronic modulation enhances charge extraction from the PbS QDs and improves the photovoltaic efficiency of depleted-heterojunction QD solar cells.

引用

页码：916 / 921

页数：6

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