Enhanced P3HT/ZnO Nanowire Array Solar Cells by Pyro-phototronic Effect

被引：55

作者：

Zhang, Kewei ^{[1
,2
]}

Wang, Zhong Lin ^{[1
,2
,3
]}

Yang, Ya ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Beijing Inst Nanoenergy & Nanosyst, Beijing 100083, Peoples R China

[2] Natl Ctr Nanosci & Technol NCNST, Beijing 100083, Peoples R China

[3] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA

来源：

ACS NANO | 2016年 / 10卷 / 11期

基金：

北京市自然科学基金; 中国国家自然科学基金; 中国博士后科学基金;

关键词：

ZnO; pyroelectricity; optoelectronic process; pyro-phototronics; heterojunction; PERFORMANCE; ENERGY; DEVICES; PYROELECTRICITY; NANOGENERATORS; DEPOSITION; EFFICIENCY; INTERFACE; OXIDE;

D O I：

10.1021/acsnano.6b06049

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The pyro-phototronic effect is based on the coupling among photo excitation, pyroelectricity, and semiconductor charge transport in pyroelectric materials, which can be utilized to modulate photoexcited carriers to enhance the output performance of solar cells. Herein, we have demonstrated the largely enhanced output performance of a P3HT/ZnO nanowire array photovoltaic cell (PVC) by using the pyrophototronic effect under weak light illuminations. By applying an external cooling temperature variation, the output current and voltage of the PVC can be dramatically enhanced by 18% and 152% under indoor light illumination, respectively. This study realizes the performance enhancement of pyroelectric semiconductor materials-based solar cells via a temperature-variation-induced pyro-phototronic effect, which may have potential applications in solar energy scavenging and self-powered sensor systems.

引用

页码：10331 / 10338

页数：8

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