Enhanced Solar Cell Conversion Efficiency of InGaN/GaN Multiple Quantum Wells by Piezo-Phototronic Effect

被引：88

作者：

Jiang, Chunyan ^{[1
,2
,3
]}

Jing, Liang ^{[1
,2
,3
]}

Huang, Xin ^{[1
,2
,3
]}

Liu, Menmeng ^{[1
,2
,3
]}

Du, Chunhua ^{[1
,2
]}

Liu, Ting ^{[1
,2
,3
]}

Pu, Xiong ^{[1
,2
]}

Hu, Weiguo ^{[1
,2
]}

Wang, Zhong Lin ^{[1
,2
,4
]}

机构：

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

[2] Natl Ctr Nanosci & Technol NCNST, CAS Ctr Excellence Nanosci, Beijing 100190, Peoples R China

[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

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

来源：

ACS NANO | 2017年 / 11卷 / 09期

基金：

中国国家自然科学基金;

关键词：

solar cell; piezo-phototronic effect; InGaN/GaN multiple quantum wells; optical absorption; conversion efficiency; BAND-GAP; PERFORMANCE; DEVICES; STRAIN;

D O I：

10.1021/acsnano.7b04935

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The piezo-phototronic effect is the tuning of piezoelectric polarization charges at the interface to largely enhance the efficiency of optoelectronic processes related to carrier separation or recombination. Here, we demonstrated the enhanced short-circuit current density and the conversion efficiency of InGaN/GaN multiple quantum well solar cells with an external stress applied on the device. The external-stress-induced piezoelectric charges generated at the interfaces of InGaN and GaN compensate the piezoelectric charges induced by lattice mismatch stress in the InGaN wells. The energy band realignment is calculated with a self-consistent numerical model to clarify the enhancement mechanism of optical-generated carriers. This research not only theoretically and experimentally proves the piezo-phototronic effect modulated the quantum photovoltaic device but also provides a great promise to maximize the use of solar energy in the current energy revolution.

引用

页码：9405 / 9412

页数：8

共 40 条

[31] K-P THEORY OF SEMICONDUCTOR SUPERLATTICE ELECTRONIC-STRUCTURE .1. FORMAL RESULTS
SMITH, DL
MAILHIOT, C
[J]. PHYSICAL REVIEW B, 1986, 33 (12): : 8345 - 8359
[32] Piezoelectric effect on compensation of the quantum-confined Stark effect in InGaN/GaN multiple quantum wells based green light-emitting diodes
Tsai, Sheng-Chieh
Lu, Cheng-Hsueh
Liu, Chuan-Pu
[J]. NANO ENERGY, 2016, 28 : 373 - 379
[33] Effect of strain and associated piezoelectric fields in InGaN GaN quantum wells probed by resonant Raman scattering
Wagner, J
Ramakrishnan, A
Obloh, H
Maier, M
[J]. APPLIED PHYSICS LETTERS, 1999, 74 (25) : 3863 - 3865
[34] Progress in Piezotronics and Piezo-Phototronics
Wang, Zhong Lin
[J]. ADVANCED MATERIALS, 2012, 24 (34) : 4632 - 4646
[35] Piezopotential gated nanowire devices: Piezotronics and piezo-phototronics
Wang, Zhong Lin
[J]. NANO TODAY, 2010, 5 (06) : 540 - 552
[36] Piezotronics and piezo-phototronics for adaptive electronics and optoelectronics
Wu, Wenzhuo
Wang, Zhong Lin
[J]. NATURE REVIEWS MATERIALS, 2016, 1 (07):
[37] InGaN/GaN multiple quantum well solar cells with an enhanced open-circuit voltage
Zhang Xiao-Bin
Wang Xiao-Liang
Xiao Hong-Ling
Yang Cui-Bai
Hou Qi-Feng
Yin Hai-Bo
Chen Hong
Wang Zhan-Guo
[J]. CHINESE PHYSICS B, 2011, 20 (02)
[38] Robust Pb2+ sensor based on flexible ZnO/ZnS core-shell nanoarrays
Zhao, Zhenfu
Jiang, Chunyan
Pu, Xiong
Du, Chunhua
Li, Linxuan
Ma, Bei
Hu, Weiguo
[J]. APPLIED PHYSICS LETTERS, 2016, 108 (15)
[39] Enhancing the Efficiency of Silicon-Based Solar Cells by the Piezo-Phototronic Effect
Zhu, Laipan
Wang, Longfei
Pan, Caofeng
Chen, Libo
Xue, Fei
Chen, Baodong
Yang, Leijing
Su, Li
Wang, Zhong Lin
[J]. ACS NANO, 2017, 11 (02) : 1894 - 1900
[40] Piezo-Phototronic Effect Enhanced Flexible Solar Cells Based on n-ZnO/p-SnS Core-Shell Nanowire Array
Zhu, Laipan
Wang, Longfei
Xue, Fei
Chen, Libo
Fu, Jianqiang
Feng, Xiaolong
Li, Tianfeng
Wang, Zhong Lin
[J]. ADVANCED SCIENCE, 2017, 4 (01):

← 1 2 3 4 →