Piezophototronic‐Effect‐Enhanced Electrically Pumped Lasing

This study demonstrates significant improvements of ZnO nanowire lasers by the piezophototronic effect. The laser output power can be enhanced by a factor of 4.96, and the threshold voltage can be decreased from 48 to 20 V by applying pressure. The mechanism of the improved performance can be attrib...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2017-02, Vol.29 (5), p.np-n/a
Main Authors: Yang, Xun, Dong, Lin, Shan, Chongxin, Sun, Junlu, Zhang, Nan, Wang, Shuangpeng, Jiang, Mingming, Li, Binghui, Xie, Xiuhua, Shen, Dezhen
Format: Article
Language:English
Subjects:
Carrier injection
Electric power generation
Laser outputs
Lasers
Lasing
Materials science
Nanowires
piezophototronic effect
Threshold voltage
thresholds
Zinc oxide
ZnO nanowires
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Summary:This study demonstrates significant improvements of ZnO nanowire lasers by the piezophototronic effect. The laser output power can be enhanced by a factor of 4.96, and the threshold voltage can be decreased from 48 to 20 V by applying pressure. The mechanism of the improved performance can be attributed to the enhanced carrier injection and recombination due to the piezophototronic effect.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201602832