Piezotronic Effect in Flexible Thin-film Based Devices

被引：117

作者：

Wen, Xiaonan ^{[1
]}

Wu, Wenzhuo ^{[1
]}

Ding, Yong ^{[1
]}

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

机构：

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

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

来源：

ADVANCED MATERIALS | 2013年 / 25卷 / 24期

基金：

美国国家科学基金会;

关键词：

CHEMICAL-VAPOR-DEPOSITION; MOLECULAR-BEAM EPITAXY; NANOWIRE ARRAYS; ZNO FILMS; GROWTH; SWITCHES; DENSITY; DIODES; POLAR;

D O I：

10.1002/adma.201300296

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Flexible piezotronic devices based on RF-sputtered piezoelectric semiconductor thin films have been investigated for the first time. The dominating role of the piezotronic effect over the geometrical and piezoresistive effect in the as-fabricated devices has been confirmed and the modulation effect of the piezopotential on charge carrier transport under different strains is subsequently studied. Moreover, it is also demonstrated that the UV sensing capability of the as-fabricated thin film based piezotronic device can be tuned by the piezopotential, showing significantly enhanced sensitivity and improved reset time under tensile strain. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：3371 / 3379

页数：9

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