Fabrication of an eco-friendly composite nanogenerator for self-powered photosensor applications

被引：45

作者：

Saravanakumar, Balasubramaniam ^{[1
]}

Thiyagarajan, Kaliannan ^{[1
]}

Alluri, Nagamalleswara Rao ^{[2
]}

SoYoon, Shin ^{[1
]}

Taehyun, Kim ^{[1
]}

Lin, Zong-Hong ^{[4
]}

Kim, Sang-Jae ^{[1
,2
,3
,4
]}

机构：

[1] Jeju Natl Univ, Dept Mechatron Engn, Nanomat & Syst Lab, Cheju 690756, South Korea

[2] Jeju Natl Univ, Dept Mech Engn, Nanomat & Syst Lab, Cheju 690756, South Korea

[3] Jeju Natl Univ, Grad Sch, Dept Adv Convergence Technol & Sci, Cheju 690756, South Korea

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

来源：

CARBON | 2015年 / 84卷

基金：

新加坡国家研究基金会;

关键词：

NANOCOMPOSITE GENERATOR; HYBRID NANOSTRUCTURES; CONTROLLED GROWTH; LARGE-AREA; GRAPHENE; NANOWIRE; ENERGY; PHOTORESPONSE; NANOPARTICLES; PARTICLES;

D O I：

10.1016/j.carbon.2014.11.041

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We report the fabrication of a biocompatible, eco-friendly composite nanogenerator for a self-powered ultraviolet (UV) photosensor. The composite nanogenerator, which consisted of ZnO nanowires and reduced graphene oxide in a polydimethylsiloxane matrix, generated an average peak-to-peak output voltage and current of 15.5 V and 2.26 gA, respectively, with an output power of 35.03 1.1W under palm impact. Under a periodic foot stamp, an output voltage and current of 5.5 V and 0.63 jtA, respectively, were observed. A large-area composite nanogenerator (11 x 10 cm2) was fabricated; the device delivered a maximum output voltage and current of 35 V and 4 piA, respectively. Further, we have demonstrated the capability of the composite nanogenerator to power light-emitting diodes, segmented displays, and liquid-crystal displays. Finally, we constructed a self-powered UV photosensor by combining our composite nanogenerator with a ZnO nanowire photodetector. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：56 / 65

页数：10

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