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A self-powered flexible vision electronic-skin for image recognition based on a pixel-addressable matrix of piezophototronic ZnO nanowire arrays
Zhang, Linlin; Fu, Yongming; Xing, Lili; Liu, Baodan; Zhang, Yan; Xue, Xinyu; Xing, LL; Xue, XY (reprint author), Northeastern Univ, Coll Sci, Shenyang 110004, Peoples R China.; Zhang, Y (reprint author), Univ Elect Sci & Technol China, Sch Phys Elect, Chengdu 610054, Peoples R China.
2017-06-28
发表期刊JOURNAL OF MATERIALS CHEMISTRY C
ISSN2050-7526
卷号5期号:24页码:6005-6013
摘要The emerging electronic-skins (e-skins) are designed to mimic the comprehensive properties of human perception via flexible device techniques, and the achievement of a vision e-skin for image recognition is a highly interesting topic for applications in bionic organs and robots. In this paper, a new self-powered flexible vision e-skin has been realized from a pixel-addressable matrix of piezophototronic ZnO nanowire arrays. Under applied deformation, the e-skin can actively output piezoelectric voltage (piezoelectric effect), and the output piezoelectric voltage can be significantly influenced by UV illumination. The piezoelectric output can be regarded as both a photodetecting signal and electrical power for driving the device (no external power source is needed). The working mechanism is based on the optoelectronic/piezoelectric coupling effect (piezophototronic effect) of ZnO. The photo-generated carriers inside the ZnO nanowires can partially screen the piezoelectric field, affecting the piezoelectric output. The e-skin device has a 6 x 6 pixel-addressable matrix structure, and can map multi-point UV-stimuli through a multichannel data acquisition method, realizing image recognition. This new device structure and working mechanism may provoke a new research direction for the development of multi-functional e-skins.; The emerging electronic-skins (e-skins) are designed to mimic the comprehensive properties of human perception via flexible device techniques, and the achievement of a vision e-skin for image recognition is a highly interesting topic for applications in bionic organs and robots. In this paper, a new self-powered flexible vision e-skin has been realized from a pixel-addressable matrix of piezophototronic ZnO nanowire arrays. Under applied deformation, the e-skin can actively output piezoelectric voltage (piezoelectric effect), and the output piezoelectric voltage can be significantly influenced by UV illumination. The piezoelectric output can be regarded as both a photodetecting signal and electrical power for driving the device (no external power source is needed). The working mechanism is based on the optoelectronic/piezoelectric coupling effect (piezophototronic effect) of ZnO. The photo-generated carriers inside the ZnO nanowires can partially screen the piezoelectric field, affecting the piezoelectric output. The e-skin device has a 6 x 6 pixel-addressable matrix structure, and can map multi-point UV-stimuli through a multichannel data acquisition method, realizing image recognition. This new device structure and working mechanism may provoke a new research direction for the development of multi-functional e-skins.
部门归属[zhang, linlin ; fu, yongming ; xing, lili ; xue, xinyu] northeastern univ, coll sci, shenyang 110004, peoples r china ; [liu, baodan] chinese acad sci, inst met res, shenyang 110000, peoples r china ; [zhang, yan] univ elect sci & technol china, sch phys elect, chengdu 610054, peoples r china
学科领域Materials Science, Multidisciplinary ; Physics, Applied
资助者National Natural Science Foundation of China [11674048]; Fundamental Research Funds for the Central Universities [N150505001, N160502002]; Liaoning Natural Science Foundation [2015021009]; Liaoning BaiQianWan Talents Program [2014921017]; Program for New Century Excellent Talents in University [NCET-13-0112]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/78076
专题中国科学院金属研究所
通讯作者Xing, LL; Xue, XY (reprint author), Northeastern Univ, Coll Sci, Shenyang 110004, Peoples R China.; Zhang, Y (reprint author), Univ Elect Sci & Technol China, Sch Phys Elect, Chengdu 610054, Peoples R China.
推荐引用方式
GB/T 7714
Zhang, Linlin,Fu, Yongming,Xing, Lili,et al. A self-powered flexible vision electronic-skin for image recognition based on a pixel-addressable matrix of piezophototronic ZnO nanowire arrays[J]. JOURNAL OF MATERIALS CHEMISTRY C,2017,5(24):6005-6013.
APA Zhang, Linlin.,Fu, Yongming.,Xing, Lili.,Liu, Baodan.,Zhang, Yan.,...&Zhang, Y .(2017).A self-powered flexible vision electronic-skin for image recognition based on a pixel-addressable matrix of piezophototronic ZnO nanowire arrays.JOURNAL OF MATERIALS CHEMISTRY C,5(24),6005-6013.
MLA Zhang, Linlin,et al."A self-powered flexible vision electronic-skin for image recognition based on a pixel-addressable matrix of piezophototronic ZnO nanowire arrays".JOURNAL OF MATERIALS CHEMISTRY C 5.24(2017):6005-6013.
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