Triboelectrification induced UV emission from plasmon discharge

被引：34

作者：

Han, Chang Bao ^{[1
]}

Zhang, Chi ^{[1
]}

Tian, Jingjing ^{[1
]}

Li, Xiaohui ^{[1
]}

Zhang, Limin ^{[1
]}

Li, Zhou ^{[1
]}

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

机构：

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

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

来源：

NANO RESEARCH | 2015年 / 8卷 / 01期

基金：

中国国家自然科学基金;

关键词：

triboelectrification; light emitting; plasma discharge; UV light; sterilization; DIELECTRIC-BARRIER DISCHARGES; CONTACT ELECTRIFICATION; X-RAY; PRESSURE; RADIATION; ENERGY; LITHOGRAPHY; MERCURY; AR; NANOGENERATORS;

D O I：

10.1007/s12274-014-0634-5

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：

UV is a high-energy electromagnetic radiation that has been widely used in industrial production and the scientific research domain. In this work, a deep UV light emission was obtained using triboelectrification induced plasma discharge without any extra power supply. By a mechanical friction between polymer and quartz glass, the triboelectric charges cause a changing electric field, which may bring plasma discharge of low pressure gas (Ar-Hg) and give out 253.7 nm irradiation. The UV light caused by continuous friction can excite a trichromatic phosphor and afford a bright white light emission. A UV sterilization experiment shows that similar to 98% of Escherichia coli can be killed in 30 min by UV irradiation, which reveals that a self-powered sterilization apparatus with good sterilization effect was fabricated. This work provides a novel design to fabricate a self-powered UV light emitting device using low-frequency mechanical friction and realizes the coupling of triboelectrification and plasma luminescence, which may further expand the application of UV light in special circumstances.

引用

页码：219 / 226

页数：8

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