Laser detection of electrical service safety in a single ZnO nanowire

Ya Yang; Wen Guo; Junjie Qi; Jing Zhao; Yue Zhang

doi:10.1166/jnn.2012.5359

Laser detection of electrical service safety in a single ZnO nanowire

J Nanosci Nanotechnol. 2012 Jan;12(1):547-51. doi: 10.1166/jnn.2012.5359.

Authors

Ya Yang¹, Wen Guo, Junjie Qi, Jing Zhao, Yue Zhang

Affiliation

¹ State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China.

PMID: 22524017
DOI: 10.1166/jnn.2012.5359

Abstract

The electrically induced quenching of the photoluminescence (PL) intensity and fracture in a single ZnO nanowire were investigated. As the applied voltage increases, the quenching of PL intensity and the red-shift of ultraviolet (UV) emission peak were clearly observed, which are explained by the current-induced Joule heating in the ZnO nanowire. By using this mechanism, the UV laser was successfully used to monitor the safe current density and identify the current-induced fracture in a single ZnO nanowire.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Electric Wiring*
Equipment Design
Equipment Failure Analysis / methods*
Equipment Safety*
Lasers*
Nanostructures / chemistry*
Nanostructures / ultrastructure
Particle Size
Zinc Oxide / chemistry*

Substances

Zinc Oxide