Band-gap modification and tunable blue luminescence of wurtzite Mg xZn 1-xO thin films

Yusuke Ogawa; Shinobu Fujihara

doi:10.1002/pssa.200520053

Band-gap modification and tunable blue luminescence of wurtzite Mg _xZn _1-xO thin films

Yusuke Ogawa, Shinobu Fujihara

Department of Applied Chemistry

Research output: Contribution to journal › Article › peer-review

39 Citations (Scopus)

Abstract

We have demonstrated that sol-gel-derived wurtzite-type Mg _xZn _1-xO films can exhibit reproducible blue emissions after heat treatments in a reducing atmosphere. Furthermore, the emission colors could be finely tuned by changing the Mg content x and band-gap values. In contrast, the films showed orange emissions when they were heated in an oxidizing atmosphere. Our results then provided new insight into the mechanism of the visible emissions of ZnO.

Original language	English
Pages (from-to)	1825-1828
Number of pages	4
Journal	Physica Status Solidi (A) Applications and Materials Science
Volume	202
Issue number	9
DOIs	https://doi.org/10.1002/pssa.200520053
Publication status	Published - 2005 Jul 1

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Electrical and Electronic Engineering
Materials Chemistry

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Band-gap modification and tunable blue luminescence of wurtzite Mg _xZn _1-xO thin films

Abstract

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