Issue 24, 2011
From the journal:

Journal of Materials Chemistry

Blue/near UV light emission from hybrid InN/TiO2nanoparticle films

Chih-Wei Wu,a   Chih-Wei Lu,a   Yuan-Pern Lee,a   Yu-Jong Wu,*b   Bing-Ming Chengb  and  M. C. Lin*a  

* Corresponding authors

a Department of Applied Chemistry and Institute of Molecular Science, National Chiao Tung University, 1001, Ta-Hsueh Road, Hsinchu, Taiwan
E-mail: chemmcl@emory.edu

b National Synchrotron Radiation Research Center, 101 Hsin-Ann Road, Hsinchu Science Park, Hsinchu, Taiwan
E-mail: yjwu@nsrrc.org.tw

Abstract

We report on the enhancement of photoluminescence (PL) from anatase TiO2 thin films covered by InN nanoparticles prepared using plasma enhanced chemical vapor deposition (PECVD). The SEM images and X-ray diffraction spectra illustrate the strong interaction between the InN particles and the TiO2 films. UV-Vis absorption spectra indicate that the InN particles have an increased absorption in the visible light region and may sensitize the TiO2 films. The strong PL band observed in the anatase TiO2 thin films with the addition of InN may have been due to an increased localization of impurities and/or defect-trapped excitons.

Graphical abstract: Blue/near UV light emission from hybrid InN/TiO2 nanoparticle films

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Article information

DOI
https://doi.org/10.1039/C1JM11437A
Article type
Communication
Submitted
06 Apr 2011
Accepted
26 Apr 2011
First published
17 May 2011

J. Mater. Chem., 2011,21, 8540-8542

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Blue/near UV light emission from hybrid InN/TiO2 nanoparticle films

C. Wu, C. Lu, Y. Lee, Y. Wu, B. Cheng and M. C. Lin, J. Mater. Chem., 2011, 21, 8540 DOI: 10.1039/C1JM11437A

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