Table of Contents Author Guidelines Submit a Manuscript
Journal of Chemistry
Volume 2013, Article ID 959765, 6 pages
http://dx.doi.org/10.1155/2013/959765
Research Article

Ultrasound and Microwave Coassisted Synthesis and Luminescent Properties of (Ln = La, Gd; ) Phosphors

1School of Chemistry & Environment, South China Normal University, Guangzhou 510006, China
2Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, School of Chemistry & Environment, South China Normal University, Guangzhou 510006, China
3Guangdong Technology Research Center for Ecological Management and Remediation of Urban Water System, Guangzhou 510006, China

Received 4 May 2013; Revised 26 July 2013; Accepted 15 August 2013

Academic Editor: Sylvain Franger

Copyright © 2013 Jing Hu and Qianming Wang. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

In order to control reaction temperature and reduce processing time, a new method of ultrasound irradiation with microwave heating was used to synthesize (Ln = La, Gd; ) phosphors at only 80°C in 30 minutes. Their crystal structures and morphologies which have been verified by X-ray diffraction (XRD) and scanning electron microscopy (SEM) exhibited gradual changes due to the insertion of lanthanide ions (La or Gd) in calcium molybdates. Codoping of lanthanum ions ( ) would enhance the emission intensities that were supported by fluorescent spectrophotometry (FL).