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Synthesis and Luminescent Property of Nanocrystalline Phosphors via Solvothermal Processes

Published online by Cambridge University Press:  26 February 2011

Chien-Yuen Tung ,
Shyue-Ming Chang  and
Teng-Ming Chen
Chien-Yuen Tung
Affiliation:
harrisontung@itri.org.tw, Industrial Technology Research Institute, Material and Chemical Research Laboratories, Rm.109A,Bldg.23,321 Kuang Fu Road Sec.2, Hsinchu, 30011, Taiwan, 886-3-5732464, 886-3-5732361
Shyue-Ming Chang
Affiliation:
bills_jang@itri.org.tw, Industrial Technology Research Institute, Material and Chemical Research Laboratories, Rm.109A,Bldg.23,321 Kuang Fu Road Sec.2, Hsinchu, 30011, Taiwan
Teng-Ming Chen
Affiliation:
tmchen@mail.nctu.edu.tw, National Chiao Tung University, Hsinchu, Phosphors Research Laboratory, Department of Applied Chemistry, Ta Hsueh Road, Hsinchu, 1001, Taiwan
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Abstract

We have synthesized a series of nanocrysatlline (5±3 nm in diameter) and submicrom ZnS:Ag,Al phosphors with various dopant compositions via a newly developed emulsion method. The X-ray diffraction (XRD), EDS, SEM, and TEM were utilized in the characterization of phase purity and microstructure of phosphor particles. Photoluminescence (PL) and cathodoluminescence (CL) spectra were also utilized to characterize the optical properties of blue-emitting phosphor. The CL intensity of submicron ZnS:Ag,Al phosphor was found to be weaker than that of corresponding commercial product, which was attributed to the poor crystallinity and small grain size. In this article we described the synthesis of ZnS:Ag,Al nanophosphor with emphasis on the correlation between spectroscopic features and the microstructure.

Keywords

crystal growthluminescencephotoemission
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 988: Symposium QQ – Solid-State Chemistry of Inorganic Materials VI , 2006 , 0988-QQ06-25
Copyright
Copyright © Materials Research Society 2007

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