Luminescence Study of ZnS Quantum Dots Prepared by Chemical Method

We report synthesis of ZnS quantum dots by chemical method at room temperature. In this technique, ZnS quantum dots are produced by simple chemical reactions where zeolite, acts as matrix, plays the key role in controlling particle growth during synthesis. Quantum dots exhibit luminescence propertie...

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Bibliographic Details
Published in:Journal of dispersion science and technology 2009-08, Vol.30 (7), p.1111-1113
Main Authors: Nath, S. S., Chakdar, D., Gope, G., Talukdar, A., Avasthi, D. K.
Format: Article
Language:English
Subjects:
Blue shift
Chemistry
Colloidal state and disperse state
electroluminescence
Exact sciences and technology
General and physical chemistry
Ion-exchange
quantum dots
Surface physical chemistry
Zeolites: preparations and properties
Zn vacancy
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Summary:We report synthesis of ZnS quantum dots by chemical method at room temperature. In this technique, ZnS quantum dots are produced by simple chemical reactions where zeolite, acts as matrix, plays the key role in controlling particle growth during synthesis. Quantum dots exhibit luminescence properties such as Zn 2+ related emission, efficient low voltage electroluminescence, and super linear voltage-brightness EL characteristics. This study demonstrates the technological importance of semiconductor nanosystems prepared by low cost chemical route.
ISSN:0193-2691
1532-2351
DOI:10.1080/01932690802548510