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Optical absorption and luminescence study of ZnS quantum dots
D. Chakdar, G. Gope, A. Talukdar, D.K. Avasthi, S.S. Nath
Research Scholor, IN
Keywords:
quantum dots, blue shift, Zn vacancy, electroluminescence
Abstract:
We report here ZnS quantum dots synthesized by chemical method at room temperature. In this technique ZnS quantum dots are produced by simple chemical reactions where Zeolite, acting as matrix, plays the key role in controlling particle growth during synthesis and irradiation. The nanodots exhibit self-assembly dependent luminescence properties such as Zn2+ related emission, efficient low voltage electroluminescence (EL) and super linear voltage-brightness EL characteristics. This study demonstrates the technological importance of aggregation based self assembly in semiconductor nanosystems.
Nanotech 2008 Conference Program Abstract
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