期刊
CHEMICAL PHYSICS LETTERS
卷 479, 期 1-3, 页码 100-104出版社
ELSEVIER
DOI: 10.1016/j.cplett.2009.07.109
关键词
-
资金
- Council of Scientific and Industrial Research (CSIR), New Delhi
Tuning of the surface plasmon resonance (SPR) band of Au-0 (587-611 nm) has been demonstrated by controlling the refractive index (1.8349-2.0006) of the encapsulating matrix in a new series of nano-Au-0-antimony glass (K2O-B2O3-Sb2O3) dichroic devitrified composites. They have been synthesized by a single-step melt-quench in situ thermochemical reduction technique without using any external reducing agent or additional processing step. Dichroic behavior is due to elliptical shape of Au-0 nanoparticles having 13-18 nm size range and aspect ratio about 1.2 according to transmission electron microscopic image. X-ray and selected area electron diffractions manifest the growth of (1 1 1) and (2 0 0) crystallographic planes of Au. (C) 2009 Elsevier B. V. All rights reserved.
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