期刊
ADVANCED SCIENCE LETTERS
卷 3, 期 2, 页码 138-143出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/asl.2010.1099
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-
资金
- Department of Science and Technology [SR/WOS-A/PS-15/2005]
We present a simple and eco-friendly biosynthesis of silver nanoparticles using Coriandrum sativum leaf extract as reducing agent The aqueous silver ions when exposed to leaf extract were reduced and resulted in silver nanoparticles whose average size was 26 nm The silver nanoparticles were characterized by UV-Visible. X-ray diffraction (XRD), Fourier transform infra-red spectroscopy (FT-IR) and transmission electron microscopy (TEM) techniques Nonlinear optical properties of silver nanoparticles were studied using Z-scan technique with 6 ns pulse duration at 532 nm The nonlinear refractive index and third-order susceptibility vertical bar chi(3)vertical bar were measured to be -6 0 x 10(-13) cm(2)/W and 1 38 x 10(-9) esu, respectively Silver nanoparticles were found to exhibit strong reverse saturable absorption (RSA) RSA was identified as the main mechanism responsible for optical limiting
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