期刊
MATERIALS LETTERS
卷 178, 期 -, 页码 115-119出版社
ELSEVIER
DOI: 10.1016/j.matlet.2016.04.120
关键词
Carbon materials; Nanoparticles; Nanocomposites; Functional
资金
- Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA)-University of Guelph Bioeconomy-Industrial uses Research Program [200371]
- Ministry of Economic Development and Innovation (MEDI), Ontario Research Fund - Research Excellence Round - 4 Program [050289]
- Natural Sciences and Engineering Research Council (NSERC), Canada [400320]
- NSERC Networks of Centres of Excellence (NCE) [460373, AUTO21]
Soy leaf extract mediated bioreduction process has been successfully employed for the decoration of graphene sheets with silver nanoparticles. Silver content on the graphene sheets has been varied by manipulating the silver nitrate concentration in the reaction mixture. Using transmission electron microscopy, it has been found that the silver nanoparticles deposited on the graphene sheets existed in spherical shape with the diameter range of 2-25 nm. The crystalline features of the graphene samples with silver nanoparticles were investigated by means of X-ray diffraction. XRD patterns illustrated the co-existence of graphene and silver phases, in which, the silver nanoparticles found with the cubic crystal structure with a lattice constant of 4.0853 angstrom. SEM-EDS analysis was utilized to analyze the silver content of the samples. It was shown with an increase in silver nitrate concentration from 1 mM to 5 mM, the silver content in the samples increased from 0.35% to 1.05%. (C) 2016 Published by Elsevier B.V.
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