期刊
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
卷 377, 期 1-3, 页码 356-360出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.colsurfa.2011.01.042
关键词
Microwave; Silver nanoparticles; Copolymer; Microgel
资金
- KAIN
- King Abdul Aziz City for Science & Technology (KACST) [10-NAN1008-02]
Microgel particles based on poly(N-isopropylacrylamide-co-acrylic acid) were prepared by emulsion polymerization in the presence of N,N'-methylenebisacrylamide. The microwave technique was adopted for the preparation of highly stable and monodisperse silver nanoparticles (Ag NPs) using these microgels as a template via in situ reduction of silver nitrate in the presence of glucose as a reducing agent. The prepared NPs were characterized by UV-vis spectroscopy, field emission scanning electron microscopy, transmission electron microscopy. Fourier transform IR, and X-ray diffraction. The formation of Ag NPs was confirmed by the appearance of a surface plasmon absorption maximum at 429 nm. TEM showed that the spherical particles had an average diameter of 8.5 nm. The as-prepared Ag NPs were stable for more than 8 months at room temperature. (C) 2011 Elsevier B.V. All rights reserved.
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