In situ approach induced growth of highly monodispersed Ag nanoparticles within free standing PVA/PVP films

被引：66
作者：
Eisa, Wael H.
Abdel-Moneam, Yasser K. [1 ]
Shabaka, A. A.
Hosam, Abd ElHameed M. [1 ]
机构：
[1] Menoufia Univ, Fac Sci, Dept Chem, Menoufia, Egypt
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2012年 / 95卷
关键词：
In situ approach; Polymer nanocomposite; Silver nanoparticle; PVA; PVP; SILVER NANOPARTICLES; PVP; NANOCOMPOSITES; COMPOSITES; MATRIX;
D O I：
10.1016/j.saa.2012.03.085
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
Ag nanoparticles supported within polyvinyl alcohol (PVA)/polyvinyl pyrrolidone (PVP) films have been successfully synthesized using novel in situ method. PVA and PVP acted as stabilizer and polyol reductant, respectively. The successful incorporation of silver nanoparticles in PVA/PVP matrix was confirmed by UV-Vis spectroscopy, X-ray diffraction (XRD), transmission electron microscope (TEM) and Fourier transform infrared (FTIR) spectroscopy. It was found that PVA/PVP-stabilized silver nanocomposite film revealed the presence of well-dispersed and spherical silver nanoparticles with an average diameter of 30 nm, while the particle sizes were reduced as the PVP percentage increased. A possible formation mechanism of Ag nanoparticles is also proposed in this article. (C) 2012 Elsevier B.V. All rights reserved.
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收藏
页码：341 / 346
页数：6
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