Radiation-induced preparation of bimetallic nanoparticles in the films of interpolyelectrolyte complexes

被引：12

作者：

Klimov, Dmitry I. ^{[1
]}

Zezina, Elena A. ^{[2
]}

Zezin, Sergei B. ^{[2
]}

Yan, Mingshu ^{[3
]}

Wang, Feng ^{[3
]}

Shvedunov, Vasiliy I. ^{[4
]}

Feldman, Vladimir I. ^{[1
,2
]}

Zezin, Alexey A. ^{[1
,2
]}

机构：

[1] Russian Acad Sci, Enikolopov Inst Synthet Polymer Mat, Profsoyuznaya Ul 70, Moscow 117393, Russia

[2] Lomonosov Moscow State Univ, Dept Chem, Moscow 119991, Russia

[3] Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China

[4] Lomonosov Moscow State Univ, Skobeltsyn Inst Nucl Phys, Moscow 119991, Russia

来源：

RADIATION PHYSICS AND CHEMISTRY | 2018年 / 142卷

关键词：

Core-shell bimetallic nanoparticles; Radiation-induced reduction; Metal polymer nanocomposites; Interpolyelectrolyte complexes; AQUEOUS-SOLUTIONS; POLYELECTROLYTE MULTILAYERS; METAL NANOPARTICLES; INDUCED REDUCTION; SILVER PARTICLES; COPPER(II) IONS; CLUSTERS; SHELL; SIZE; NUCLEATION;

D O I：

10.1016/j.radphyschem.2017.02.034

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The bimetallic nanostructures are of considerable interest for various prospective applications. This paper reports a generation of the Cu/Ag and Cu/Au nanoparticles in the interpolyelectrolyte films irradiated in aqueous media. It was shown that the radiation-induced reduction of (Cu/Ag) or (Cu/Au) ions in the matrix of poly(acrylic acid)-polyethylenimine complexes led to formation of the nanoparticles with narrow size distribution. The core-shell structure of nanoparticles was demonstrated by the TEM results. According to the X-ray diffraction data, the nanoparticle cores (Ag or Au) are formed at early stage of irradiation, while increase of the absorbed dose results in the growth of copper shell. It was demonstrated that the radiation induced reduction could be applied for effective preparation of bimetallic nanoparticles directly in the polymer matrix.

引用

页码：65 / 69

页数：5

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