Tribological behavior of in situ Ag nanoparticles/polyelectrolyte composite molecular deposition films

被引：25

作者：

Guo, Yanbao ^{[1
]}

Wang, Deguo ^{[1
]}

Liu, Shuhai ^{[1
]}

机构：

[1] China Univ Petr, Fac Mech & Elect Engn, Beijing 102249, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2010年 / 256卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Polyelectrolyte; In situ Ag nanoparticles; Molecular deposition film; Tribology; LAYER; NANOPARTICLES; SIZE; ACID; DNA;

D O I：

10.1016/j.apsusc.2009.09.100

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：

Multilayer polyelectrolyte films containing silver ions were obtained by molecular deposition method on a glass plate or a quartz substrate. The in situ Ag nanoparticles were synthesized in the multilayer polyelectrolyte films which were put into fresh NaBH4 aqueous solution. The structure and surface morphology of composite molecular deposition films were observed by UV-vis spectrophotometer, Xray photoelectron spectroscopy (XPS) and atomic force microscopy (AFM). Tribological characteristic was investigated by AFM and micro-tribometer. It was found that the in situ Ag nanoparticles/polyelectrolyte composite molecular deposition films have lower coefficient of friction and higher anti-wear life than pure polyelectrolyte molecular deposition films. (C) 2009 Elsevier BV. All rights reserved.

引用

页码：1714 / 1719

页数：6

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