The injection of Ag nanoparticles on surface of WO3 thin film: enhanced electrochromic coloration efficiency and switching response

被引：63
作者：
Hoseinzadeh, S. [1 ]
Ghasemiasl, R. [1 ]
Bahari, A. [2 ]
Ramezani, A. H. [3 ]
机构：
[1] Islamic Azad Univ, West Tehran Branch, Dept Mech Engn, Tehran, Iran
[2] Univ Mazandaran, Fac Basic Sci, Dept Phys, Babol Sar, Iran
[3] Islamic Azad Univ, West Tehran Branch, Dept Phys, Tehran, Iran
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2017年 / 28卷 / 19期
关键词：
OPTICAL-PROPERTIES; NANOCOMPOSITE; COPOLYMER; POSITION;
D O I：
10.1007/s10854-017-7357-9
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An electrochromic (EC) thin film based on composite of tungsten oxide and Ag nanoparticles was prepared by physical vapor deposition (PVD) method. In this method, WO3 nanoparticles powder with uniform rate was deposited in vacuum on fluorine doped tin oxide (FTO) coated glass substrate. The Ag nanoparticles powder was utilized to decorate the surface of WO3 thin film by using PVD method. The EC thin film was annelid to inject the Ag nanoparticles into the surface of thin film. The EC nanocomposite thin film with the approximate thickness of 315 nm and smooth surface was obtained. EC properties of WO3-Ag thin film was investigated by cyclic voltammetry (CV) and the visible transmittance to compare the existence of Ag nanoparticles beside WO3 nanoparticles by PVD method. Also, the optical response and coloration efficiency (CE) of samples were investigated. In particular, a significant optical modulation (39.65% at 632.8 nm) and high CE (74.2 cm(2)/C at 632.8 nm) are achieved that are much better than thin film only composed of WO3.
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收藏
页码：14855 / 14863
页数：9
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