薄膜厚度对V_2O_5薄膜电致变色性能的影响  

The Influence of Film Thickness on the Electrochromic Property of V_2O_5 Films

作　　者：张雪峰[1] 杨绍利[1] 李会容[2] 

机构地区：[1]攀枝花学院材料工程学院,四川攀枝花617000 [2]攀枝花学院电气信息工程学院,四川攀枝花617000

出　　处：《四川师范大学学报（自然科学版）》2009年第2期243-245,共3页Journal of Sichuan Normal University（Natural Science）

基　　金：四川省应用基础研究基金(2007J13-005)资助项目

摘　　要：采用溶胶-凝胶法制备V_2O_5薄膜,研究了薄膜厚度对V_2O_5薄膜电阻率、透射率和电致变色性的影响.研究结果表明:随着薄膜厚度的增大,V_2O_5薄膜的表面电阻率总体上呈降低趋势,而当厚度大于20μm时,薄膜的电阻率趋于常数.V_2O_5薄膜透光性能随厚度的增加而降低.随薄膜厚度增加,V_2O_5薄膜的变色效率提高.In this paper, the influences of film thickness on the electrochromic properties, such as resistivity, transimittance and electrochromic property of the V2O5 films prepared by sol-gel method are investigated. The results show that, with the increase of film thickness, the resistivity of the V2O5 films decreases. However, when the fihn thickness is bigger than 20 μm, the resistivity of the V2O5 films does not change anymore. With the increase of film thickness, the transimittance of the V2O5 film decreases, but the electrochromic efficiency is improved.

关 键 词：V2O5薄膜 电致变色 溶胶-凝胶 电阻率 透射率 

分 类 号：TB32[一般工业技术—材料科学与工程]