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无机材料学报

无机材料学报

• 研究论文 • 上一篇    下一篇

V2O5薄膜电荷储存特性研究

吴广明; 吴永刚; 倪星元; 周箴; 张慧琴; 金哲民; 吴翔   

  1. 同济大学波耳固体物理研究所; 上海200092
  • 收稿日期:1996-05-27 修回日期:1996-07-01 出版日期:1997-08-20 网络出版日期:1997-08-20

Investigation of Charge Storage Properties in V2O5 Thin Films

WU Guangming; WU Yonggang; Ni Xingyuan; ZHOU Zhen; ZHANG Huiqin; JIN Zhemin; WU Xiang   

  1. Pohl Institute of Solid State Physics; Tongji University Shanghai 200092 China
  • Received:1996-05-27 Revised:1996-07-01 Published:1997-08-20 Online:1997-08-20

PDF (PC)

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摘要： 本文采用真空蒸发制备了V2O5薄膜，用电化学方法从Li离子电解质中向V2O5薄膜注入Li离子.研究了V2O5薄膜中Li离于储存特性、注入／退出可逆性以及电荷注入对其光学性能的影响．实验结果表明，V2O5薄膜具有较好的Li离子储存特性和注入／退出可逆性，Li离子的注入量受到膜中V5+的含量以及锂离子可占据的总位置数限制，而且离子注入后V2O5薄膜的光学性能变化较小．

关键词: 薄膜, V2O5, 电化学, 电致变色

Abstract: Lithium was inserted electrochemically from an electrolyte into V2O5 thin films prepared by evaporation and posttreated at different temperatures in air
so that LixV2O5 was obtained. Li+ storage properties, reversibiliy of Li+ intercalation/deintercalation in V2O5 thin films and influence of
Li+ insertion on their optical properties were investigated. The experimental results show that two factors, the V5+ concentration and the sum total of
sites in V2O5 thin films, control the capacity of Li+ insertion into V2O5 thin films, and that these thin films have a good Li+ storage characteristic,
stability and reversibility.

Key words: thin film, V2O5, electrochemistry, electrochromism