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V2O5薄膜电荷储存特性研究

Investigation of Charge Storage Properties in V2O5 Thin Films

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【作者】 吴广明吴永刚倪星元周箴张慧琴金哲民吴翔

【Author】 WU Guangming; WU Yonggang; Ni Xingyuan;ZHOU Zhen; ZHANG Huiqin; JIN Zhemin; WU Xiang(Pohl Institute of Solid State Physics, Tongji University Shanghai 200092 China)

【机构】 同济大学波耳固体物理研究所!上海200092同济大学波耳固?

【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.

【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.

【关键词】 薄膜V2O5电化学电致变色
【Key words】 thin filmV2O5electrochemistryelectrochromism
  • 【文献出处】 无机材料学报 ,JOURNAL OF INORGANIC MATERIALS , 编辑部邮箱 ,1997年04期
  • 【分类号】O484
  • 【被引频次】17
  • 【下载频次】123
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