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纳米锑掺杂二氧化锡(ATO)水凝胶的水热法制备以及ATO导电薄膜的透明和隔热性能

Wenhao ZHANG, Yanliang LI, Yanjie GAO,Xiaowei ZHAO,Weixun WANG,Wei GUO,Jianhui GUO,Jingwei ZHANG

Chemical Research（2018）

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Abstract
以醋酸盐共沉淀法制备了锑掺杂二氧化锡(ATO)湿凝胶;将其作为前驱体,在一定温度下经水热法得到ATO水凝胶.考察了前驱体洗涤程度,水热反应温度、pH以及煅烧温度对ATO水凝胶导电性能的影响.进而将酸性条件下得到的ATO水凝胶制备成导电薄膜,考察了其透明和隔热性能.结果表明:前驱体洗涤程度对ATO水凝胶导电性能的影响不大;随着水热反应温度的升高,水凝胶导电性能改善;当凝胶煅烧温度提高到600℃时,ATO样品的电阻率为0.8 Ω· cm.此外,ATO导电薄膜的可见光透过率达85%,红外光吸光率为53%,显示出优异的透明和隔热性能.
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Key words
antimony doped tin oxide,hydrogel,hydrothermal method,preparation,heat-insulation performance
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