TiO2/SnO2纳米晶膜的制备及其电学性能研究

无机材料学报, 2013, 28(11): 1233-1236. doi: 10.3724/SP.J.1077.2013.13104

TiO2/SnO2纳米晶膜的制备及其电学性能研究

1.电子科技大学电子薄膜与集成器件国家重点实验室,成都610054;攀枝花学院钒钛资源综合利用四川省重点实验室,攀枝花617000

2.攀枝花学院钒钛资源综合利用四川省重点实验室,攀枝花,617000

3.攀枝花学院钒钛资源综合利用四川省重点实验室,攀枝花,617000

4.攀枝花学院钒钛资源综合利用四川省重点实验室,攀枝花,617000

基金项目: Program for New Century Excellent Talents in Univesity(NECT-10-0946) 教育部新世纪优秀人才支持计划(NECT-10-0946) China Postdoctoral Science Foundation(2011M501294) Science and Technology Innovation Research Team Construction Project of Sichuan Province(2011JTD0039) 国家博士后基金(2011M501294) 四川省科技创新研究团队建设项目(2011JTD0039)

关键词：染料敏化太阳能电池 , TiO2光阳极 , SnO2 , J-V曲线 , 转化效率

Preparation and Electrical Properties of TiO2/SnO2 Nanocrystalline Films

Keywords： dye-sensitized solar cell , TiO2 photoanode , SnO2 , J-V curve , conversion efficiency

采用丝网印刷的方式制备了TiO2纳米晶薄膜,然后在其上采用浸泡的方式制备了SnO2纳米晶薄膜,形成TiO2/SnO2膜结构的光阳极并应用于染料敏化太阳能电池.用SEM对样品进行了结构形貌分析,用电化学工作站研究表征了SnO2的浸泡溶液浓度和浸泡时间对光阳极的调制改性作用.SEM分析表明在TiO2纳米晶薄膜表面生长的SnO2纳米晶薄膜晶粒比TiO2更加细小,电学性能研究表明TiO2薄膜经过0.4 mol/L SnO2溶液浸泡处理50 min能对TiO2薄膜的结构及性能起到很好的改善作用,电池的光电转化效率提高了约7％.

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