无机材料学报

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纳米TiO2膜的制备及电学性能研究

王浚; 高濂; 宋哲; 周伟   

  1. 上海硅酸盐研究所高性能陶瓷与超微结构国家重点实验室; 上海 200050
  • 收稿日期:1997-12-29 修回日期:1998-01-15 出版日期:1998-12-20 网络出版日期:1998-12-20

Preparation of Nano-TiO2 Thick Film and its Electrical Properities

WANG Jun; GAO Lian; SONG Zhe; ZHOU Wei   

  1. State Key Lab of High Performance Ceramics Superfine Microstructure; Shanghai Institute ofCeramics; Chinese Academy of Sciences Shanghai 200050 China
  • Received:1997-12-29 Revised:1998-01-15 Published:1998-12-20 Online:1998-12-20

摘要: 本文通过采用丝网印刷法制备了以)α-Al2O3基片为衬底的纳米和微米级TiO2厚膜,气敏性测试表明,纳米TiO2膜的电阻略高于微米TiO2膜,在实验温度范围内,电阻随氧分压的变化率明显高于微米膜,同时还以XRD,SEM对膜材料的结构和形貌进行了表征.

关键词: 纳米TiO2, 电阻, 气敏性, 传感器, 厚膜

Abstract: Nano-TiO2 and micro-TiO2 thick films were prepared on a-Al2O3 substrates by silk netlithograph method, the measured film resistance of nano-TiO2 was higher than that of micro-TiO2 in experimental temperature range, nano-TiO2 film demonstrated more change as the O2 partialpressure changed. XRD and SEM were also used to characterize the stucture of the prepared films.

Key words: nano-TiO2, resistance, gas sensitivity, sensor, thick film

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