Journal of Inorganic Materials

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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

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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