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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 16    No. 6    December 2006

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Preparation of ITO transparent conductive film by sol-gel method
LI Zhi-hua(李芝华)1, REN Dong-yan(任冬燕)2

1. School of Materials Science and Engineering, Central South University,
 Changsha 410083, China; 
2. Department of Materials Engineering, Mian Yang Vocational and Technical College, Mianyang 621000, China

Abstract: The ITO transparent conductive films were prepared on substrate of quartz glass by sol-gel method. The raw materials were nitrate indium, acetylacetone and the dopant of anhydrous chloride (SnCl4). The process from gel to crystalline film and the microstructure of the films were investigated by DTA-TG, XRD and SEM. The influence of preparation processes on the electricity performance of the films was also studied by four-probe apparatus. The results show that the crystallization process of ITO xerogel completes when the heat treatment temperature reaches 600 ℃. The ITO films possesses on vesicular structures accumulated by spherical particles, and both heat treatment temperature and cooling rate have important effects on the resistivity of ITO films.

 

Key words: ITO film; sol-gel process; resistivity; transparency

ISSN 1672-7029
CN 43-1423/U

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