PREPARATION OF TIO2-B2O3 COATING BY THE SOL-GEL METHOD

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题名:	PREPARATION OF TIO2-B2O3 COATING BY THE SOL-GEL METHOD
作者:	HSIEH,CW;CHIANG,AST;LEE,CC;YANG,SJ
贡献者:	化學工程與材料工程學系
关键词:	THIN-FILMS;ALKOXIDES;GLASSES
日期:	1992
上传时间:	2010-06-29 17:35:30 (UTC+8)
出版者:	中央大學
摘要:	Mixed sol of TiO2-B2O3 was prepared from titanium sec-butoxide and boric acid. This sol could be aged into a clear gel, or dip coated into a transparent film. X-ray diffraction studies on the dried gel show that the transformation from anatase to rutile structure began below 500-degrees-C. This temperature is less than the case of pure TiO2. Based on Fourier transform infrared spectra, it is suggested that, after annealing, most boron is in orthoborate groups, the amount of which increases with increasing annealing temperature. The addition of B2O3 also changed the refractive index of the film produced by dip coating, and increased its transmittance in the wavelength range below 550 nm. In addition, it increased the alkaline and acid resistance of the film. Unlike the sol prepared from boron alkoxide, the sol prepared from boric acid was less affected by the atmospheric humidity during the coating process.
關聯:	JOURNAL OF NON-CRYSTALLINE SOLIDS
显示于类别:	[化學工程與材料工程研究所] 期刊論文

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