辽宁石油化工大学学报

辽宁石油化工大学学报 ›› 2009, Vol. 29 ›› Issue (1): 45-47.

• 石油化工 • 上一篇    下一篇

pH 值及胶凝方式对Sol-Gel制备TiO2 相变的影响

张静,张丹   

  1. 辽宁石油化工大学化学与材料科学学院,辽宁抚顺113001
  • 收稿日期:2008-11-17 出版日期:2009-03-25 发布日期:2017-07-05
  • 作者简介:张静(1980- ),女,内蒙古兴安盟乌兰浩特市,博士

lnfluence of pH Value and Route From Sol to Gel on the Phase Transition of TiO2 Prepared by Sol-Gel

ZHANG Jing, ZHANG Dan   

  1. School of Chemistry and Materials Science,Liaoning University of Petroleum & Chemical Technology,Fushun Liaoning 113001
  • Received:2008-11-17 Published:2009-03-25 Online:2017-07-05

摘要: 以钛酸丁酯为前驱物,用溶胶-凝胶法制得了TiO2纳米粒子,并探讨了溶胶-凝胶过程中pH 值及
胶凝方式对TiO2 相变的影响。结果表明,pH 值越小,从锐钛矿到金红石开始相变的温度就越低;采用真空胶凝方
式,明显抑制了TiO2 的相变,而采用红外胶凝方式明显促进TiO2 的相变。

关键词: 溶胶-凝胶 , TiO2 , 相变

Abstract: With Ti(OBu)4 as precursor, nanoTiO2 particle was prepared by Sol-Gel method. The temperature of phase transition was studied under different conditions. The results showed that, the beginning temperature of the phase transition is lower when nanoTiO2 was prepared at lower pH value. When vacuum dry was used, the phase transformation was inhibited obviously. However, the phase transformation was accelerated when infrared dry was used.

Key words: Sol-Gel ,  TiO2 , Phase transition

引用本文

张静,张丹. pH 值及胶凝方式对Sol-Gel制备TiO2 相变的影响[J]. 辽宁石油化工大学学报, 2009, 29(1): 45-47.

ZHANG Jing, ZHANG Dan. lnfluence of pH Value and Route From Sol to Gel on the Phase Transition of TiO2 Prepared by Sol-Gel[J]. Journal of Liaoning Petrochemical University, 2009, 29(1): 45-47.

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