XPS Investigation on Nano-TiO2 Modified by Titanate Coupling Agent

摘要：

　　Nano-TiO2 was modified with a titanate coupling agent,LICA38 neopentyl (dially) oxy,tri (-dioctyl) pyrophosphate titanate.X-ray photoelectron spectroscopy (XPS) was used to evaluate the surface characteristics of the bare and the modified nano-TiO2.It was demonstrated that the carbon content of the bare TiO2 is 37.9 atm.%,and that of the modified TiO2 is 47.2 atm.%.Moreover,the density of the-C-H (-C-C) and-C-O groups increases due to modification,and the atomic percentage of C=O and-OH groups reduces.These results indicate that the-C-H (-C-C) and-C-O groups from LICA38 have been introduced to the surface of nano-TiO2 by coupling reaction with the hydroxyl groups.

关键词： Nano-TiO2 Modification Titanate coupling agent X-ray photoelectron spectroscopy

作者: Zhang Dong-mei Yang Hai-li Yu Shou-wu Sang Xiao-ming

作者单位: College of Material Science and Engineering,Hebei Polytechnic University,Tangshan,Hebei 063009,China College of Metallurgy and Energy,Hebei Polytechnic University,Tangshan,Hebei 063009,China

会议类型: 国际会议

会议名称: The Fifth China International Conference on High-Performance Ceramics (第五届先进陶瓷国际研讨会(CICC-5))

会议地点: 长沙

会议语种:英文

页码: 1477-1479

在线出版日期: 2007-05-10（万方平台首次上网日期，不代表论文的发表时间）