摘要
采用有机分子自组装(Self-Assembly)成膜技术将硅烷偶联剂[(CH_3O)_3Si(CH_2)_3SH]组装在普通的玻片表面,得到二维有序的单层有机膜,并将膜端基(SH)原位氧化为磺酸基(SO_3H).利用该功能基(SO_3H)的吸附性,从四氯化钛的水溶液中淀积制得了TiO_2薄膜.X射线光电子能谱(XPS)和原子力显微镜(AFM)等研究显示,TiO_2薄膜是均匀和连续的,具有良好的透明性.
Single layer of 3 - mercaptopropyltrimethoxysilane (KH - 590) bearing -SH functional groups was assembled onto the hydroxylated surface of glass. The terminal -SH groups at the exposed surface were oxidized in situ into sulfonic acid groups. The acidity and net negative charge of the sulfonate surface promote the hydrolysis and surface attachment of solvated titanium containing species to form TiO2 thin films. Characterization using XPS and AFM shows that the TiO2 films have excellent adherence, pore - free, and fine transparency.
出处
《化学学报》
SCIE
CAS
CSCD
北大核心
1998年第5期417-422,共6页
Acta Chimica Sinica
基金
国家自然科学基金
关键词
自组装
单层膜
二氧化钛薄膜
二氧化钛膜
silocane coupling reagents, self-assembled monolayer (SAMs), Tio2 thin films, surface functional groups
