The photon-driven hydrophilicity of titania:: A model study using TiO2(110) and adsorbed trimethyl acetate

被引：119

作者：

White, JM ^{[1
]}

Szanyi, J ^{[1
]}

Henderson, MA ^{[1
]}

机构：

[1] Univ Texas, Dept Chem & Biochem, Austin, TX 78712 USA

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 2003年 / 107卷 / 34期

关键词：

D O I：

10.1021/jp0345046

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The behavior of H2O on clean and trimethyl acetate (TMA)-covered TiO2(110)-(1 X 1), prepared with or without oxygen vacancies and associated Ti3+, reveals the hydrophilic nature of clean surfaces and the hydrophobic nature of TMA-covered surfaces. UV irradiation of a hydrophobic surface in the presence of 10(-6) Torr of O-2 removes TMA and rapidly restores hydrophilicity. The presence of oxygen atom vacancies does not delectably alter the hydrophilicity of either clean or TMA-covered TiO2(110).

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收藏

页码：9029 / 9033

页数：5

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