Thermionic emission as a tool for measuring the work function of anodic titanium dioxide

• 来源期刊: 中国科学:物理学 力学 天文学（英文版）
• 年，卷（期）: 2018,（2）
• 页码范围: 72-75
• 页数: 4页
• 语种: 英文

摘要

Titanium dioxide (TiO2) is being extensively applied in such fields as photocatalysis,sensing,photoelectrolysis,and photovoltaics [1].The work function (WF) of a material is one of the vital factors that determine the performance of this material in electron emission,chemical reaction,surface atomic reconstruction,trapping,and recombination of photogenerated electrons and holes,interface interaction,and corrosion resistance [2,3].The WF of metallic Ti is an old topic and abundant data are available [4-7].In contrast,reports on the WF of TiO2 are relatively rare [2,3,8-10].