Effective Increasing Of Optical Absorption Of Tio2 By Introducing Trivalent Titanium

Yanfei Zhao,Tingjun Hou,Youyong Li, Kin Shing Chan,Shuittong Lee

APPLIED PHYSICS LETTERS（2013）

引用 16|浏览8

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摘要

We investigate the role of hydrogenation on titanium dioxide (TiO2) by using DFT+U calculations. We find that hydrogenation on oxygen is more favorable than on titanium, which reduces Ti4+ into Ti3+ on the surface and introduces mid-gap state into TiO2 for enhanced optical absorption. (C) 2013 AIP Publishing LLC.

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关键词

optical absorption,trivalent

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