Effect of shape-driven intrinsic surface defects on photocatalytic activities of titanium dioxide in environmental application

Sun Hee Yoon,Rand Elshorafa, Mary Katbeh,Dong Suk Han,Hye Won Jeong,Hyunwoong Park,Ahmed Abdel-Wahab

Applied Surface Science（2017）

引用 7|浏览4

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摘要

•Different-shaped TiO2 particles (granular (TiNP) and tubular (TiNT)) were applied.•Relatively more intrinsic oxygen defect sites in TiNP, whereas more interstitial oxygen in TiNT.•Relatively rapid reduction of Cr(VI) by TiNP due to facile electron transfer through oxygen defect sites.

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关键词

Titanium dioxide,Titania nanotube,Morphology,Oxygen defect,Chromium(VI)

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