Distinct behavior of localized and delocalized carriers in anatase TiO2 (001) during reaction with O2

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成果类型：

期刊论文

作者：

Bigi, Chiara;Tang, Zhenkun;Pierantozzi, Gian Marco;Orgiani, Pasquale;Das, Pranab Kumar;...

通讯作者：

Panaccione, Giancarlo

作者机构：

[Vobornik, Ivana; Orgiani, Pasquale; Pierantozzi, Gian Marco; Verdini, Alberto; Rossi, Giorgio; Troglia, Alessandro; Ciancio, Regina; Panaccione, Giancarlo; Pincelli, Tommaso; Bigi, Chiara; Fujii, Jun; Das, Pranab Kumar] CNR, IOM, Lab TASC, Area Sci Pk,SS 14,Km 163-5, I-34149 Trieste, Italy.

[Rossi, Giorgio; Troglia, Alessandro; Bigi, Chiara] Univ Milan, Dipartimento Fis, Via Celoria 16, I-20133 Milan, Italy.

[Tang, Zhenkun; Selloni, Annabella] Princeton Univ, Dept Chem, Princeton, NJ 08544 USA.

[Tang, Zhenkun] Hengyang Normal Univ, Dept Phys, 16 Heng Hua Rd, Hengyang 421008, Peoples R China.

[Orgiani, Pasquale] CNR, SPIN, UOS Salerno, Via Giovanni Paolo 2 132, I-84084 Fisciano, Italy.

通讯机构：

[Panaccione, Giancarlo] C

CNR, IOM, Lab TASC, Area Sci Pk,SS 14,Km 163-5, I-34149 Trieste, Italy.

语种：

英文

期刊：

Physical Review Materials

ISSN：

2475-9953

年：

2020

卷：

期：

页码：

025801

DOI：

10.1103/PhysRevMaterials.4.025801

基金类别：

DoE-BES, Division of Chemical Sciences, Geosciences and BiosciencesUnited States Department of Energy (DOE) [DE-SC0007347]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China [51602092]; Science and Technology Innovation Project Foundation of Hunan Province [2018RS3103]; Slovenian Research AgencySlovenian Research Agency - Slovenia [P2-0393]

机构署名：

本校为其他机构

院系归属：

物理与电子工程学院

摘要：

Two-dimensional (2D) metallic states induced by oxygen vacancies ( VOs) at oxide surfaces and interfaces provide opportunities for the development of advanced applications, but the ability to control the behavior of these states is still limited. We used angle resolved photoelectron spectroscopy combined with density-functional theory (DFT) to study the reactivity of VO-induced states at the (001) surface of anatase TiO2, where both 2D metallic and deeper lying in-gap states (IGs) are observed. The 2D and IG states exhibit remarkably different evolutions when the surface is exposed to molecula...

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Distinct behavior of localized and delocalized carriers in anatase TiO2 (001) during reaction with O2

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