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Importance of the Relationship between Surface Phases and Photocatalytic Activity of TiO₂^†

Jing Zhang Dr.

State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China, Fax: (+86) 411-8469-4447, http://www.canli.dicp.ac.cn

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Qian Xu,

Qian Xu

State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China, Fax: (+86) 411-8469-4447, http://www.canli.dicp.ac.cn

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Zhaochi Feng,

Zhaochi Feng

State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China, Fax: (+86) 411-8469-4447, http://www.canli.dicp.ac.cn

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Meijun Li,

Meijun Li

State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China, Fax: (+86) 411-8469-4447, http://www.canli.dicp.ac.cn

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Can Li Prof. Dr.,

Can Li Prof. Dr.

[email protected]

State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China, Fax: (+86) 411-8469-4447, http://www.canli.dicp.ac.cn

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Jing Zhang Dr.,

Jing Zhang Dr.

State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China, Fax: (+86) 411-8469-4447, http://www.canli.dicp.ac.cn

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Qian Xu,

Qian Xu

State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China, Fax: (+86) 411-8469-4447, http://www.canli.dicp.ac.cn

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Zhaochi Feng,

Zhaochi Feng

State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China, Fax: (+86) 411-8469-4447, http://www.canli.dicp.ac.cn

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Meijun Li,

Meijun Li

State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China, Fax: (+86) 411-8469-4447, http://www.canli.dicp.ac.cn

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Can Li Prof. Dr.,

Can Li Prof. Dr.

[email protected]

State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China, Fax: (+86) 411-8469-4447, http://www.canli.dicp.ac.cn

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First published: 11 February 2008

https://doi.org/10.1002/anie.200704788

Citations: 1,118

^†

This work was supported by the National Natural Science Foundation of China (NSFC, Grant No. 20673112), the National Basic Research Program of China (Grant Nos. 2003CB615806 and 2003CB214504), and the Knowledge Innovation Program of the Chinese Academy of Sciences (Grant No. DICP K2006E2). We thank Fengtao Fan for help with the illustrations and Zili Wu for discussions.

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Graphical Abstract

The junction boosts the function: With a combination of surface-sensitive techniques, the photocatalytic activity of TiO₂ was found to be directly related to the surface-phase structure, and can be greatly enhanced when anatase TiO₂ nanoparticles are highly dispersed on the surface of rutile TiO₂ to form anatase–rutile surface-phase junctions (see picture for calcination progression).

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February 15, 2008

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Importance of the Relationship between Surface Phases and Photocatalytic Activity of TiO₂^†