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Electronic Structure of Epitaxial Sn-Doped Anatase Grown on SrTiO3(001) by Dip Coating

Abstract:

Sn doping in the anatase polymorph of TiO2 promotes transformation to the thermodynamically stable rutile phase at much lower temperature than found for the undoped material. Here it is shown that the anatase-to-rutile phase transition in Sn-doped TiO2 is inhibited in epitaxial (001) oriented films grown on SrTiO3(001) by a dip coating procedure. X-ray photoemission spectroscopy demonstrates that there is pronounced segregation of Sn to the anatase (001) surface and that the bandgap increases...

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Publication status:
Published

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Publisher copy:
10.1021/jp405054t

Authors


Oropeza, FE More by this author
Zhang, KHL More by this author
Palgrave, RG More by this author
Regoutz, A More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
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Journal:
JOURNAL OF PHYSICAL CHEMISTRY C
Volume:
117
Issue:
29
Pages:
15221-15228
Publication date:
2013-07-25
DOI:
EISSN:
1932-7455
ISSN:
1932-7447
URN:
uuid:1b27c688-aaa1-41c0-99fe-675c849e5273
Source identifiers:
417302
Local pid:
pubs:417302
Language:
English

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