Epilayer control of photodeposited materials during UV photocatalysis

R. Takahashi; M. Katayama; Dahl; J. K. Grepstad; Y. Matsumoto; T. Tybell

doi:10.1063/1.3151820

Epilayer control of photodeposited materials during UV photocatalysis

R. Takahashi, M. Katayama, Dahl, J. K. Grepstad, Y. Matsumoto, T. Tybell

ENG - Applied Chemistry

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

Epilayer control of photoassisted oxidation and reduction on the ferroelectric PbTiO3 polar surface was investigated. Photo-oxidation of a AgNO3 electrolyte resulting in formation of Ag7 NO11 particles was observed on the PbTiO3 /Nb: SrTiO3 film surface; whereas PbTiO3 / SrRuO3 / SrTiO3 leads to AgNO3 reduction under UV illumination. The oxidation reaction resulting in the formation of Ag7 NO11 is explained in terms of a rectifying interface between PbTiO3 and Nb: SrTiO3, controlling the charge transport during UV photocatalysis.

Original language	English
Article number	232901
Journal	Applied Physics Letters
Volume	94
Issue number	23
DOIs	https://doi.org/10.1063/1.3151820
Publication status	Published - 2009

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.3151820

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title = "Epilayer control of photodeposited materials during UV photocatalysis",

abstract = "Epilayer control of photoassisted oxidation and reduction on the ferroelectric PbTiO3 polar surface was investigated. Photo-oxidation of a AgNO3 electrolyte resulting in formation of Ag7 NO11 particles was observed on the PbTiO3 /Nb: SrTiO3 film surface; whereas PbTiO3 / SrRuO3 / SrTiO3 leads to AgNO3 reduction under UV illumination. The oxidation reaction resulting in the formation of Ag7 NO11 is explained in terms of a rectifying interface between PbTiO3 and Nb: SrTiO3, controlling the charge transport during UV photocatalysis.",

author = "R. Takahashi and M. Katayama and Dahl and Grepstad, {J. K.} and Y. Matsumoto and T. Tybell",

note = "Funding Information: The authors would like to thank the Research Council of Norway for funding via Contract No. 162874/V00 and the Core Research for Evolution of Science and Technology, Japan Science and Technology Agency (CREST-JST). H. Yamamoto and T. Ishii at Shinkosya are thankfully acknowledged for supplying the substrates. We also thank Dr. K. Itaka and S. Smistad for technical support.",

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T1 - Epilayer control of photodeposited materials during UV photocatalysis

AU - Takahashi, R.

AU - Katayama, M.

AU - Dahl,

AU - Grepstad, J. K.

AU - Matsumoto, Y.

AU - Tybell, T.

N1 - Funding Information: The authors would like to thank the Research Council of Norway for funding via Contract No. 162874/V00 and the Core Research for Evolution of Science and Technology, Japan Science and Technology Agency (CREST-JST). H. Yamamoto and T. Ishii at Shinkosya are thankfully acknowledged for supplying the substrates. We also thank Dr. K. Itaka and S. Smistad for technical support.

PY - 2009

Y1 - 2009

N2 - Epilayer control of photoassisted oxidation and reduction on the ferroelectric PbTiO3 polar surface was investigated. Photo-oxidation of a AgNO3 electrolyte resulting in formation of Ag7 NO11 particles was observed on the PbTiO3 /Nb: SrTiO3 film surface; whereas PbTiO3 / SrRuO3 / SrTiO3 leads to AgNO3 reduction under UV illumination. The oxidation reaction resulting in the formation of Ag7 NO11 is explained in terms of a rectifying interface between PbTiO3 and Nb: SrTiO3, controlling the charge transport during UV photocatalysis.

AB - Epilayer control of photoassisted oxidation and reduction on the ferroelectric PbTiO3 polar surface was investigated. Photo-oxidation of a AgNO3 electrolyte resulting in formation of Ag7 NO11 particles was observed on the PbTiO3 /Nb: SrTiO3 film surface; whereas PbTiO3 / SrRuO3 / SrTiO3 leads to AgNO3 reduction under UV illumination. The oxidation reaction resulting in the formation of Ag7 NO11 is explained in terms of a rectifying interface between PbTiO3 and Nb: SrTiO3, controlling the charge transport during UV photocatalysis.

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