Measurement of wurtzite ZnO/rutile TiO(2) heterojunction band offsets by x-ray photoelectron spectroscopy
- Authors
-
- Wang, J
- Liu, XL
- Yang, AL
- Zheng, GL
- Yang, SY
- Wei, HY
- Zhu, QS
- Wang, ZG
- Publication Date
- Jan 01, 2011
- Source
- Knowledge Repository of SEMI,CAS
- Keywords
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- Sensitized Solar-Cells
- Photocatalyzed Transformation
- Chloroaromatic Derivatives
- Zinc-Oxide
- Films
- Powder
- Phenol
- 半导体材料
- Zinc Oxide
- Photography--Films
- Finite Volume Method
- Powders
- Phenol
- 锌白
- Chinese White
- Zinc White
- Oxyde De Zinc
- Zinkoxid
- Photographic Film
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- Feature Films--History And Criticism
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- Microfilms
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- Film Slides
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- Anodised Layers
- Anodized Layers
- Claddings
- Cvd Coatings
- Chemical Vapor Deposited Coatings
- Chemical Vapour Deposited Coatings
- Cvd Thin Films
- Decorative Coatings
- Electrophoretic Coatings
- Fission Reactor Fuel Claddings
- Foils
- Mocvd Coatings
- Optical Fibre Cladding
- Optical Fiber Cladding
- Protective Coatings, Optical Fibre
- Plasma Arc Sprayed Coatings
- Plasma Sprayed Coatings
- Plasma Cvd Coatings
- Plasma Chemical Vapour Deposited Coatings
- Plasma Deposited Coatings
- Polymer Films
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- Vacuum Deposited Coatings
- Vacuum Deposited Thin Films
- Vapour Deposited Coatings
- Vapor Deposited Coatings
- Vapor Deposited Thin Films
- Vapour Deposited Thin Films
- Elektrophoretische Ueberzuege
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- Revetements Par Projection Au Plasma
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- 有限体积法
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- 粉末
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- 酚
- Benzophenol
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- Phenyl Hydroxide
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- Phenol (Deutsch)
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- License
- Unknown
- External links
Abstract
The valence-band offset of the wurtzite ZnO/rutile TiO(2) heterojunction was directly determined by x-ray photoelectron spectroscopy. The wurtzite ZnO (0001) layer was grown on commercial rutile (101) TiO(2) by metal-organic chemical-vapor deposition. The results show that the valence-band offset is 0.14 +/- 0.05 eV, which agrees well with previous results by other methods. Therefore, the conduction-band offset is deduced from their known band-gap energy values to be 0.45 +/- 0.05 eV, which indicates a type-II band alignment for the ZnO/TiO(2) heterojunction.