Sökning: WFRF:(Mwabora Julius M.)
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Structure, Composit...
Structure, Composition and Morphology of Photoelectrochemically Active TiO2-xNx Thin Films Deposited by Reactive DC Magnetron Sputtering
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- Mwabora, Julius M. (författare)
- Uppsala universitet,Institutionen för teknikvetenskaper
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- Lindgren, Torbjörn (författare)
- Uppsala universitet,Institutionen för teknikvetenskaper
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- Avendaño, Esteban (författare)
- Uppsala universitet,Institutionen för teknikvetenskaper
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Jaramillo, Thomas F. (författare)
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- Lu, Jun (författare)
- Uppsala universitet,Institutionen för teknikvetenskaper
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- Lindquist, Sten-Eric (författare)
- Uppsala universitet,Fysikalisk-kemiska institutionen
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- Granqvist, Claes-Göran (författare)
- Uppsala universitet,Institutionen för teknikvetenskaper
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(creator_code:org_t)
- 2004-12-01
- 2004
- Engelska.
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Ingår i: Journal of Physical Chemistry B. - : American Chemical Society (ACS). - 1520-6106 .- 1520-5207. ; 108:52, s. 20193-20198
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Films of nitrogen-doped TiO2 were made by reactive DC magnetron sputtering in a mixture of argon, oxygen, and nitrogen. The nitrogen gas ratio Φ was varied in the 0 < Φ < 0.025 range during the depositions, resulting in TiO2-xNx films with 0 ≤ x ≤ 0.022 as determined by X-ray photoelectron spectroscopy. Structural and morphological properties of the films were investigated by X-ray diffraction, atomic force microscopy, and scanning and transmission electron microscopy. Films prepared without nitrogen had a rutile structure, while the nitrogen-doped films were either rutile or anatase depending on Φ being below or above ∼0.007. Deposition rate, effective grain size, root-mean-square roughness, morphology, and optical absorption were also found to depend on Φ. The films were photoelectrochemically active, as reported in an earlier papers of ours [J. Phys. Chem. B 2003, 107, 5709-5716 and J. Phys. Chem. B 2004, 108, 5995-6003].
Ämnesord
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Nyckelord
- Chemistry
- Kemi
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- ref (ämneskategori)
- art (ämneskategori)
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