Location of Hole and Electron Traps on Nanocrystalline Anatase TiO2

The defect photoluminescence from TiO2 nanoparticles in the anatase phase is reported for nanosheets which expose predominantly (001) surfaces and compared to that from conventional anatase nanoparticles which expose mostly (101) surfaces. Also reported is the weak defect photoluminescence of TiO2 n...

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Veröffentlicht in:	Journal of physical chemistry. C 2012-05, Vol.116 (19), p.10796-10804
Hauptverfasser:	Mercado, Candy C, Knorr, Fritz J, McHale, Jeanne L, Usmani, Shirin M, Ichimura, Andrew S, Saraf, Laxmikant V
Format:	Artikel
Sprache:	eng
Schlagworte:	ATOMS Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology DEFECTS DIFFRACTION DISTRIBUTION ELECTRONS Environmental Molecular Sciences Laboratory Exact sciences and technology Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties Materials science MORPHOLOGY Nanocrystalline materials Nanoscale materials and structures: fabrication and characterization NANOSCIENCE AND NANOTECHNOLOGY NANOTUBES Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures OXYGEN PHOTOLUMINESCENCE Physics SURFACE TREATMENTS Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) TITANIUM OXIDES VACANCIES
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