Study of mechanochemical phase transformation of TiO2 by EPR. Effect of phosphate
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Cited by (36)
Effective nitrogen doping of TiO<inf>2</inf> polymorphs at mild temperatures for visible-light-responsive hydrogen evolution
2024, Journal of Colloid and Interface ScienceStates change of carbon at the boundary to TiO<inf>2</inf> toward better electrical conductivity via a combined mechanochemical - Thermal route
2019, Journal of Physics and Chemistry of SolidsCitation Excerpt :Fig. 1 displays the change in the crystallographical properties by milling the starting anatase with varying amount of AB. A typical mechanochemical polymorphic transformation to the rutile polymorph was observed by milling as reported elsewhere [29,30]. Note that the transformation was slightly retarded by increasing AB concentration.
Promotional effect of F-doped V <inf>2</inf>O <inf>5</inf>-WO <inf>3</inf>/TiO <inf>2</inf> catalyst for NH <inf>3</inf>-SCR of NO at low-temperature
2012, Applied Catalysis A: GeneralCitation Excerpt :Therefore, W inhibited the support from anatase to rutile transformation. It has been reported [30,31] in the literatures that the transition proceeds through the nucleation of rutile at the surface of anatase, and that it is strongly influenced by the oxygen vacancy concentration. The nuclei of rutile seem to be formed by oxygen vacancies that diffuse in the bulk [15].
Introduction of oxygen vacancies and fluorine into TiO <inf>2</inf> nanoparticles by co-milling with PTFE
2012, Journal of Solid State ChemistryCitation Excerpt :No appreciable peak shifts were observed, indicating that fluorine transferred from PTFE to titania was confined at the near surface region, where the crystallinity was severely reduced, as shown in Fig. 4(d). The phase transformation from anatase to rutile induced by milling, which is revealed by the diffractograms is well documented [57,58]. Broad peaks of rutile are also explained conventionally by the small size of the crystallites.
Composite TiO<inf>2</inf>-SnO<inf>2</inf> nanostructured films prepared by spin-coating with high photocatalytic performance
2008, Catalysis CommunicationsCitation Excerpt :Anatase crystallizes in a metastable state at temperatures below 600 °C and at high temperatures transforms to the rutile phase, which has better thermal stability [9]. The transition temperature depends on different physical and chemical parameters; pressure [10], stress [11], oxygen deficiency [12], contaminants [13], etc. The choice of the doping type may play a crucial rule in the crystalline structure and then the stable phase of TiO2 thin films.
Effect of TiO<inf>2</inf> acidic pre-treatment on the photocatalytic properties for phenol degradation
2006, Journal of Photochemistry and Photobiology A: Chemistry