Rutile TIO2
In situ coupling of Ti2O with rutile TiO2 as a core–shell structure and its photocatalysis performance
... spectrum with a primary cut-off edge at 410 nm, corre- sponding to the intrinsic band gap of 3.0 eV for rutile. 9 As observed, the SPR-like visible-light absorption band at 400– 500 nm was present in the spectrum. ...
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Unique Pulsed Laser Deposition Production of Anatase and Rutile TiO2 on Al2O3
... the rutile and ana- tase patterns are on the top (red) and bottom (blue), ...The rutile pat- tern has been shifted vertically for visual clarity; patterns were identified with the JadeTM software ...the ...
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Surface and interstitial Ti diffusion at the rutile TiO2(110) surface
... However, there is a marked difference between the energy of the adatom (A, B) and interstitial (Fi, Bi) sites calculated by DFT + U and the Hallil QEq model. The DFT + U calculation shows the interstitials are more ...
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Room Temperature Synthesis of N-doped Urchin-like Rutile TiO2 Nanostructure With Enhanced Photocatalytic Activity Under Sunlight
... small rutile nanospicules aggregate to produce small bundles of nanospicules and eventually coalesce through “oriented attachment” mechanism [34] to form larger size ...
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Enhanced Photocatalytic H2 Production in Core–Shell Engineered Rutile TiO2
... Considering the fact that the mobility of charge carriers is dominantly controlled by their effective masses, which are intrinsically sensitive to the crystal structures of the materials, there seems little room to ...
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Rutile TiO2 films as electron transport layer in inverted organic solar cell
... and more homogeneous surface morphology. The PV properties have shown an increase after the thermal treatment of TiO2, FF has shown a clear reduction from 55.5% to 42.3% which could be due to the increase in the ...
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Organic Suspension Behavior of Rutile TiO2 Nanoparticles with High Specific Surface Area
... rutile and mono-dispersed with a mean spherical diameter of 300 nm (Fig. 1(a)). Although their particle size was relatively large compared to the commercial ones with the mean diameter of 2050 nm (Fig. 1(b)), ...
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Electrochemical Properties of Rutile TiO2 Nanorod Array in Lithium Hydroxide Solution
... nanorods appears to be flat tetragonal crystallographic planes while the side surface is smooth. Nanorod arrays are nearly perpendicular to the FTO substrate. These re- sults are consistent with the morphology of ...
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Oxygen stoichiometry, chemical expansion or contraction and electrical properties of rutile, TiO2+/-delta ceramics
... . At slightly lower temperatures, rutile is likely to be oxygen stoichiometric, but at 450 to 500 C , the onset of p-type semi-conductivity is observed. It is attributed to reaction of underbonded O ions at sample ...
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A mixture of anatase and rutile TiO2 nanoparticles induces histamine secretion in mast cells
... our study consisted of a mixture of anatase/rutile crystal- line forms which have been shown to impose greater cellu- lar toxicity [22]. Although phase composition, surface chemistry and purity may play important ...
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Optical Properties of Anatase and Rutile TiO2:Cr3+ Powders
... mol% Cr doped samples (Fig. 7a ). In the PL spectra excited by 533 nm wavelength , beside peak at 685 nm , is also observed a weaker abroad emission band centered at 815 nm. The reason for this is that in the samples ...
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Hydrothermal Etching Treatment to Rutile TiO2 Nanorod Arrays for Improving the Efficiency of CdS Sensitized TiO2 Solar Cells
... sults showed that the etching treatment enlarged the gap space among the compact nanorods and hollowed out the center part of the nanorod to form a nano- cave, and the wall of the nanocave split into lots of small ...
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The effect of anatase on rutile TiO2 nanoflowers towards its photo catalytic activity on cancer cells
... hydrothermal synthesis using strong hydrochloric acid (HCl) produced rutile nanorods due to the high number of hydroxyl group (OH) ligands thus producing two edge-shared bonding rutile structure [17]. ...
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Annealing effect on Sb2S3 TiO2 nanostructures for solar cell applications
... In our present research study, Sb2S3 semiconductor nanoparticles and single-crystalline rutile TiO2 nanorod arrays were combined to perform as a photoanode for a practical nanostructured[r] ...
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Electrochemical Capacitive Characteristics of TiO2 Coated on Vertically Aligned Carbon Nanotubes
... Vertically aligned carbon nanotubes (VACNTs) were successfully grown onto stainless steel sheet (SUS) substrate at 750 ℃ by thermal chemical vapor deposition (TCVD) technique and were used as an electrode of the electric ...
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Field-induced Point Defect Redistribution in Metal Oxides: Mesoscopic Length Scale Phenomena.
... Rutile single crystals are equilibrated at specific oxygen partial pressures and temperatures to define the initial defect chemistry state. Platinum electrodes, which form Schottky contacts and are largely ...
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Acidic Peptizing Agent Effect on Anatase Rutile Ratio and Photocatalytic Performance of TiO2 Nanoparticles
... the rutile phase formation is favorable as the rate of condensation is ...the rutile phase was obtained when sulfuric and nitric acids were used for the ...
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Electronic Structure and Charge Transfer in the TiO2 Rutile (110)/Graphene Composite Using Hybrid DFT Calculations
... the PBE functional and DZVP basis sets in the CP2K software, with a 3 3 2 supercell) are a = 4.617 Å, c = 2.995 Å. The values found using the HSE06 functional with triple-zeta polarised basis sets using CRYSTAL14 are ...
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Effect of growth techniques on the structural, optical and electrical properties of indium doped TiO2thin films
... deposition (PLD) and sputtering techniques. X-ray diffraction (XRD) and Raman spectroscopy patterns revealed both rutile and anatase phases for the sputtering samples. On the other hand, only the anatase phase was ...
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The energy of step defects on the TiO2 rutile (110) surface: An ab initio DFT methodology
... Hardcastle, TP, Seabourne, CR, Brydson, RMD, Livi, KJT and Scott, AJ (2013) The energy of step defects on the TiO2 rutile (110) surface: An ab initio DFT methodology. Journal of Physical Chemistry Part C: ...
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