Results 21 to 30 of about 70,167 (257)

Kinetic Model for Nanocrystalline Anatase to Rutile Polymorphic Transformation [PDF]

Chemical and Biochemical Engineering Quarterly, 2017
In this paper, kinetic models are presented for phase transformation from anatase to rutile in nanocrystalline samples at different temperature ranges.
R. Shakibania
doaj   +1 more source

Electronic structures and optical spectra of thin anatase TiO2 nanowires through hybrid density functional and quasiparticle calculations [PDF]

, 2014
The electronic properties of quasi-one-dimensional anatase TiO2 nanostructures, in the form of thin nanowires having (101) and (001) facets, have been systematically investigated using the standard, hybrid density functional and quasiparticle ...
Ellialtioglu, Sinasi, Gulseren, Oguz, Mete, Ersen, Unal, Hatice   +3 more
core   +2 more sources

First Principles Calculations on the Stoichiometric and Defective (101) Anatase Surface and Upon Hydrogen and H2Pc Adsorption: The Influence of Electronic Exchange and Correlation and of Basis Set Approximations

Frontiers in Chemistry, 2019
Anatase TiO2 provides photoactivity with high chemical stability at a reasonable cost. Different methods have been used to enhance its photocatalytic activity by creating band gap states through the introduction of oxygen vacancies, hydrogen impurities ...
Ruth Martínez-Casado, Ruth Martínez-Casado, Milica Todorović, Giuseppe Mallia, Nicholas M. Harrison, Rubén Pérez, Rubén Pérez   +6 more
doaj   +1 more source

XAS study of the local environment of impurities in doped TiO2 thin films [PDF]

, 2007
In this work we present an X-ray Absorption Spectroscopy characterization of the local environment of the impurity in room temperature ferromagnetic anatase TiO2 thin films doped with Co, Ni, Cu, or Zn, deposited on LaAlO3 substrate by Pulsed Laser ...
A.F. Cabrera, C.E. Rodríguez Torres, Chambers, Duhalde, Duhalde, Errico, F. Golmar, F.H. Sánchez, L.A. Errico, M. Rentería, Matsumoto, Park, S. Duhalde, Weng   +13 more
core   +2 more sources

Encapsulating Mo-Doped TiO2 Anatase in N-Doped Amorphous Carbon With Excellent Lithium Storage Performances

Frontiers in Materials, 2019
To improve the capability, cycling stability and rate capacity of anatase TiO2-based electrode, Mo-doped TiO2 anatase encapsulated in nitrogen-doped amorphous carbon (denoted for Mo-TiO2@NC) were synthesized using a facile hydrothermal method followed by
Ying Xia, Chao Rong, Xiaoyan Yang, Fengqi Lu, Xiaojun Kuang   +4 more
doaj   +1 more source

Evidence of a 2D Electron Gas in a Single‐Unit‐Cell of Anatase TiO2 (001)

Advanced Science, 2022
The formation and the evolution of electronic metallic states localized at the surface, commonly termed 2D electron gas (2DEG), represents a peculiar phenomenon occurring at the surface and interface of many transition metal oxides (TMO).
Alessandro Troglia, Chiara Bigi, Ivana Vobornik, Jun Fujii, Daniel Knez, Regina Ciancio, Goran Dražić, Marius Fuchs, Domenico Di Sante, Giorgio Sangiovanni, Giorgio Rossi, Pasquale Orgiani, Giancarlo Panaccione   +12 more
doaj   +1 more source

Effect of metallic agent on the carbothermic reduction of titanium dioxide in order to produce titanium carbide [PDF]

مواد نوین, 2021
The effect of metallic agents such as aluminium, magnesium and mixture of magnesium-zinc was studied on the carbothermic reduction of titanium dioxide in this research under mechanical milling.
Fatemeh Homayooni, Nader Setoudeh, Abbas Mohassel, Fatemeh Heidari, Mohammad Sajjadnejad   +4 more
doaj   +1 more source

Solvothermal synthesis of soluble, surface modified anatase and transition metal doped anatase hybrid nanocrystals

Nanoscale Advances, 2022
Solvothermal treatment of amorphous titania in trifluoroacetic acid modifies the surface and crystallises the anatase phase, yielding dispersible hybrid nanocrystals.
A. S. Bathe, A. Sanz Arjona, A. Regan, C. Wallace, C. R. Nerney, N. O'Donoghue, J. M. Crosland, T. Simonian, R. I. Walton, P. W. Dunne   +9 more
openaire   +2 more sources

Electronic Structure of Vanadium-Doped TiO2 of Both Anatase and Rutile Based on Density Functional Theory (DFT) Approach

Alchemy, 2018
Study of the theoretical  approah to calculate the band structure and density of states (DOS) of vanadium-doped TiO2 of both anatase and rutile have been done. The first-principle calculations were done using supercell (2x1x1) method. The first-principle
Hari Sutrisno
doaj   +1 more source

Growth of TiO2 thin films by AP-MOCVD on stainless steel substrates for photocatalytic applications [PDF]

, 2007
TiO2 thin films were deposited under atmospheric pressure by MOCVD in the temperature range 400–600 °C on stainless steel and Si(100) substrates. Titanium tetraisopropoxide (TTIP) was used as Ti and O source.
Duminica, Florin-Daniel, Hausbrand, R., Maury, Francis   +2 more
core   +4 more sources