Results 51 to 60 of about 9,726 (203)

Nanostructured titanium dioxide-based photocatalysts for self-cleaning concrete: аssessment of effects of phase composition on photocatalytic activity of TiO2 [PDF]

Нанотехнологии в строительстве
Introduction. Currently, the development of photocatalytically active cement-based materials with self-cleaning properties is a promising area of building materials science.
Artemy S. Balykov, Denis B. Chugunov, Vladimir M. Kyashkin, Natalia S. Davydova   +3 more
doaj   +1 more source

Hydrogen-doped Brookite TiO2 Nanobullets Array as a Novel Photoanode for Efficient Solar Water Splitting [PDF]

, 2016
As a representative photocatalyst for photoelectrochemical solar water splitting, TiO2 has been intensively studied but most researches have focused on the rutile and anatsase phases because brookite, another important crystalline polymorph of TiO2 ...
A Di Paola, A Fujishima, A Janotti, AB Murphy, AJ Bard, BF Dzhurinskii, CG Van De Walle, D Leinen, E Shojaee, F Le Formal, F Peng, G Wang, H Pan, J Su, J Tauc, JH Park, M Choi, M Frites, M Frites, M Mehta, M Zhao, P Kubelka, R Asahi, R Li, R López, S Ikeda, S Jin, S Tosoni, SUM Khan, SUM Khan, T Lopes, T Ohno, VM Aroutiounian, X Chen, X Chen, X Chen, Z Zou   +36 more
core   +1 more source

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

Advanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades, Pedro Hidalgo, David Maestre, Ruth Martínez‐Casado, Emilio Nogales, Beatriz Rodríguez, G. Cristian Vásquez, Bianchi Méndez   +7 more
wiley   +1 more source

Enhancement of optical absorption by modulation of the oxygen flow of TiO2 films deposited by reactive sputtering [PDF]

, 2012
Oxygen-deficient TiO2 films with enhanced visible and near-infrared optical absorption have been deposited by reactive sputtering using a planar diode radio frequency magnetron configuration.
Acuña, Javier, Beltran, Armando, Brandt, Iuri S., Lisboa Filho, Paulo N., Pasa, André A., Pereira, André L. J.   +5 more
core   +2 more sources

Unveiling the synergistic role of anatase/brookite homojunctions in TiO2 mixed phases on the enhanced photocatalytic degradation of paracetamol under simulated solar light and the formation of CO2.− radical ion

Applied Surface Science Advances
Mixed-phase TiO₂ systems offer unique opportunities for enhancing photocatalytic performance via interpolymorph junctions (homojunctions). While anatase/rutile interfaces have been extensively studied, anatase/brookite junctions remain comparatively ...
Nicola Blangetti, Francesca S. Freyria, Maela Manzoli, Paola Rivolo, Alessandro Piovano, Hamideh Darjazi, Nicoletta Ditaranto, Barbara Patrizi, Sandra Doria, Barbara Bonelli   +9 more
doaj   +1 more source

Combinatorial Nb‐Doped TiO2 Wafers: Phase‐Defect Coengineering for Efficient and Reusable Photocatalysis

Advanced Energy and Sustainability Research, EarlyView.
Combinatorial Nb‐doped TiO2 wafers with a lateral dopant gradient enable rapid mapping of how phase composition and defects influence photocatalytic activity. Optimized Nb content generates mixed anatase–rutile phases together with beneficial Ti3+ and oxygen vacancy defects, boosting dye‐degradation efficiency fivefold.
Raja Elrahoumi, Dinushi Munasingha Mudiyanselage, Amar Salih, Matthew Arnold, Angus Gentle, Estelle Wagner, William Maudez, Sanaa A. Alzahrani, Matthew R. Phillips, Giacomo Benvenuti, Cuong Ton‐That   +10 more
wiley   +1 more source

Photocatalytic selective oxidation of 5-(hydroxymethyl)-2-furaldehyde to 2,5-furandicarbaldehyde in water by using anatase, rutile and brookite TiO2 nanoparticles [PDF]

, 2013
5-(Hydroxymethyl)-2-furaldehyde (HMF) was selectively oxidized to 2,5-furandicarbaldehyde (FDC) in aqueous medium by using home-prepared (HP) anatase, rutile, and brookite TiO2 nanoparticles.
Alagöz, O, AUGUGLIARO, Vincenzo, LODDO, Vittorio, PALMISANO, Giovanni, PALMISANO, Leonardo, Tek, BS, Yurdakal, S   +6 more
core   +3 more sources

Effect of time of hydrothermal heat treatment on mesoporous nano-TiO2 synthesis

Cerâmica, 2021
Mesoporous TiO2 nanoparticles were synthesized by the sol-gel method and using hydrothermal treatment at 200 ºC during different time intervals, which allowed the evaluation of the time or the treatment on the structural, morphological, and optical ...
L. M. Santos, D. J. R. da Silva, M. R. C. Santos, A. E. H. Machado   +3 more
doaj   +1 more source

Mechanistic Insights Into Photocatalytic Materials for Toxic Pollutants: Environmental Remediation of Personal Care Products

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Photocatalytic materials have emerged as promising solutions for environmental applications due to their ability to degrade organic pollutants under sunlight or artificial light. In this review, recent progress on the photocatalytic materials used for the degradation of pharmaceutical personal care products (PPCPs) in environmental ...
Urvashi Sen, Gunjan Chauhan, Surbhi Soni, Monika Vats, Anand Kumar, Indra Bahadur   +5 more
wiley   +1 more source

Ultrasonic synthesis and photocatalytic performance of metal-ions doped TiO2 catalysts under solar light irradiation [PDF]

, 2013
10.1016/j.materresbull.2012.11.027Materials Research Bulletin482672 ...
Feng, Huajun, Yu, Liya E., Zhang, Min-Hong   +2 more
core   +1 more source