2019 8 12 Here the plasmon induced charge separation between a Ag20 nanocluster and a TiO2 110 surface is investigated using time dependent density functional theory simulations It is found that the charge separation dynamics consists of two processes during the first 10 fs an initial charge separation resulting from the plasmon electron coupling at 2014 10 3 Rise and shine A very mild and effective photo deposition procedure for the synthesis of novel Fe 2 O 3 –TiO 2 nanocomposites with dramatically enhanced activity for both contaminant decomposition and photoelectrochemical water splitting compared to benchmark P25 TiO 2 is reported The mechanism was determined using density functional theory and TiO 2 −Multiwalled Carbon Nanotube Heterojunction Arrays and Their Charge Separation Capability Hongtao Yu Xie Quan Shuo Chen and Huimin Zhao School of Environmental and Biological Science and Technology Key Laboratory of Industrial Ecology and Environmental Engineering Ministry of Education China Dalian University of Technology 2016 2 29 Synchronous illumination X ray photoelectron spectroscopy SIXPS was employed for the first time to directly identify the photogenerated charge separation and transfer on anatase TiO2 single crystals with selectively etched 001 facets More specifically for the TiO2 crystals with intact 001 and 101 facets most of photogenerated charge carriers rapidly recombined 2021 3 11 Titanium dioxide TiO2 has been extensively investigated in solar energy applications including heterogeneous photocatalysis and photovoltaics For most TiO2 materials charge recombination between photoexcited electrons and holes severely limits the efficiencies of solar energy conversion Different strategies have been attempted to improve charge 2015 2 18 Titanium dioxide TiO 2 has been intensively used as a photocatalyst for the degradation of organic pollutants in water but is typically obstacle by a low efficiency costly separation limited visible light response and poor 2017 3 10 Improved electron–hole separation and migration in anatase TiO 2 nanorod/reduced graphene oxide composites and their influence on photocatalytic performance G Žerjav M S Arshad P Djinović I Junkar J Kovač J Zavašnik and A Pintar Nanoscale 2017 9 4578 DOI 10.1039/C7NR00704C This article is licensed under a Creative Commons Attribution 3.0 2021 3 3 Vanadium slag usually contains 13.52–19.03 mass V2O3 and 6.92–14.35 mass TiO2 The V in vanadium slag is effectively extracted by traditional methods whereas Ti a valuable metal cannot be used To effectively utilize the Ti a new method for preparing TiO2 from vanadium slag via AlCl3 chlorination TiCl4 hydrolysis was proposed in this work The This study aims to produce polypropylene PP /titanium dioxide TiO2 melt blown membranes for oil/water separation and photocatalysis PP and different contents of TiO2 are melt blended to prepare master batches using a single screw extruder The master batches are then fabricated into PP/TiO2 melt blown membranes The thermal properties of the master batches are 2022 5 8 Titanium dioxide also known as titanium IV oxide or titania / t aɪ ˈ t eɪ n i ə / is the inorganic compound with the chemical formula TiO 2.When used as a pigment it is called titanium white Pigment White 6 PW6 or CI 77891 It is 2022 1 3 Improving the electron–hole separation efficiency and accelerating the reaction kinetics of semiconductors are effective methods for improving the photoelectric catalytic activity of TiO2 In this study sulfur doped TiO2 S–TiO2 nanorod arrays grown on a fluorine doped SnO2 transparent conductive glass were successfully prepared using a microwave assisted method 2020 5 1 Andoshe D M et al One pot synthesis of sulfur and nitrogen codoped titanium dioxide nanorod arrays for superior photoelectrochemical water oxidation Appl Catal B Environ 234 213–222 2018 .2019 7 10 Efficient charge transfer and separation play a significant role in determining the photoelectrochemical PEC water splitting performance of photocatalysts Here hierarchical nanowire arrays NWAs containing the TiO2 nanowire core and nickel cobalt layered double hydroxide NiCo LDH shell were synthesized by combining a hydrothermal method with a 2015 11 4 In this work water fuelled TiO 2 /Pt Janus submicromotors with light controlled motions have been developed by utilizing the asymmetrical photocatalytic water redox reaction over TiO 2 /Pt Janus submicrospheres under UV irradiation The motion state speed aggregation and separation behaviors of the TiO 2 /Pt Janus submicromotor can be reversibly wirelessly 2015 11 26 The organic contaminant is then in situ degraded The 3D network structured PANI/TiO 2 composite hydrogel has the advantage of high reactivity in nano sized materials and possesses the characteristics of separation free in bulk materials indicating that the composite hydrogel is ease of recycling Overall this work provides new insights into 2017 3 8 A TiO 2 suspended continuous flow photoreactor system combined with the separation of TiO 2 particles by coagulation was applied for the photocatalytic degradation of dibutyl phthalate DBP The system enabled the efficient degradation of DBP and the continuous discharge of transparent water.2015 6 8 Separation of photo generated charges has played a crucial role in controlling the actual performance of a photocatalytic system Here we have successfully fabricated g C 3 N 4 /TiO 2 B nanowire/tube heterostructures through facile urea degradation reactions.Owing to the effective separation of photo generated charges associated with the type II band alignment 2021 4 15 Photocatalytic conversion of CO 2 into solar fuels has gained increasing attention due to its great potential for alleviating the energy and environmental crisis at the same time The low cost TiO 2 with suitable band structure and high resistibility to light corrosion has proven to be very promising for photoreduction of CO 2 using water as the source of electrons and protons.2021 9 27 To obtain a kind of superhydrophobic sponge with high oil and water selectivity the MS/TiO 2 /PDMS sponge was prepared via a two step hydrophobic fabrication based on the melamine sponge MS tetrabutyl titanate TBOT and polydimethylsiloxane PDMS The effects of modification time the concentrations of TBOT and PDMS on the properties of the MS/TiO 2 2021 6 17 The PBZ/TiO 2 coating modified stainless steel mesh PBZ/TiO 2 mesh had ultra high oil/water separation fluxes of over 54 000 L/m 2 h only by gravity for several heavy oil/water mixtures Meanwhile the PBZ/TiO 2 mesh could efficiently collect various light oils from water with separation efficiencies of over 96.0 .2005 2 23 Photocatalytic properties of Ag TiO2 composite clusters have been investigated using steady state and laser pulse excitations Photoexcitation of TiO2 shell results in accumulation of the electrons in the Ag core as evidenced from the shift in the surface plasmon band from 460 to 420 nm The stored electrons are discharged when an electron acceptor 2016 2 17 Although tremendous effort has been directed to synthesizing advanced TiO 2 it remains difficult to obtain TiO 2 exhibiting a photocatalytic efficiency higher than that of P25 a benchmark photocatalyst P25 is 2022 5 8 Titanium dioxide also known as titanium IV oxide or titania / t aɪ ˈ t eɪ n i ə / is the inorganic compound with the chemical formula TiO 2.When used as a pigment it is called titanium white Pigment White 6 PW6 or CI 77891 It is a white water insoluble solid although mineral forms can appear black As a pigment it has a wide range of applications including paint It is strongly desired to develop highly active photocatalysts for CO 2 reduction by accelerating charge separation and realizing spatially separated active sites In this work Ti 2 O 3 /TiO 2 heterophase junctions with enhanced charge separation and spatially separated active sites were facilely prepared via in situ thermal oxidation of commercial Ti 2 O 3 in air at an appropriate