Articles with "tio2 tio2" as a keyword



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Photo-generated conduction-band and shallow-trap electrons from UV irradiation on ethanol-adsorbed TiO2 and N-TiO2: an in situ infrared study

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Published in 2017 at "Research on Chemical Intermediates"

DOI: 10.1007/s11164-017-3038-9

Abstract: The dynamic behaviors of conduction-band electrons ($${\text{e}}_{CB}^{ - }$$eCB-) and shallow-trap electrons ($${\text{e}}_{ST}^{ - }$$eST-) generated from UV irradiation on ethanol-adsorbed TiO2 and N-TiO2 have been studied by in situ Fourier transform infrared spectroscopy (FTIR)… read more here.

Keywords: tio2; tio2 tio2; irradiation; text est ... See more keywords
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Practical synthesis of silyl-protected and functionalized propargylamines using nanostructured Ag/TiO2 and Pt/TiO2 as active recyclable catalysts

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Published in 2018 at "Chemical Papers"

DOI: 10.1007/s11696-018-0604-6

Abstract: Herein we report the use of Ag/TiO2 and Pt/TiO2 nanocatalysts to promote the synthesis of a series of silyl-protected and functionalized propargylamine derivatives through alkyne–amine–aldehyde (A3) coupling under microwave condition using water as solvent in… read more here.

Keywords: tio2; tio2 tio2; protected functionalized; silyl protected ... See more keywords
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Carbonaceous biomass-titania composites with Ti O C bonding bridge for efficient photocatalytic reduction of Cr(VI) under narrow visible light

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Published in 2019 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2019.02.035

Abstract: Abstract The aim of this study was to develop carbonaceous materials hybridized with anatase TiO2 composed of Activated Carbon-TiO2 (AC-TiO2), Olive Pits-TiO2 (OP-TiO2) and Wood Shaving-TiO2 (WS-TiO2) by ultrasonic-assisted sol-gel process for the photocatalytic Cr(VI)… read more here.

Keywords: photocatalytic reduction; tio2; visible light; tio2 tio2 ... See more keywords
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Modified optical characteristics of TiO2/Au/TiO2 thin composite films

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Published in 2019 at "Ceramics International"

DOI: 10.1016/j.ceramint.2019.07.262

Abstract: Abstract We report the optical characteristics of the TiO2/Au-NPs/TiO2 composite thin films determined from the UV–Vis absorption spectroscopy and spectroscopic ellipsometry. The UV–Vis spectra indicated the enhanced optical absorption in the composite thin films in… read more here.

Keywords: modified optical; composite films; characteristics tio2; optical characteristics ... See more keywords
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Hierarchically assembled porous TiO2 nanoparticles with enhanced photocatalytic activity towards Rhodamine-B degradation

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Published in 2020 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"

DOI: 10.1016/j.colsurfa.2019.124199

Abstract: Abstract Despite tremendous advances in the development of photocatalysts for waste water treatment, the harmful chemicals used in the synthesis reaching the water bodies add up new environmental issues. In this work, hierarchically assembled porous… read more here.

Keywords: tio2; tio2 tio2; porous tio2; hierarchically assembled ... See more keywords
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Mechanochemical synthesis of ternary heterojunctions TiO2(A)/TiO2(R)/ZnO and TiO2(A)/TiO2(R)/SnO2 for effective charge separation in semiconductor photocatalysis: A comparative study.

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Published in 2021 at "Environmental research"

DOI: 10.1016/j.envres.2021.111841

Abstract: TiO2, ZnO, and SnO2 metal oxides were synthesized by the sol-gel method and heterojunctions were fabricated by combining TiO2 with either ZnO or SnO2 in a 1:1 ratio using mechanochemical ball milling process. The ball… read more here.

Keywords: tio2; tio2 tio2; sno2; ternary heterojunctions ... See more keywords
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Photocatalytic and biological activities of undoped and doped TiO2 prepared by Green method for water treatment

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Published in 2019 at "Journal of Environmental Chemical Engineering"

DOI: 10.1016/j.jece.2019.103385

Abstract: Abstract The present study reports an eco-friendly, rapid and easy method for the synthesis of TiO2, C-doped TiO2(C-TiO2), S-doped TiO2 (S-TiO2) and C, S co-doped TiO2(C,S-TiO2) nanoparticles (NPs) via Eichhornia aqueous extract using the sol-gel… read more here.

Keywords: doped tio2; treatment; method; tio2 ... See more keywords
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Influence of 100 keV Ar+ implantation on electrical and optical properties of TiO2/Ag/TiO2 multilayer films

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Published in 2018 at "Materials Science in Semiconductor Processing"

DOI: 10.1016/j.mssp.2017.11.016

Abstract: Abstract The objective of this study was to investigate the effect of 100 keV Ar+ ion implantation with fluence ranging from 1 × 1014 to 1 × 1016 ions/cm2 on structural, electrical and optical properties of TiO2/Ag/TiO2… read more here.

Keywords: tio2 tio2; microscopy; 100 kev; optical properties ... See more keywords
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Resistive switching and impedance characteristics of M/TiO2−x/TiO2/M nano-ionic memristor

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Published in 2018 at "Solid State Ionics"

DOI: 10.1016/j.ssi.2018.07.012

Abstract: Abstract Employing electrochemical impedance spectroscopy (EIS), we demonstrate a novel approach towards characterizing the switching behavior of nano-ionic memristor, M/TiO2−x/TiO2/M where M = Au, fabricated using combined RF/DC magnetron sputtering techniques. The non-linear resistive switching behavior of… read more here.

Keywords: tio2 tio2; nano ionic; impedance; ionic memristor ... See more keywords
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Pickering Emulsions of Fluorinated TiO2: A New Route for Intensification of Photocatalytic Degradation of Nitrobenzene

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Published in 2020 at "Langmuir"

DOI: 10.1021/acs.langmuir.0c02285

Abstract: Fluorination of the TiO2 surface has been often reported as a tool to increase the photocatalytic efficiency due to the beneficial effects in terms of production of oxidizing radicals. Moreover, it is shown that the… read more here.

Keywords: tio2; fluorinated tio2; degradation; tio2 tio2 ... See more keywords

Selective Hydrodeoxygenation of Guaiacol to Phenolics by Ni/Anatase TiO2 Catalyst Formed by Cross-Surface Migration of Ni and TiO2

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Published in 2019 at "ACS Catalysis"

DOI: 10.1021/acscatal.9b00400

Abstract: The catalytic properties of physical mixtures of Ni particles (100–200 nm) with nanoparticles of anatase TiO2 (TiO2-A), ZrO2, Al2O3, rutile TiO2 (TiO2-R), and CeO2 were investigated for the hydrodeoxygenation (HDO) of guaiacol. High selectivities to… read more here.

Keywords: hydrodeoxygenation; migration tio2; anatase tio2; tio2 ... See more keywords