Articles with "wo3" as a keyword



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Electrostatic-Driven Exfoliation and Hybridization of 2D Nanomaterials.

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Published in 2017 at "Advanced materials"

DOI: 10.1002/adma.201700326

Abstract: Here, direct and effective electrostatic-driven exfoliation of tungsten trioxide (WO3 ) powder into atomically thin WO3 nanosheets is demonstrated for the first time. Experimental evidence together with theoretical simulations clearly reveal that the strong binding… read more here.

Keywords: electrostatic driven; exfoliation hybridization; exfoliation; driven exfoliation ... See more keywords

TiO2/WO3 Bilayer as Electron Transport Layer for Efficient Planar Perovskite Solar Cell with Efficiency Exceeding 20%

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Published in 2019 at "Advanced Materials Interfaces"

DOI: 10.1002/admi.201901406

Abstract: It is crucial to retard the carrier recombination and minimize the energy loss at the transparent electrode/electron transport layer (ETL)/perovskite absorber interfaces to improve the performance of the perovskite solar cells (PSCs). Here, a bilayered… read more here.

Keywords: perovskite; wo3; tio2 wo3; electron transport ... See more keywords
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PVP Treatment Induced Gradient Oxygen Doping in In2S3 Nanosheet to Boost Solar Water Oxidation of WO3 Nanoarray Photoanode

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Published in 2020 at "Advanced Energy Materials"

DOI: 10.1002/aenm.201903951

Abstract: The photoelectrochemical performance of the WO3 photoanode is limited by the severe charge recombination in the bulk phase and at the WO3/electrolyte interface. Herein, In2S3 nanosheets are integrated onto the surface of the WO3 nanowall… read more here.

Keywords: oxygen doping; wo3; gradient oxygen; photoanode ... See more keywords
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P-Induced Permeation of Nickel into WO3 Octahedra to Form a Synergetic Catalyst for Urea Oxidation.

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Published in 2022 at "ChemSusChem"

DOI: 10.1002/cssc.202201584

Abstract: Small molecules induction can achieve the oriented migration of metal elements, which affords functional materials with synergistic components. In this paper, P-WO3/NF catalyst was obtained by phosphating the nickel foam (NF) supported octahedral WO3 with… read more here.

Keywords: wo3; induced permeation; catalyst; urea oxidation ... See more keywords
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An investigation of photovoltaic devices based on p‐type Cu2O and n‐type γ‐WO3 junction through an electrolyte solution containing a redox pair

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Published in 2020 at "International Journal of Energy Research"

DOI: 10.1002/er.5974

Abstract: In this article, we report a solar cell prepared with p‐type cuprous oxide (Cu2O) and n‐type gamma‐tungsten oxide (γ‐WO3) films combined by an redox electrolyte in a configuration similar to that used in dye‐sensitized solar… read more here.

Keywords: wo3; type wo3; cu2o; redox pair ... See more keywords
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A New Facile Synthesis of Tungsten Oxide from Tungsten Disulfide: Structure Dependent Supercapacitor and Negative Differential Resistance Properties.

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Published in 2018 at "Small"

DOI: 10.1002/smll.201702881

Abstract: Tungsten oxide (WO3 ) is an emerging 2D nanomaterial possessing unique physicochemical properties extending a wide spectrum of novel applications which are limited due to lack of efficient synthesis of high-quality WO3 . Here, a… read more here.

Keywords: synthesis; density; differential resistance; tungsten oxide ... See more keywords
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Tungsten Nitride, Well-Dispersed on Porous Carbon: Remarkable Catalyst, Produced without Addition of Ammonia, for the Oxidative Desulfurization of Liquid Fuel.

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Published in 2019 at "Small"

DOI: 10.1002/smll.201901564

Abstract: Polyanilines (pANIs), loaded with phosphotungstic acid (PTA), are pyrolyzed to get WO3 or W2 N (≈6 and ≈7 nm, respectively), which is well-dispersed on pANI-derived porous carbons (pDCs). Depending on the pyrolysis temperature, WO3 /pDC,… read more here.

Keywords: well dispersed; ammonia; pdc; catalyst ... See more keywords
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Effect of Pd and Cu co-catalyst on the charge carrier trapping, recombination and transfer during photocatalytic hydrogen evolution over WO3–TiO2 heterojunction

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Published in 2020 at "Journal of Materials Science"

DOI: 10.1007/s10853-020-05188-z

Abstract: Co-catalysts are well known for improving the charge carrier’s separation and transfer to species in solution, and hence, the photocatalytic hydrogen production. Thus, in this work, the effect of loading Cu and Pd species over… read more here.

Keywords: wo3 tio2; photocatalytic hydrogen; charge; transfer ... See more keywords
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Significantly enhanced dielectric permittivity and low loss in epoxy composites incorporating 3d W-WO3/BaTiO3 foams

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Published in 2020 at "Journal of Materials Science"

DOI: 10.1007/s10853-020-05536-z

Abstract: With the rapid development of miniaturization and high integration of electronic devices, increasing attention has been paid to the exploration of dielectric composites with further improved dielectric permittivities. Herein, a unique design of high dielectric… read more here.

Keywords: dielectric permittivity; wo3 batio3; low loss; wo3 ... See more keywords
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Controllable preparation of three-dimensional porous WO3 with enhanced visible light photocatalytic activity via a freeze-drying method

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Published in 2018 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-018-8996-1

Abstract: Three dimensional porous WO3 was fabricated by a novel freeze-drying method using a polyvinyl alcohol (PVA)/phosphotungstic acid (H3PW12O40) aqueous solution as the precursor followed by calcination. Results revealed that WO3 interconnected porous structures have channels… read more here.

Keywords: three dimensional; dimensional porous; freeze drying; porous wo3 ... See more keywords
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Effect of ZnO/WO3 additives on sintering behavior and microwave dielectric properties of (Sr,Ca)TiO3–(Sm,Nd)AlO3 ceramics

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Published in 2018 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-018-9012-5

Abstract: The effect of ZnO/WO3 additives on phase composition, microstructures, sintering behavior, and microwave dielectric properties of 0.7(Sr0.01Ca0.99)TiO3–0.3(Sm0.75Nd0.25)AlO3 (7SCT–3SNA) ceramics prepared via conventional solid-state route were systematically investigated. All the samples exhibited pure perovskite structures, and… read more here.

Keywords: zno wo3; dielectric properties; microwave dielectric; wo3 additives ... See more keywords