Articles with "cocatalyst" as a keyword



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Porphyrins‐Assisted Cocatalyst Engineering with Co—O—V Bond in BiVO4 Photoanode for Efficient Oxygen Evolution Reaction

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Published in 2023 at "Advanced Science"

DOI: 10.1002/advs.202206729

Abstract: The application of photoelectrochemical (PEC) water splitting is limited by the sluggish surface oxygen evolution reaction (OER) kinetics. OER kinetics can be effectively improved through cocatalyst engineering. However, the tardy transfer process and serious recombination… read more here.

Keywords: oxygen evolution; cocatalyst; photoanode; evolution reaction ... See more keywords
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Promoting the interfacial H2-evolution reaction of metallic Ag by Ag2S cocatalyst: A case study of TiO2/Ag-Ag2S photocatalyst

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Published in 2018 at "Applied Catalysis B: Environmental"

DOI: 10.1016/j.apcatb.2017.12.026

Abstract: Abstract Metallic Ag has been widely demonstrated to be an excellent oxygen-reduction cocatalyst to significantly improve the photocatalytic decomposition performance of various organic substances. However, as a H2-evolution cocatalyst, the improved photocatalytic performance by metallic… read more here.

Keywords: ag2s; evolution; tio2 ag2s; evolution reaction ... See more keywords

An insight into the trifunctional roles of Cu2(OH)2CO3 cocatalyst in boosting the photocatalytic H2 evolution activity over Zn0.5Cd0.5S nanoparticles

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Published in 2019 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2019.04.148

Abstract: Abstract The construction of efficient semiconductor/cocatalyst heterojunction is a promising strategy to promote the photocatalytic H2-production efficiency from water reduction. Herein, a novel Cu2(OH)2CO3/Zn0.5Cd0.5S heterojunction composite with superior photocatalytic H2-generation activity and stability was prepared… read more here.

Keywords: zn0 5cd0; cu2 2co3; cocatalyst; activity ... See more keywords

Synergy between Mn and Co in Mn/CoOx cocatalyst for enhanced photoelectrochemical water oxidation of hematite photoanode

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Published in 2022 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2021.151472

Abstract: Abstract Hematite (α-Fe2O3) photoanode is regarded widely as one of most promising photoanode candidates for photoelectrochemical (PEC) water splitting, while the poor surface reaction kinetics and severe charge recombination hinder its further application. Herein, a… read more here.

Keywords: photoanode; coox; cocatalyst; water oxidation ... See more keywords
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Selenium-enriched amorphous NiSe1+ nanoclusters as a highly efficient cocatalyst for photocatalytic H2 evolution

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Published in 2020 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2020.127230

Abstract: Abstract Exploiting and fabricating of novel non-noble metal cocatalysts with abundant active sites is highly required to boost the photocatalytic performance. Herein, selenium-enriched amorphous NiSe1+x nanoclusters (a-NiSe1+x) as a novel cocatalyst were rationally integrated with… read more here.

Keywords: tio2; selenium enriched; enriched amorphous; amorphous nise1 ... See more keywords
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Metallic NiSe cocatalyst decorated g-C3N4 with enhanced photocatalytic activity

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Published in 2020 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2020.127474

Abstract: Abstract Identifying suitable noble-metal-free cocatalyst-modified photocatalysts has received tremendous attention in the nonrenewable field. Herein, non-noble metal NiSe modified g-C3N4 was produced through an environmental-friendly hydrothermal method. The NiSe/g-C3N4 photocatalyst exhibited superior photocatalytic H2 production,… read more here.

Keywords: nise; photocatalytic activity; c3n4; nise c3n4 ... See more keywords
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A novel, noble-metal-free core-shell structure Ni–P@C cocatalyst modified sulfur vacancy-rich ZnIn2S4 2D ultrathin sheets for visible light-driven photocatalytic hydrogen evolution

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Published in 2021 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2020.157333

Abstract: Abstract Accelerating the carrier transfer and increasing the effective reaction site on the surface of photocatalyst are important measures to improve the hydrogen production of composite photocatalyst. Herein, through simultaneous carbonization and phosphorization strategies, a… read more here.

Keywords: ultrathin sheets; znin2s4 ultrathin; cocatalyst; hydrogen ... See more keywords
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Modulation of HCHO, H2O and H adsorption on AgPd cocatalyst by optimizing of selective exposed facet to enhancing the efficiency of conversion toxic formaldehyde into hydrogen driven by visible light

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Published in 2019 at "Journal of Catalysis"

DOI: 10.1016/j.jcat.2019.06.003

Abstract: Abstract An effective cocatalyst is crucial for the high efficient visible photocatalytic hydrogen generation from formaldehyde. In this study, we develop a novel active Ag 1 Pd 1 alloy cocatalyst with selective exposed (1 1 1) facet… read more here.

Keywords: selective exposed; cocatalyst; hydrogen; exposed facet ... See more keywords
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A novel cocatalyst of NiCoP significantly enhances visible-light photocatalytic hydrogen evolution over cadmium sulfide

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Published in 2017 at "Journal of Industrial and Engineering Chemistry"

DOI: 10.1016/j.jiec.2017.12.017

Abstract: Abstract The technology of photocatalytic hydrogen evolution (PHE) by water splitting is a clean and sustainable approach to solve energy crisis and environmental problem. Many efforts have been made to develop new materials for this… read more here.

Keywords: water; hydrogen evolution; photocatalytic hydrogen; cocatalyst ... See more keywords
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Amorphous WSx as an efficient cocatalyst grown on CdS nanoparticles via photochemical deposition for enhanced visible-light-driven hydrogen evolution

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Published in 2017 at "Molecular Catalysis"

DOI: 10.1016/j.mcat.2017.07.023

Abstract: Abstract Development of highly active and earth-abundant cocatalysts to replace scarce noble-metals is of great importance to realize large-scale and cost-efficient photocatalytic H 2 evolution reactions. Herein, we report that amorphous WS x cocatalyst grown… read more here.

Keywords: cocatalyst grown; grown cds; evolution; visible light ... See more keywords
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Ni(OH)2 quantum dots as a stable cocatalyst modified α-Fe2O3 for enhanced photoelectrochemical water-splitting

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Published in 2021 at "Chinese Journal of Catalysis"

DOI: 10.1016/s1872-2067(21)63829-9

Abstract: Abstract Depositing a cocatalyst has proven to be an important strategy for improving the photoelectrochemical (PEC) water-splitting efficiency of photoanodes. In this study, Ni(OH)2 quantum dots (Ni(OH)2 QDs) were deposited in situ onto an α-Fe2O3… read more here.

Keywords: quantum dots; water; cocatalyst; water oxidation ... See more keywords