Articles with "cu2s" as a keyword



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Photoelectrochemical CO2 reduction by Cu2O/Cu2S hybrid catalyst immobilized in TiO2 nanocavity arrays

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Published in 2019 at "Journal of Materials Science"

DOI: 10.1007/s10853-019-03615-4

Abstract: Photoelectrocatalytic CO2 reduction to CO was achieved on Cu2O/Cu2S nanoparticles which are immobilized in TiO2 nanocavity array. The Cu2S shell was obtained by ions exchange reaction of O2− and S2− on the surface of Cu2O… read more here.

Keywords: co2 reduction; cu2o cu2s; cu2s;
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Thermoelectric properties of multi-walled carbon nanotube-embedded Cu2S thermoelectric materials

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Published in 2019 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-019-00816-0

Abstract: Cuprous sulfide (Cu2S)/carbon nanotube (CNT) composites were successfully fabricated using a simple one-step ultrasonic reaction method in this study. Morphological observation confirmed that the CNTs were homogeneously embedded into Cu2S matrix, therefore the thermoelectric performance… read more here.

Keywords: thermoelectric properties; embedded cu2s; carbon nanotube; cu2s ... See more keywords
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Controllable growth of MoS2 nanosheets on novel Cu2S snowflakes with high photocatalytic activity

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Published in 2018 at "Applied Catalysis B: Environmental"

DOI: 10.1016/j.apcatb.2018.03.074

Abstract: Abstract Herein, we, for the first time, report the controllable syntheses of the snowflake-like Cu2S architectures by using a template free, facile hydrothermal route, in which thiourea as the precursor of sulfur and EDA as… read more here.

Keywords: photocatalytic activity; mos2 cu2s; mos2 nanosheets; cu2s ... See more keywords
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Si–O–C amorphous coatings as a perspective protection against oxidation-caused degradation of Cu2S superionic thermoelectric materials

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Published in 2021 at "Ceramics International"

DOI: 10.1016/j.ceramint.2021.01.162

Abstract: Abstract In recent years, due to very high achieved values of the thermoelectric figure of merit ZT, materials based on Cu2S are one of the most intensively studied thermoelectric materials. The problem of decomposition of… read more here.

Keywords: amorphous coatings; oxidation; coatings perspective; cu2s ... See more keywords
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Quenching of tryptophan fluorescence by colloidal Cu2S nanoparticles through static and dynamic modes under different solution pH

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Published in 2020 at "Chemical Physics"

DOI: 10.1016/j.chemphys.2019.110644

Abstract: Abstract The study of the interaction between biomolecules and nanoparticles (NPs) is interesting since the dimensions of the two overlap to some extent. Herein, the interaction of an essential amino acid, tryptophan, with Cu2S NPs… read more here.

Keywords: tryptophan cu2s; fluorescence; cu2s; cu2s nps ... See more keywords
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Cost effective and facile low temperature hydrothermal fabrication of Cu2S thin films for hydrogen evolution reaction in seawater splitting

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Published in 2021 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2021.06.153

Abstract: Abstract Electrolysis of seawater gets an attention to produce hydrogen for renewable energy technology. It significantly reduces the use of fresh water instead of seawater. Development of low temperature fabrication of electrocatalyst can explore seawater… read more here.

Keywords: seawater; hydrogen; cu2s; seawater splitting ... See more keywords
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A Cu2O/Cu2S-ZnO/CdS tandem photoelectrochemical cell for self-driven solar water splitting

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Published in 2017 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2016.12.261

Abstract: Abstract A self-driven tandem cell for overall water splitting composed of a p-Cu2O photocathode modified with a thin Cu2S layer connected to a n-ZnO/CdS nanowire photoanode is demonstrated. By calculating the absorbed photon flux, it… read more here.

Keywords: water splitting; zno cds; water; cu2s ... See more keywords

Snowflake-like Cu2S/Zn0.5Cd0.5S p–n heterojunction photocatalyst for enhanced visible light photocatalytic H2 evolution activity

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Published in 2019 at "Journal of the Taiwan Institute of Chemical Engineers"

DOI: 10.1016/j.jtice.2018.12.021

Abstract: Abstract Building a p–n heterojunction can accelerate the separation and transfer of photoinduced charges, which is considered to be a promising approach to constructing photocatalysts with excellent H2 evolution activities. Herein, novel snowflake-like Cu2S/Zn0.5Cd0.5S heterojunction… read more here.

Keywords: zn0 5cd0; cu2s zn0; heterojunction; cu2s ... See more keywords
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Solution-Processed Cu2S Nanostructures for Solar Hydrogen Production

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Published in 2023 at "Chemistry of Materials"

DOI: 10.1021/acs.chemmater.2c03489

Abstract: Cu2S is a promising solar energy conversion material due to its suitable optical properties, high elemental earth abundance, and nontoxicity. In addition to the challenge of multiple stable secondary phases, the short minority carrier diffusion… read more here.

Keywords: solar hydrogen; cu2s thin; hydrogen production; cu2s ... See more keywords
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Co9S8 Nanosheet Coupled Cu2S Nanorod Heterostructure as Efficient Catalyst for Overall Water Splitting.

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Published in 2021 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.0c20820

Abstract: Electrocatalytic water splitting is a promising technology for large-scale hydrogen production. However, it requires efficient catalysts to overcome the large overpotentials in the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). Herein, we report… read more here.

Keywords: water splitting; water; co9s8 nanosheet; cu2s ... See more keywords
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The size controlled synthesis of Cu2S/P25 hetero junction solar-energy-materials and their applications in photocatalytic degradation of dyes

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Published in 2017 at "RSC Advances"

DOI: 10.1039/c7ra07253h

Abstract: In this paper highly dispersed Cu2S nanocrystals loaded on commercially available TiO2 form P25, denoted as Cu2S/P25, was firstly fabricated by a deposition–precipitation process, to establish close pn hetero junctions to improve the visible light… read more here.

Keywords: p25; cu2s; size; cu2s p25 ... See more keywords