A bimetallic sulfide CuCo2S4 with good synergistic effect was constructed to drive high performance photocatalytic hydrogen evolution

Li, Lingjiao; Xu, Jing; Ma, Jingtan; Liu, Zeying; Li, Yanru

doi:10.1016/j.jcis.2019.05.036

Cited by 74 publications

(29 citation statements)

References 45 publications

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“…[1][2][3][4][5][6] Among the alternative energy sources, hydrogen (H 2 ) is thought to be an ideal substitute to alleviate energy and environmental problems because of its high energy density, zero pollution, as well as sustainable and regenerative features. [7][8][9] Currently, many efforts have been devoted to exploiting semiconductor-based photocatalysts, such as cadmium sulfide (CdS), [10][11][12] titanium dioxide (TiO 2 ) , 13,14 bimetallic sulfides, 15,16 bimetallic phosphides 17 and graphite-like phase carbon nitride (g-C 3 N 4 ). 4,[18][19][20][21] g-C 3 N 4 is a rising star amongst these because of its appropriate bandgap, lowcost, nontoxic and earth-abundant nature, facile preparation and high thermal/ chemical stability.…”

Section: Introductionmentioning

confidence: 99%

Cu₃P and Ni₂P co‐modified g‐C₃N₄ nanosheet with excellent photocatalytic H₂ evolution activities

Sun

Shi

et al. 2020

J of Chemical Tech & Biotech

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Copper-nickel phosphides/ graphite-like phase carbon nitride (Cu 3 P-Ni 2 P/g-C 3 N 4) composites were obtained through a facile one-pot in situ solvothermal approach. The coexistence of Cu 3 P and Ni 2 P plays an important role in enhancing the catalytic activity of g-C 3 N 4. The 7 wt% Cu 3 P-Ni 2 P/g-C 3 N 4 bimetallic phosphide photocatalyst demonstrates the best photocatalytic hydrogen (H 2) evolution rate of 6529.8 ∼mol g −1 h −1 , which is 80.7-fold higher than that of g-C 3 N 4. The apparent quantum yield (AQE) was determined to be 18.5% at 400 nm over the 7% Cu 3 P-Ni 2 P/g-C 3 N 4. This in situ growth strategy produced intimate contact interfaces, leading to a significantly promoted separation of charge carriers, and hence strengthened the photocatalytic H 2 production. Moreover, the coexistence of Cu 3 P and Ni 2 P reduced the overpotential of H 2 during the evolution process, further benefiting H 2 production. Finally, the photocatalytic enhancement mechanism was proposed and verified by fluorescence and electrochemical analysis. This work provides a low-cost strategy to synthesize nonprecious bimetallic phosphides/ carbon nitride photocatalyst with outstanding H 2 production activity.

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Section: Introductionmentioning

confidence: 99%

Cu₃P and Ni₂P co‐modified g‐C₃N₄ nanosheet with excellent photocatalytic H₂ evolution activities

Sun

Shi

et al. 2020

J of Chemical Tech & Biotech

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“…In case of sulfide photocatalyst, amines and sulfide/sulfite-based sacrificial agents can get easily adsorbed on the surface of the catalyst and consume holes when compared to alcohols and sugar. The use of alcohols and sugars produces a neutral pH medium while amines and mixtures of sulfide and sulfite produce a high alkaline medium which is preferential for efficient H2 production [71,72]. Li et al, (2010) in their work have used biomass glucose as an electron donor.…”

Section: Role Of Sacrificial Agentmentioning

confidence: 99%

“…A quantum yield of 2.48% was achieved for the photo-catalytically active CuCo2S4 nanosheets under visible light and it exhibited excellent weight-normalized photoactivity generating H2 at the rate of 25,900 μmol g⁻¹ h⁻¹. CuCo2S4 nanosheets have been considered important due to the extraordinary longterm operational stability up to 12 h study time without using any co-catalyst [70,71].…”

Section: Compounds With Ab2x4 Structure Other Than Znin2s4mentioning

confidence: 99%

Hierarchical Ternary Sulfides as Effective Photocatalyst for Hydrogen Generation Through Water Splitting: A Review on the Performance of ZnIn2S4

et al. 2021

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One of the major aspects and advantages of solar energy conversion is the photocatalytic hydrogen generation using semiconductor materials for an eco-friendly technology. Designing a low-cost efficient material to overcome limited light absorption as well as rapid recombination of photogenerated charge carriers is essential to achieve considerable hydrogen generation. In recent years, sulfide based semiconductors have attracted scientific research interest due to their excellent solar response and narrow band gap. The present review focuses on the recent approaches in the development of hierarchical ternary sulfide based photocatalysts with a special focus on ZnIn2S4. We also observe how the electronic structure of ZnIn2S4 is beneficial for water splitting and the various strategies involved for improving the material efficiency for photocatalytic hydrogen generation. The review places emphasis on the latest advancement/new insights on ZnIn2S4 being used as an efficient material for hydrogen generation through photocatalytic water splitting. Recent progress on essential aspects which govern light absorption, charge separation and transport are also discussed in detail.

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“…These materials attracted lots of attentions after their discovery by the Linnaeite group of the Swedish Carl Linnaeus in 1845, which caused more efforts in identification of more layered transition metal sulfides and also oxides. CuCo2S4 as a member of the carrollite compounds category is a notable material because of having the low-cost, nontoxic, abundant and available constituents [1,2]. On the other hand, metal oxide materials are widely available materials with crystalline structures and different applications in various fields e.g., electrical/optical industry, redox reactions, catalyst production, agricultural industry, drug delivery/medicine, etc.…”

Section: Introductionmentioning

confidence: 99%

“…Amongst different techniques such as sol-gel, hydrothermal/solvothermal, precipitation/calcination methods, microwave assisted method is considered as a facile and rapid strategy to produce nanomaterials. [2][3][4][5][6][7][8]. As a matter of fact, the synthesis of hetero-structured CuCo2S4/CuCo2O4 nanoparticles using ultra-fast solvent free microwave assisted procedure has not been yet reported.…”

Section: Introductionmentioning

confidence: 99%

Facile Microwave-Assisted Preparation of Hetero-Structured CuCo2S4/CuCo2O4 Nanoparticles Using Organic Agent of Thiourea

Bahmani

Imani

Tadjarodi

2020

The 24th International Electronic Conference on Synthetic Organic Chemistry

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Ultra-fast one-put microwave assisted strategy is introduced for the synthesis of heterostructured CuCo2S4/CuCo2O4 nanoparticles into a domestic microwave oven with the power of 900 W for 20 min. Thiourea as an organic agent was used as a sulfur source and driving agent to lead the solvent free combustion reaction to obtain this earth-abundant and low-cost mixed chalcogenide/oxide product. The structural and morphological specifications were studied in details using powder x-ray diffraction (XRD), fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM) and energy dispersion of x-ray spectrometry (EDX). The employed strategy relatively clarifies a new facile, rapid and eco-friendly route to produce heterostructured nanocomposites for different functional purposes.

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A bimetallic sulfide CuCo2S4 with good synergistic effect was constructed to drive high performance photocatalytic hydrogen evolution

Cited by 74 publications

References 45 publications

Cu₃P and Ni₂P co‐modified g‐C₃N₄ nanosheet with excellent photocatalytic H₂ evolution activities

Cu₃P and Ni₂P co‐modified g‐C₃N₄ nanosheet with excellent photocatalytic H₂ evolution activities

Hierarchical Ternary Sulfides as Effective Photocatalyst for Hydrogen Generation Through Water Splitting: A Review on the Performance of ZnIn2S4

Facile Microwave-Assisted Preparation of Hetero-Structured CuCo2S4/CuCo2O4 Nanoparticles Using Organic Agent of Thiourea

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A bimetallic sulfide CuCo2S4 with good synergistic effect was constructed to drive high performance photocatalytic hydrogen evolution

Cited by 74 publications

References 45 publications

Cu3P and Ni2P co‐modified g‐C3N4 nanosheet with excellent photocatalytic H2 evolution activities

Cu3P and Ni2P co‐modified g‐C3N4 nanosheet with excellent photocatalytic H2 evolution activities

Hierarchical Ternary Sulfides as Effective Photocatalyst for Hydrogen Generation Through Water Splitting: A Review on the Performance of ZnIn2S4

Facile Microwave-Assisted Preparation of Hetero-Structured CuCo2S4/CuCo2O4 Nanoparticles Using Organic Agent of Thiourea

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Product

Resources

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Cu₃P and Ni₂P co‐modified g‐C₃N₄ nanosheet with excellent photocatalytic H₂ evolution activities

Cu₃P and Ni₂P co‐modified g‐C₃N₄ nanosheet with excellent photocatalytic H₂ evolution activities