ZnCo2S4/Zn0.2Cd0.8 S Z-scheme heterojunction: Efficient photocatalytic H2 evolution coupling selective oxidation of benzyl alcohol

Article Chemistry, Physical

Nanoarchitectonics of CdS/ZnSnO3 heterostructures for Z-Scheme mediated directional transfer of photo-generated charges with enhanced photocatalytic performance

Yingxian Wang et al.

Summary: The construction of CdS/ZnSnO3 heterostructures enables efficient charge transfer and internal electric field formation, promoting photocatalytic reactions. Additionally, these heterostructures exhibit high stability and activity.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2022)

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Article Chemistry, Physical

Synthesis of jet fuel and diesel range cycloalkanes with 2-methylfuran and benzaldehyde

Guangzhi Ren et al.

Summary: This study synthesized jet fuel and diesel range C-12 and C-17 cycloalkanes for the first time using 2-methylfuran and benzaldehyde, two platform compounds derived from lignocellulose. By investigating different catalysts and reaction conditions, the researchers achieved high yields of the desired products under mild conditions.

SUSTAINABLE ENERGY & FUELS (2022)

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Article Chemistry, Physical

Wavelength-dependent photoactivity of Zn Cd1−S and ZnCo2O4/Zn Cd1−S for H2 and H2O2 production

Min Chen et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2022)

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Article Chemistry, Applied

Efficient benzaldehyde photosynthesis coupling photocatalytic hydrogen evolution

Juanjuan Luo et al.

Summary: This study presents an efficient bifunctional catalyst NiS/CdS for selective photocatalytic synthesis of benzaldehyde and efficient hydrogen evolution under oxygen-free conditions. The synergistic catalytic effect between NiS and CdS enhances the photo-redox performance, resulting in high H2 generation rate and simultaneous BAD generation rate.

JOURNAL OF ENERGY CHEMISTRY (2022)

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Article Energy & Fuels

Enhanced Selective Photooxidation of Toluene to Benzaldehyde over Co3O4-Modified BiOBr/AgBr S-Scheme Heterojunction

Jie Deng et al.

Summary: In this study, a Co3O4-modified BiOBr/AgBr heterojunction was successfully constructed for the photocatalytic selective oxidation of sp(3) C-H bonds at the benzylic position. The resulting benzaldehyde product exhibited a high selectivity, which was attributed to the unique S-scheme charge-transfer mode. The combination of AgBr's photogenerated electrons and O-2 generated O2- radicals, which effectively oxidized the benzyl radicals on the Co3O4 surface and thermodynamically decomposed into benzaldehyde.

SOLAR RRL (2022)

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Article Energy & Fuels

Engineering the Interfacial Contact between Bi2WO6 and WO3 Heterojunction Photoanode for Improved Charge Transportation

Hoi Ying Chung et al.

Summary: In this study, Bi2WO6/WO3 heterojunction thin films were used as the photoanode for photoelectrochemical (PEC) reactions. By modulating the transformation of WO3 to Bi2WO6, different degrees of interfacial contact between Bi2WO6 and WO3 were achieved, and it was demonstrated that higher interfacial contact could enhance the anodic photocurrent.

ENERGY & FUELS (2022)

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Article Chemistry, Physical

Photocatalytic hydrogen evolution and antibiotic degradation by S-scheme ZnCo2S4/TiO2

Xiaojun Dai et al.

Summary: In this study, ZnCo2S4 nanoparticles were coupled on the surface of TiO2 to form S-scheme heterojunction. ZCS/TiO2 exhibited significantly improved photocatalytic performance under simulated sunlight, with hydrogen evolution efficiency reaching 5580 mu mol.g(-1).h(-1) and apparent quantum efficiency (AQY) of 11.5% at 420 nm. The enhancement of photocatalytic performance was mainly attributed to the S-scheme heterojunction, which improved electron-hole separation and charge transfer efficiency, as well as enhanced visible light absorption. This work provides a new approach for improving the performance of photocatalytic hydrogen evolution and TC degradation.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2022)

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Article Chemistry, Applied

Surface modulation of MoS2/O-ZnIn2S4 to boost photocatalytic H2 evolution

Yanhua Peng et al.

Summary: In this study, a surface modulation strategy using MoS2 modification was employed to enhance the photocatalytic activity of ZnIn2S4 nanosheets, resulting in remarkably superior photocatalytic H2 production performance.

JOURNAL OF ENERGY CHEMISTRY (2022)

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Article Chemistry, Physical

Precisely modifying Co2P/black TiO2 S-scheme heterojunction by in situ formed P and C dopants for enhanced photocatalytic H2 production

Lei Chen et al.

Summary: This study presents the modification of S-scheme heterojunction catalysts by introducing P and C dopants, which not only enhance the surface activity but also optimize the charge separation and migration. The modified Co2P/PC-b-TiO2 photocatalyst shows significantly improved photocatalytic hydrogen evolution performance and stability.

APPLIED CATALYSIS B-ENVIRONMENTAL (2022)

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Article Chemistry, Physical

Electrocatalytic oxidation of toluene into benzaldehyde based on molecular oxygen activation over oxygen vacancy of heteropoly acid

Ye Lv et al.

Summary: A series of heteropoly acid catalysts with different ratios of molybdenum and vanadium supported on carbon paper were synthesized. The catalyst HPMoV2 exhibited the highest electrocatalytic oxidation performance due to its suitable oxygen vacancy concentration and most uniform dispersion, achieving a benzaldehyde selectivity of 83.5% at a toluene conversion of 83.4%. In-situ Raman spectroscopy confirmed the activation and oxidation of toluene to benzaldehyde by active oxygen species adsorbed on oxygen vacancies of heteropoly acid.

APPLIED SURFACE SCIENCE (2022)

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Article Energy & Fuels

Synthesis and electrochemical mechanisms of yolk-shell ZnCo2S4 for high-performance supercapacitors

Hsing-I Hsiang et al.

Summary: Ternary metal sulfides with unique yolk-shell microstructure exhibit excellent electrochemical performance, making them suitable for supercapacitor electrodes.

JOURNAL OF ENERGY STORAGE (2022)

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Article Chemistry, Physical

Cooperative selective benzyl alcohol oxidation and hydrogen production over Pd6(SC12H25)12 cluster-coupled CdS nanorods: the key role of water in photocatalytic benzyl alcohol splitting

Dian Luo et al.

Summary: The photocatalytic splitting of alcohols into hydrogen and carbonyl compounds using solar light as the only energy input has potential applications in clean fuel production and high-value chemical synthesis. This study demonstrated the construction of a highly efficient photocatalyst for the selective oxidation of benzyl alcohol to benzaldehyde and hydrogen production by immobilizing atomically precise Pd-6(SC12H25)(12) clusters on CdS nanorods, resulting in significantly enhanced photocatalytic activity. Ultrafast transient absorption spectroscopy and density functional theory calculations revealed the mechanism of benzyl alcohol decomposition and highlighted the crucial role of water molecules at the atomic level.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

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Article Chemistry, Physical

Increasing unsaturated Se number and facilitating atomic hydrogen adsorption of WSe2+x nanodots for improving photocatalytic H2 production of TiO2

Duoduo Gao et al.

Summary: This study develops a strategy to regulate unsaturated selenium enrichment, which enhances the catalytic activity of co-catalysts by constructing WSe2+x amorphous nanodots with unsaturated selenium atoms. The Se-enriched WSe2+x/TiO2 exhibits superior photocatalytic activity for hydrogen evolution.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

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Article Chemistry, Physical

Cocatalyst decorated ZnIn2S4 composites for cooperative alcohol conversion and H2 evolution

Chang-Long Tan et al.

Summary: A facile method was reported for the photodriven conversion of biomass-derived platform chemicals by decorating ZnIn2S4 with sulfide-based cocatalysts. The optimal MoS2-ZIS composites showed significantly improved performance in the photoredox reaction, suggesting promising applications in efficient valorization of biomass-derived platform chemicals.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Materials Science, Ceramics

S-scheme bimetallic sulfide ZnCo2S4/g-C3N4 heterojunction for photocatalytic H2 evolution

Chenxuan Wang et al.

Summary: Transition bimetallic sulfides have shown superior electrochemical characteristics compared to their parent materials, with ZnCo2S4/CN exhibiting significantly enhanced photocatalytic water splitting activity. The presence of zinc and cobalt ions in ZnCo2S4 lowered the H-2 evolution overpotential and charge recombination rate, leading to excellent H-2 release activity. Trapping experiments confirmed the S-scheme charge transfer route between ZnCo2S4 and CN, demonstrating a promising bimetallic sulfide heterojunction for enhancing H-2 evolution during water splitting.

CERAMICS INTERNATIONAL (2021)

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Article Materials Science, Multidisciplinary

One-step chemical bath co-precipitation method to prepare high hydrogen-producing active ZnxCd1-xS solid solution with adjustable band structure

Lili Lu et al.

Summary: A series of ZnxCd1-xS solid solutions were synthesized via a one-step chemical bath co-precipitation method. The chemical composition of these solid solutions can be controlled by adjusting the ratio of Zn source to Cd source and the dosage of ammonia solution. In photocatalysis experiments, the Zn0.30Cd0.70S sample showed optimum water splitting performance with a high hydrogen evolution rate.

JOURNAL OF MATERIALS SCIENCE (2021)

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Article Chemistry, Physical

Charge-transfer-mediated photocatalysis of W18O49@CdS nanotubes to boost photocatalytic hydrogen production

Yurong Yang et al.

Summary: In this study, CdS@W18O49 nanotubes were prepared to enhance the photocatalytic activity and stability for hydrogen (H-2) production. By designing a direct Z-scheme structure, the lifetime of photo-generated carriers was prolonged, expanding the application potential of some catalysts with inherent drawbacks.

APPLIED SURFACE SCIENCE (2021)

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Article Chemistry, Physical

NiSe2/Cd0.5Zn0.5S as a type-II heterojunction photocatalyst for enhanced photocatalytic hydrogen evolution

Xue Zhang et al.

Summary: A designed type-II heterojunction photocatalyst, NiSe2/Cd0.5Zn0.5S (NiSe2/CZS), exhibits outstanding photocatalytic hydrogen evolution performance with a hydrogen production rate of approximately 121.01 mmol g(-1) h(-1) under visible light, thanks to the heterojunction structure promoting the separation of photogenerated electron-hole pairs and improving interfacial charge transfer properties.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2021)

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Article Nanoscience & Nanotechnology

Activating Titanium Metal with H2 Plasma for the Hydrogen Evolution Reaction

Tianzhu Zhang et al.

Summary: The study presents a simple and scalable strategy to activate titanium metal for the hydrogen evolution reaction (HER) in alkaline media through H2 plasma bombardment, resulting in significantly enhanced HER activity. It also demonstrates the effectiveness of hydrogen incorporation in tuning the adsorption energy of reaction species via charge redistribution, providing a novel route to activate metals for water splitting reactions.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Energy & Fuels

Ni foam conductive substrate supported interwoven ZnCo2S4 nanowires with highly enhanced performances for supercapacitors

Bogale Abebe Mola et al.

Summary: ZnCo2S4 nanowires were synthesized through a hydrothermal route and showed superior specific capacity and long cycle stability. The sulfidation process greatly affected the material's morphological structures and electrochemical properties, making it a promising candidate for supercapacitors.

JOURNAL OF ENERGY STORAGE (2021)

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Article Chemistry, Physical

Photocatalytic H2 Evolution Coupled with Furfuralcohol Oxidation over Pt-Modified ZnCdS Solid Solution

Zhongliao Wang et al.

Summary: The performance of current photocatalysts is limited by charge recombination and slow H-2 evolution, but a Pt nanocluster-modified ZnCdS solid solution can address these issues effectively by improving charge separation and accelerating H-2 evolution kinetics. As a result, the production rate of H-2 and efficiency of furfuralcohol oxidation can be significantly enhanced.

SMALL METHODS (2021)

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Article Chemistry, Physical

Insights into the critical dual-effect of acid treatment on ZnxCd1-xS for enhanced photocatalytic production of syngas under visible light

An Li et al.

Summary: The acid treatment of Zn0.5Cd0.5S nanocrystals induces phase transformation from sphalerite to wurtzite structure and increases sulfur vacancies, leading to enhanced photocatalytic production of syngas. The dual effect of phase transformation and sulfur vacancies in the photocatalyst significantly improves CO evolution during photocatalytic CO2 reduction under visible light irradiation, providing a facile approach for fabricating efficient photocatalysts.

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Article Energy & Fuels

Three-dimensional polypyrrole-enhanced flower-like ZnCo2S4 nanoclusters used as advanced electrodes for supercapacitors

Ying Wang et al.

Summary: This study successfully prepared three-dimensional flower-like ZnCo2S4@PPy composite material with remarkable electrochemical performance for potential use as supercapacitor electrode material. The unique flower-like core-shell structure contributed to the excellent performance of ZnCo2S4@PPy, making it a promising electrode material for future energy-storage devices.

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Photocatalytic enhancement of hydrogen production in water splitting under simulated solar light by band gap engineering and localized surface plasmon resonance of ZnxCd1-xS nanowires decorated by Au nanoparticles

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Direct Z-scheme ZnIn2S4/LaNiO3 nanohybrid with enhanced photocatalytic performance for H2 evolution

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ZnCo2S4/Zn0.2Cd0.8 S Z-scheme heterojunction: Efficient photocatalytic H2 evolution coupling selective oxidation of benzyl alcohol

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