Core-shell nanoconfinement: Nanoreactors for directional electron migration in photothermal-assisted photocatalytic hydrogen production

Shen, Yu; Shi, Yuxing; Chen, Zhouze; Zhang, Shunhong; Chen, Keyi; Luo, Xuefeng; Guo, Feng; Wang, Guangzhao; Shi, Weilong

doi:10.1016/j.cej.2024.149607

Chemical Engineering Journal

2024

DOI: 10.1016/j.cej.2024.149607

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Core-shell nanoconfinement: Nanoreactors for directional electron migration in photothermal-assisted photocatalytic hydrogen production

Yu Shen,

Yuxing Shi,

Zhouze Chen

et al.

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Cited by 34 publications

References 76 publications

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Plasma‐Induced Construction of S‐Scheme Heterojunctions Enables Photo‐Enhanced Peroxymonosulfate Activation for Gaseous Toluene Removal

Miao,

Yao,

et al. 2024

Advanced Energy Materials

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Selective activation of peroxymonosulfate (PMS) represents an efficient route to generate the reactive oxygen species (ROS) for the degradation and deep mineralization of organic pollutants, but its activity and selectivity are remarkably lower than what is needed. Herein, an S‐scheme heterojunction is developed to effectively modify surface electronic properties and introduce abundant oxygen vacancies, thereby enabling photo‐enhanced PMS activation for selective removal of gaseous toluene. S‐scheme heterojunction is fabricated by in situ growth of ultrathin Co3O4 nanoparticles on g‐C3N4 nanosheets through a rapid plasma treatment. The electronic field at the S‐scheme heterostructure interface of Co3O4/g‐C3N4 (COCN) facilitates charge transfer, selectively removing low‐redox electrons and holes while separating high‐redox ones. Photo‐excited electrons promote the Co3+/Co2+ redox cycle, thereby enhancing ROS generation and creating continuous PMS activation sites. The COCN catalyst demonstrates remarkably high degradation efficiency (90.2%) and mineralization rate (68.5%) for flowing gaseous toluene in aqueous solution. This study thus provides a feasible strategy for plasma‐induced electronic modulation and offers new insights for future heterojunction design aimed at efficient PMS activation.

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Plasma‐Induced Construction of S‐Scheme Heterojunctions Enables Photo‐Enhanced Peroxymonosulfate Activation for Gaseous Toluene Removal

Miao,

Yao,

et al. 2024

Advanced Energy Materials

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Recent Advances of Bimetallic Sulfides‐Based Nanomaterials for Photocatalytic Hydrogen Production

Zhao,

Sun,

et al. 2024

Energy Tech

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Photocatalytic hydrogen production from water splitting is an environmentally friendly and cost‐effective technology to achieve green hydrogen. In recent years, bimetallic sulfides (BMS) have been considered as promising candidates compared to monometallic sulfides due to the tunable energy band structure, higher number of active sites, and good chemical stability, resulting in high performance of photocatalytic hydrogen production. Herein, recent progress of BMS in photocatalytic hydrogen production has been addressed comprehensively. First, two commonly employed methods for synthesizing BMS with tailored morphological characteristics are discussed and compared. Then, the main functions of BMS are unraveled to aid in promoting photocatalytic hydrogen evolution performance intrinsically. Detailed applications of BMS both as a single photocatalyst and in heterojunction composite systems of three typical categories with unique properties and catalytic performance are summarized, focusing on their charge transfer behaviors and hydrogen production performance. In the end, research trends and prospects of BMS‐based photocatalysts are also proposed. This review is believed to unveil new advances and features of BMS‐based nanomaterials toward practical benefits and future research for highly efficient and robust photocatalytic H2 generation catalysts.

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Enhanced Photothermal‐Assisted Hydrogen Production via a Porous Carbon@MoS₂/ZnIn₂S₄ Type II‐S‐Scheme Tandem Heterostructure

Li,

Ma,

et al. 2024

Small

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MoS2/ZnIn2S4 flower‐like heterostructures into porous carbon (PC@MoS2/ZIS) are embedded. This ternary heterostructure demonstrates enhanced light absorption across a broad spectral range from 200 to 2500 nm. It features both Type‐II and S‐scheme dual heterojunction interfaces, which facilitate the generation, separation, and transfer of photoinduced carriers. The PC enveloped by MoS2/ZIS composite microspheres serves as a photothermal source, providing additional energy to the carriers. This process accelerates charge separation and migration, enhancing photothermal‐assisted photocatalytic H2 evolution. The optimal H2 evolution rate for PC@MoS2/ZIS reaches an impressive 18.79 mmol g−1 h−1, with an apparent quantum efficiency of 14.1% at 400 nm. This work presents a promising approach for effectively integrating multicomponent heterostructures with photothermal effects, offering innovative strategies for efficient solar energy utilization and conversion.

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Core-shell nanoconfinement: Nanoreactors for directional electron migration in photothermal-assisted photocatalytic hydrogen production

Cited by 34 publications

References 76 publications

Plasma‐Induced Construction of S‐Scheme Heterojunctions Enables Photo‐Enhanced Peroxymonosulfate Activation for Gaseous Toluene Removal

Plasma‐Induced Construction of S‐Scheme Heterojunctions Enables Photo‐Enhanced Peroxymonosulfate Activation for Gaseous Toluene Removal

Recent Advances of Bimetallic Sulfides‐Based Nanomaterials for Photocatalytic Hydrogen Production

Enhanced Photothermal‐Assisted Hydrogen Production via a Porous Carbon@MoS₂/ZnIn₂S₄ Type II‐S‐Scheme Tandem Heterostructure

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Core-shell nanoconfinement: Nanoreactors for directional electron migration in photothermal-assisted photocatalytic hydrogen production

Cited by 34 publications

References 76 publications

Plasma‐Induced Construction of S‐Scheme Heterojunctions Enables Photo‐Enhanced Peroxymonosulfate Activation for Gaseous Toluene Removal

Plasma‐Induced Construction of S‐Scheme Heterojunctions Enables Photo‐Enhanced Peroxymonosulfate Activation for Gaseous Toluene Removal

Recent Advances of Bimetallic Sulfides‐Based Nanomaterials for Photocatalytic Hydrogen Production

Enhanced Photothermal‐Assisted Hydrogen Production via a Porous Carbon@MoS2/ZnIn2S4 Type II‐S‐Scheme Tandem Heterostructure

Contact Info

Product

Resources

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Enhanced Photothermal‐Assisted Hydrogen Production via a Porous Carbon@MoS₂/ZnIn₂S₄ Type II‐S‐Scheme Tandem Heterostructure