Hierarchical zeolites containing embedded Cd<sub>0.2</sub>Zn<sub>0.8</sub>S as a photocatalyst for hydrogen production from seawater

Yuan, Yue; Wu, Faqi; Xiao, Shi-Tian; Wang, Yitian; Zhang, Yin; Tendeloo, Gustaaf Van; Chang, Ganggang; Hu, Zhi‐Yi; Wu, Shi; Yang, Xiaoyu

doi:10.1039/d3cc01409f

Chem. Commun.

2023

DOI: 10.1039/d3cc01409f

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Hierarchical zeolites containing embedded Cd_0.2Zn_0.8S as a photocatalyst for hydrogen production from seawater

Yue Yuan

Faqi Wu

Shi-Tian Xiao

et al.

Abstract: Uncovering an efficient and stable photocatalytic system for seawater splitting is a highly desirable but challenging goal. In this study, Cd0.2Zn0.8S@Silicalite-1 (CZS@S-1) composites, in which CZS is embedded in the...

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Synergistic Effect of RuCo and Hierarchical ZSM‐5 for Enhanced Hydrogen Generation

Lin,

Zeng,

et al. 2024

ChemCatChem

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A unique bifunctional catalyst comprised of acid site containing, hierarchical ZSM‐5 (contains acid sites) supported RuCo bimetal, was synthesized using a facile incipient wetness impregnation method. The synergistic interaction between zeolite acid sites and bimetals of this bifunctional material significantly improves its performance as a catalyst of hydrogen producing, dehydrogenation of ammonia borane.A unique bifunctional catalyst comprised of acid site containing, hierarchical ZSM‐5 (contains acid sites) supported RuCo bimetal, was synthesized using a facile incipient wetness impregnation method. The synergistic interaction between zeolite acid sites and bimetals of this bifunctional material significantly improves its performance as a catalyst of hydrogen producing, dehydrogenation of ammonia borane

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Synergistic Effect of RuCo and Hierarchical ZSM‐5 for Enhanced Hydrogen Generation

Lin,

Zeng,

et al. 2024

ChemCatChem

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Synergistic strategies in MOF on MOF photocatalysts: Review on exploring sustainable hydrogen generation from water splitting

Farooq,

Nazir,

ul Hassan

et al. 2024

Nano-Structures & Nano-Objects

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Directional Transport in Hierarchically Aligned ZSM-5 Zeolites with High Catalytic Activity

Zeng,

Wu,

Gao

et al. 2024

J. Am. Chem. Soc.

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Zeolites, the most technically important crystalline microporous materials, are indispensable cornerstones of chemical engineering because of their remarkable catalytic properties and adsorption capabilities. Numerous studies have demonstrated that the hierarchical engineering of zeolites can maximize accessible active sites and improve mass transport, which significantly decreases the internal diffusion limits to achieve the desired performance. However, the construction of hierarchical zeolites with ordered alignments and size-controlled substructures in a convenient way is highly challenging. Herein, we develop a facile procedure using two common structure-directing agents, tetrapropylammonium hydroxide (TPAOH) and tetraethylammonium hydroxide (TEAOH), to synthesize hierarchically aligned ZSM-5 (Hie-ZSM-5) crystals with a-axis alignment substructures of controllable size. The control of the substructure size (α) in the range of 10−60 nm and the corresponding similarity (r = α/β, where β is the size of Hie-ZSM-5) ranging from 0.004 to 0.033 can be tuned by varying the Si/Al ratios (40−120). A systematic investigation of the overall crystallization process, using time-dependent XRD, SEM, TEM, and solid-state magic-angle spinning NMR ( 13 C, 27 Al, 29 Si) methods, enable us to construct a solid mechanism for the generation of Hie-ZSM-5. Most importantly, directional transport in the unique structures of Hie-ZSM-5 efficiently enhances mass diffusion, as well as catalytic activity and stability. These findings improve our understanding of the zeolite crystallization process and inspire novel methods for the rational design of hierarchical zeolites.

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Hierarchical zeolites containing embedded Cd_0.2Zn_0.8S as a photocatalyst for hydrogen production from seawater

Abstract: Uncovering an efficient and stable photocatalytic system for seawater splitting is a highly desirable but challenging goal. In this study, Cd0.2Zn0.8S@Silicalite-1 (CZS@S-1) composites, in which CZS is embedded in the...

Cited by 3 publications

References 40 publications

Synergistic Effect of RuCo and Hierarchical ZSM‐5 for Enhanced Hydrogen Generation

Synergistic Effect of RuCo and Hierarchical ZSM‐5 for Enhanced Hydrogen Generation

Synergistic strategies in MOF on MOF photocatalysts: Review on exploring sustainable hydrogen generation from water splitting

Directional Transport in Hierarchically Aligned ZSM-5 Zeolites with High Catalytic Activity

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Hierarchical zeolites containing embedded Cd0.2Zn0.8S as a photocatalyst for hydrogen production from seawater

Abstract: Uncovering an efficient and stable photocatalytic system for seawater splitting is a highly desirable but challenging goal. In this study, Cd0.2Zn0.8S@Silicalite-1 (CZS@S-1) composites, in which CZS is embedded in the...

Cited by 3 publications

References 40 publications

Synergistic Effect of RuCo and Hierarchical ZSM‐5 for Enhanced Hydrogen Generation

Synergistic Effect of RuCo and Hierarchical ZSM‐5 for Enhanced Hydrogen Generation

Synergistic strategies in MOF on MOF photocatalysts: Review on exploring sustainable hydrogen generation from water splitting

Directional Transport in Hierarchically Aligned ZSM-5 Zeolites with High Catalytic Activity

Contact Info

Product

Resources

About

Hierarchical zeolites containing embedded Cd_0.2Zn_0.8S as a photocatalyst for hydrogen production from seawater