Carbon capture and conversion using metal–organic frameworks and MOF-based materials

Chemical Society Reviews, Год журнала: 2019, Номер 48(10), С. 2783 - 2828

Опубликована: Янв. 1, 2019

Rapidly increasing atmospheric CO2 concentrations threaten human society, the natural environment, and synergy between two. In order to ameliorate problem, carbon capture conversion techniques have been proposed. Metal-organic framework (MOF)-based materials, a relatively new class of porous materials with unique structural features, high surface areas, chemical tunability stability, extensively studied respect their applicability such techniques. Recently, it has become apparent that capabilities MOF-based significantly boost potential toward conversion. Furthermore, materials' well-defined structures greatly facilitate understanding structure-property relationships roles in this review, we provide comprehensive account significant progress design synthesis including MOFs, MOF composites derivatives, application Special emphases on capacities catalytic performances are discussed.

Язык: Английский

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Cocatalysts for Selective Photoreduction of CO₂into Solar Fuels

Chemical Reviews, Год журнала: 2019, Номер 119(6), С. 3962 - 4179

Опубликована: Фев. 14, 2019

Photoreduction of CO2 into sustainable and green solar fuels is generally believed to be an appealing solution simultaneously overcome both environmental problems energy crisis. The low selectivity challenging multi-electron photoreduction reactions makes it one the holy grails in heterogeneous photocatalysis. This Review highlights important roles cocatalysts selective photocatalytic reduction using semiconductor catalysts. A special emphasis this review placed on key role, design considerations modification strategies for photoreduction. Various cocatalysts, such as biomimetic, metal-based, metal-free, multifunctional ones, their are summarized discussed, along with recent advances area. provides useful information highly photo(electro)reduction electroreduction complements existing reviews various photocatalysts.

Язык: Английский

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Selective visible-light-driven photocatalytic CO2 reduction to CH4 mediated by atomically thin CuIn5S8 layers

Nature Energy, Год журнала: 2019, Номер 4(8), С. 690 - 699

Опубликована: Июль 22, 2019

Язык: Английский

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Construction of ZnIn₂S₄–In₂O₃ Hierarchical Tubular Heterostructures for Efficient CO₂ Photoreduction

Journal of the American Chemical Society, Год журнала: 2018, Номер 140(15), С. 5037 - 5040

Опубликована: Март 29, 2018

We demonstrate the rational design and construction of sandwich-like ZnIn2S4-In2O3 hierarchical tubular heterostructures by growing ZnIn2S4 nanosheets on both inner outer surfaces In2O3 microtubes as photocatalysts for efficient CO2 photoreduction. The unique integrates into one-dimensional (1D) open architectures with double-heterojunction shells ultrathin two-dimensional (2D) nanosheet subunits. This accelerates separation transfer photogenerated charges, offers large surface area adsorption, exposes abundant active sites catalysis. Benefiting from structural compositional merits, optimized photocatalyst exhibits outstanding performance reductive deoxygenation considerable CO generation rate (3075 μmol h-1 g-1) high stability.

Язык: Английский

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Recent advances in metal sulfides: from controlled fabrication to electrocatalytic, photocatalytic and photoelectrochemical water splitting and beyond

Chemical Society Reviews, Год журнала: 2019, Номер 48(15), С. 4178 - 4280

Опубликована: Янв. 1, 2019

This review describes an in-depth overview and knowledge on the variety of synthetic strategies for forming metal sulfides their potential use to achieve effective hydrogen generation beyond.

Язык: Английский

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Metal–organic framework-derived porous materials for catalysis

Coordination Chemistry Reviews, Год журнала: 2018, Номер 362, С. 1 - 23

Опубликована: Фев. 23, 2018

Язык: Английский

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Formation of Hierarchical Co₉S₈@ZnIn₂S₄ Heterostructured Cages as an Efficient Photocatalyst for Hydrogen Evolution

Journal of the American Chemical Society, Год журнала: 2018, Номер 140(45), С. 15145 - 15148

Опубликована: Окт. 31, 2018

Here we demonstrate the delicate design and construction of hierarchical Co9S8@ZnIn2S4 heterostructured cages as an efficient photocatalyst for hydrogen evolution with visible light. Two photoactive sulfide semiconductors are rationally integrated into a hollow structure strongly coupled heterogeneous shells two-dimensional ultrathin subunits. The unique architecture can efficiently facilitate separation transfer light-induced charges, offer large surface area, expose rich active sites photocatalytic redox reactions. Owing to distinctive structural compositional benefits, heterostructures without using any cocatalysts show remarkable activity hydrogen-producing rate 6250 μmol h–1 g–1 high stability water splitting.

Язык: Английский

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Hollow Nanostructures for Photocatalysis: Advantages and Challenges

Advanced Materials, Год журнала: 2018, Номер 31(38)

Опубликована: Авг. 19, 2018

Abstract Photocatalysis for solar‐driven reactions promises a bright future in addressing energy and environmental challenges. The performance of photocatalysis is highly dependent on the design photocatalysts, which can be rationally tailored to achieve efficient light harvesting, promoted charge separation transport, accelerated surface reactions. Due its unique feature, semiconductors with hollow structure offer many advantages photocatalyst including improved scattering reduced distance migration directed separation, abundant reactive sites shells. Herein, relationship between nanostructures their photocatalytic are discussed. summarized as: 1) enhancement harvesting through slow photon effects; 2) suppression recombination by reducing transfer directing carriers; 3) acceleration increasing accessible areas separating redox spatially. Toward end review, some insights into key challenges perspectives structured photocatalysts also discussed, good hope shed further promoting rapid progress this dynamic research field.

Язык: Английский

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Core–shell structured catalysts for thermocatalytic, photocatalytic, and electrocatalytic conversion of CO₂

Chemical Society Reviews, Год журнала: 2020, Номер 49(10), С. 2937 - 3004

Опубликована: Янв. 1, 2020

Catalytic conversion of CO2 to produce fuels and chemicals is attractive in prospect because it provides an alternative fossil feedstocks the benefit converting cycling greenhouse gas on a large scale. In today's technology, converted into hydrocarbon Fischer-Tropsch synthesis via water shift reaction, but processes for direct such as methane, methanol, C2+ hydrocarbons or syngas are still far from large-scale applications processing challenges that may be best addressed by discovery improved catalysts-those with enhanced activity, selectivity, stability. Core-shell structured catalysts relatively new class nanomaterials allow controlled integration functions complementary materials optimised compositions morphologies. For conversion, core-shell can provide distinctive advantages addressing catalyst sintering activity loss reforming processes, insufficient product selectivity thermocatalytic hydrogenation, low efficiency photocatalytic electrocatalytic hydrogenation. preceding decade, substantial progress has been made synthesis, characterization, evaluation potential applications. Nonetheless, remain inexpensive, robust, regenerable this class. This review in-depth assessment these thermocatalytic, photocatalytic, valuable hydrocarbons.

Язык: Английский

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Recent Progress on Engineering Highly Efficient Porous Semiconductor Photocatalysts Derived from Metal–Organic Frameworks

Nano-Micro Letters, Год журнала: 2019, Номер 11(1)

Опубликована: Янв. 8, 2019

Porous structures offer highly accessible surfaces and rich pores, which facilitate the exposure of numerous active sites for photocatalytic reactions, leading to excellent performances. Recently, metal–organic frameworks (MOFs) have been considered ideal precursors well-designed semiconductors with porous and/or heterostructures, shown enhanced activities. In this review, we summarize recent development structures, such as metal oxides sulfides, their derived from MOF-based materials catalysts various light-driven energy-/environment-related including water splitting, CO2 reduction, organic redox reaction, pollution degradation. A summary outlook section is also included.

Язык: Английский

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