Unlocking the Potential of MOF-Derived Carbon-Based Nanomaterials for Water Purification through Advanced Oxidation Processes: A Comprehensive Review on the Impact of Process Parameter Modulation

The photocatalytic conversion of solar energy to hydrogen is a promising pathway toward clean fuel production, yet it requires advancement to meet industrial-scale demands. This study demonstrates that the interface engineering of heterojunctions is a viable strategy to enhance the photocatalytic performance of CuInS2/Mo2S3. Specifically, CuInS2 nanoparticles are incorporated into Mo2S3 nanospheres via a wet impregnation technique to form an S-scheme heterojunction. This configuration facilitates directional electron transfer, optimizing electron utilization and fostering efficient photocatalytic processes. The presence of an S-scheme heterojunction in CuInS2/Mo2S3 is corroborated by in situ irradiation X-ray photoelectron spectroscopy and density functional theory analyses, which confirm the directional movement of electrons at the interface of heterojunction. Comprehensive characterization of the heterojunction photocatalyst, including phase, structural, and photoelectric property assessments, reveals a significant specific surface area and light absorption capability. These attributes augment the number of active sites available in CuInS2/Mo2S3 for proton reduction reactions. This study offers a pragmatic approach for designing metal sulfide-based photocatalysts via strategic interface engineering, potentially advancing the field toward sustainable hydrogen production. 

Directional Electron Transfer in CuInS2/Mo2S3 S-Scheme Heterojunctions for Efficient Photocatalytic Hydrogen Production

Atmospheric CO2 concentrations keep increasing at intensifying rates due to rising energy and material demands. The chemical production industry is a large energy consumer, responsible for up to 935 Mt of CO2 emissions per year, and decarbonization is its major goal moving forward. One of the primary sources of energy consumption and CO2 emissions in the chemical sector is associated with the production and use of heat for material synthesis, which conventionally was generated through the combustion of fossil fuels. To address this grand challenge, Joule heating has emerged as an alternative heating method that greatly increases process efficiency, reducing both energy consumption and greenhouse gas emissions. In this Review, we discuss the key concepts that govern these Joule heating processes including material selection and reactor design, as well as the current state-of-the-art in the literature for employing these processes to synthesize commodity chemicals along with advanced materials such as graphene, metal species, and metal carbides. Finally, we provide a perspective on future research avenues within this field, which can facilitate the widespread adoption of Joule heating for decarbonizing industrial processes. 

Design and Application of Joule Heating Processes for Decarbonized Chemical and Advanced Material Synthesis

Microfluidic and microwave approaches for the rapid synthesis of Cu-CPO-27 metal-organic framework

Abstract Owing to the rich redox functionalities and numerous pore structure, metal‐organic frameworks (MOFs) are directly emerging as prospective electrode materials with special properties. In the present study, exotic and unique nanomaterials of copper‐based metal‐organic framework (Cu‐MOF‐74) were successfully prepared by coordination assembly of Cu (II) and 2,5‐dihydroxyterephthalic acid (DHTA) through the solvothermal route and served as anode materials for lithium‐ion batteries for the first time. The Cu MOF has a coral cluster‐like nanoporous morphology composed of hexagonal columns with a length of 3.0 μm and a radius of 132 nm. When tested as anode, it achieved a high reversible capability of 870.3 mA h g −1 at 100 mA g −1 , remarkable rate performance (up to 1000 mA h g −1 ) and a long service life (300 cycles) in the dis‐/charge process. Such outstanding properties of the MOF anode may be mainly ascribed to the conjugated ligand moiety and the particular microstructural features. The results of this study provided insights for the rational design of primitive MOFs for advanced lithium storage. 

Nanoporous Coral Cluster‐Like Copper Metal‐Organic Framework as an Efficient Anode for Lithium‐Ion Batteries

The synthesis of anode materials plays an important role in determining the production efficiency, cost, and performance of lithium-ion batteries (LIBs). However, a low-cost, high-speed, scalable manufacturing process of the anode with the desired structural feature for practical technology adoption remains elusive. In this study, we propose a novel method called in situ flash shunt-electrothermal shock (SETS) which is controllable, fast, and energy-saving for synthesizing metal oxide-based materials. By using the example of direct electrothermal decomposition of ZIF-67 precursor loaded onto copper foil support, we achieve rapid (0.1-0.3 s) pyrolysis and generate porous hollow cubic structure material consisting of carbon-coated ultrasmall (10-15 nm) subcrystalline CoO/Co nanoparticles with controllable morphology. It was shown that CoO/Co@N-C exhibits prominent electrochemical performance with a high reversible capacity up to 1503.7 mA h g-1 after 150 cycles at 0.2 A g-1and stable capacities up to 434.1 mA h g-1 after 400 cycles at a high current density of 6 A g-1. This fabrication technique integrates the synthesis of active materials and the formation of electrode sheets into one process, thus simplifying the preparation of electrodes. Due to the simplicity and scalability of this process, it can be envisaged to apply it to the synthesis of metal oxide-based materials and to achieve large-scale production in a nanomanufacturing process.

In Situ Flash Synthesis of Ultra-High-Performance Metal Oxide Anode through Shunting Current-Based Electrothermal Shock.

Rationally controlled synthesis of transition metal oxide materials for structure-related applications in diverse areas at room temperature and ambient atmosphere remains a challenge. In this article, we propose a facile...

Utilizing MOF Precursors toward One-Step, Calcination-Free Synthesis of MnO2 Superstructure for Superior Lithium Storage

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In Situ Flash Synthesis of Ultra-High-Performance Metal Oxide Anode through Shunting Current-Based Electrothermal Shock.

Utilizing MOF Precursors toward One-Step, Calcination-Free Synthesis of MnO2 Superstructure for Superior Lithium Storage

Nanoporous Coral Cluster‐Like Copper Metal‐Organic Framework as an Efficient Anode for Lithium‐Ion Batteries