Metallic 1T phase molybdenum disulfide cocatalyst with abundant edge and substrate active sites for enhanced photocatalytic hydrogen production activity of zinc indium sulfide nanoflowers

Journal of Colloid and Interface Science, Journal Year: 2023, Volume and Issue: 654, P. 1340 - 1347

Published: Oct. 30, 2023

Language: Английский

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Recent progress in single atom catalysts for biomass conversion

Microstructures, Journal Year: 2025, Volume and Issue: 5(1)

Published: Feb. 17, 2025

Biomass, as an emerging environmental and renewable resource derived from various green sources, is increasingly being recognized for its inherent structural characteristics that are conducive to the production of high-value chemicals. The complicated structure oxygen-rich nature biomass derivatives necessitate targeted conversion, typically involving liquid-phase hydrogenation or addition acidic basic environments. These processes impose stringent requirements on efficiency durability catalysts. Recently, innovation single atom catalysts (SACs) with individual catalytic sites dispersed supports has demonstrated high good selectivity. Owing their atomic utilization cost-efficiency, SACs have emerged one most promising heterogeneous This review summarizes current progress conversion mediated by SACs. Significant emphasis placed unique active reaction mechanisms in kinds methods (thermocatalysis, electrocatalysis, photocatalysis). In order facilitate comparison, reactions categorized according type raw material (cellulose, hemicellulose, lignin, etc. ). Especially, developing strategies preparing summarized better satisfy industrial requirements. Finally, we provide anticipatory outlook future developments this field, focusing advanced systems.

Language: Английский

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Maximum Photoresponse in Enhancing Photothermocatalytic Toluene Oxidation: Modulation of Cu+-Ov-Ce3+ and Surface Lattice Oxygen via Cu/CeO2 Shape Effect

Applied Catalysis B Environment and Energy, Journal Year: 2025, Volume and Issue: unknown, P. 125253 - 125253

Published: March 1, 2025

Language: Английский

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Selective Transformation of Biomass and the Derivatives for Aryl Compounds and Hydrogen via Visible-Light-Induced Radicals

Accounts of Chemical Research, Journal Year: 2025, Volume and Issue: unknown

Published: March 13, 2025

ConspectusFor sustainable development, exploring renewable resources is an urgent priority. Nonfood biomass, one of the largest on Earth, primarily comprises three key components: lignin (ca. 15-30%), cellulose 35-50%), and hemicellulose 20-30%). Theoretically, nonfood biomass can be converted into green chemicals energy. However, most studies have focused generation carbon-based energy under harsh conditions, often resulting in lower selectivities. Therefore, further efforts to explore efficient selective methods for producing hydrogen (H2) are essential promoting practical applications biomass. In this Account, we summarize our contributions transformation its derivatives aryl compounds H2. These transformations were achieved using visible-light-induced photocatalytic systems that generate active radicals selectively cleave C-C, C-O, C-H, O-H bonds mild without noble metals. First, compound production was by chemoselective cleavage C-C C-O carboxyl ether radical cations. Specifically, charge-transfer complex induced carboxylic acids, which platform molecules derived from oxidation; free form facilitated model 4-O-5 linkage. Moreover, arenols alcohols obtained via cooperation cation vanadate-induced models various linkages. Second, developed a streamlined strategy H2 one-pot, two-step route with formic acid (HCO2H) as intermediate storage thermocatalysis. Using photoredox catalysis, HCO2H initially alkoxy radical-induced gradual cellulose, hemicellulose, glucose, their derivatives. Subsequently, biomass-based realized hydroxyl (·OH)-induced C-H following bonds, nickel catalysis. Third, highest capability water reforming. This process utilized followed generated carbon cations electrocatalysis, inducing well-organized O-H, bonds. We anticipate these insights will inspire development more efficient, stable, cost-effective catalytic systems, accelerating utilization resource driving other related significant transformations.

Language: Английский

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A Unified View of Carbon Neutrality: Solar-Driven Selective Upcycling of Waste Plastics

Transactions of Tianjin University, Journal Year: 2024, Volume and Issue: 30(1), P. 1 - 26

Published: Feb. 1, 2024

Language: Английский

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