Recent progress in defect‐engineered metal oxides for photocatalytic environmental remediation

Photochemistry and Photobiology, Journal Year: 2024, Volume and Issue: 100(4), P. 830 - 896

Published: May 16, 2024

Rapid industrial advancement over the last few decades has led to an alarming increase in pollution levels ecosystem. Among primary pollutants, harmful organic dyes and pharmaceutical drugs are directly released by industries into water bodies which serves as a major cause of environmental deterioration. This warns severe need find some sustainable strategies overcome these increasing eliminate pollutants before being exposed environment. Photocatalysis is well-established strategy field pollutant degradation various metal oxides have been proven exhibit excellent physicochemical properties makes them potential candidate for remediation. Further, with aim rapid industrialization photocatalytic technology, constant efforts made activity oxides. One such introduction defects lattice parent catalyst through doping or vacancy plays role enhancing catalytic achieving rates. review provides comprehensive analysis their altering material. Various defect-rich like binary oxides, perovskite spinel summarized application degradation. Finally, summary existing research, followed challenges along countermeasures provided pave path future studies this promising field.

Language: Английский

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Recent progress in understanding the role of graphene oxide, TiO2 and graphene oxide-TiO2 nanocomposites as multidisciplinary photocatalysts in energy and environmental applications

Catalysis Science & Technology, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

A review on graphene oxide (GO)–TiO 2 nanocomposites with emphasis the role of GO as a co-catalyst and photocatalyst, providing synergistic effect well multidisciplinary photocatalytic activities in fields energy environment.

Language: Английский

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Advanced Catalysts for the Chemical Recycling of Plastic Waste

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 2, 2025

Abstract Plastic products bring convenience to various aspects of the daily lives due their lightweight, durability and versatility, but massive accumulation post‐consumer plastic waste is posing significant environmental challenges. Catalytic methods can effectively convert into value‐added feedstocks, with catalysts playing an important role in regulating yield selectivity products. This review explores latest advancements advanced applied thermal catalysis, microwave‐assisted photocatalysis, electrocatalysis, enzymatic catalysis reaction systems for chemical recycling valuable feedstocks. Specifically, pathways mechanisms involved plastics process are analyzed presented, strengths weaknesses employed across different described. In addition, structure‐function relationship these discussed. Herein, it provided insights design novel outline challenges future opportunities terms developing tackle “white pollution” crisis.

Language: Английский

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Co-upcycling of polyethylene terephthalate and polyoxymethylene into valuable chemicals

Chem Catalysis, Journal Year: 2025, Volume and Issue: unknown, P. 101232 - 101232

Published: Jan. 1, 2025

Language: Английский

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Photorefinery of Biomass and Plastics to Renewable Chemicals using Heterogeneous Catalysts

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(37)

Published: June 17, 2024

Abstract The photocatalytic conversion of biomass and plastic waste provides opportunities for sustainable fuel chemical production. Heterogeneous photocatalysts, typically composed semiconductors with distinctive redox properties in their conduction band (CB) valence (VB), facilitate both the oxidative reductive valorization organic feedstocks. This article a comprehensive overview recent advancements photorefinery plastics from perspective photocatalysts. We explore roles VB CB enhancing value‐added via various pathways. Our aim is to bridge gap between mechanisms renewable carbon feedstock valorization, inspiring further development refinery plastics.

Language: Английский

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Photochemical upcycling and recycling of plastics: achievements and future opportunities

Green Chemistry, Journal Year: 2024, Volume and Issue: 26(15), P. 8528 - 8549

Published: Jan. 1, 2024

Recent developments in the photochemical upcycling and recycling of plastics.

Language: Английский

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Metal-organic frameworks as thermocatalysts for hydrogen peroxide generation and environmental antibacterial applications

Science Advances, Journal Year: 2025, Volume and Issue: 11(2)

Published: Jan. 8, 2025

Reactive oxygen species (ROS) are highly reactive, making them useful for environmental and health applications. Traditionally, photocatalysts piezocatalysts have been used to generate ROS, but their utilization is limited by various physical constraints. This study introduces metal-organic frameworks (MOFs) as modern thermocatalysts efficiently producing hydrogen peroxide (H 2 O ) from small temperature differences. Temperature fluctuations, abundant in daily life, offer tremendous potential practical thermocatalytic As proof of concept, MOF materials coated onto carbon fiber fabric (MOF@CFF) created a antibacterial filter. The compared three different MOFs (CuBDC, MOF-303, ZIF-8) with bismuth telluride (Bi Te 3 ), known material. ZIF-8 demonstrated superior H generation under low-temperature differences, achieving 96% activity through variation cycles. work advances thermoelectric applications MOFs, enabling real-time purification disinfection generation. findings open interdisciplinary avenues leveraging effects catalysis technologies.

Language: Английский

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Photocatalysis for Sustainable Nitrogen Fixation: Fundamentals, Catalyst Design, Nanoarchitectonics, Applications, and Future Prospects

Advanced Sustainable Systems, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 5, 2025

Abstract Photocatalytic nitrogen fixation has evolved as potential sustainable technique for producing ammonia in contrast to Haber‐Bosch (HB) process. In this process, semiconductor‐based materials are utilized the presence of light and water, thereby making it less energy‐intensive more eco‐friendly. However, photocatalytic have several disadvantages, including limited chemisorption activation nitrogen, low absorption, rapid charge recombination, sluggish kinetics. To overcome these issues, design catalyst tailoring active surface sites vital so that enhanced performance can be achieved. Also, there is debate about correct determination due interference by nitrogenous impurities. Taking all factors into consideration, review examines recent reports on defects modified (vacancy doping), facet‐engineered, heterojunction‐based catalysts fixation. The different quantification techniques like Nessler's reagent, indophenol method, ion chromatography (IC), etc. been discussed detail along with issues associated them. Finally, existing challenges outlook emerging technology presented. It expected will assist researchers understanding current state field effectively implementing pave way future advancements.

Language: Английский

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Coupling Plastic Upgrading and Photocatalysis: Catalytic Mechanisms and Design Principles

ACS Catalysis, Journal Year: 2025, Volume and Issue: unknown, P. 5339 - 5369

Published: March 17, 2025

Language: Английский

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Sustainable thermochemical plastic valorization towards a circular economy: a critical review

Green Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Emerging technologies-empowered thermochemical plastic valorization is developed for value-added products in green and practical manner, which are beneficial to achieving circular economy several UN sustainable development goals.

Language: Английский

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