Chemical Science, Journal Year: 2023, Volume and Issue: 15(5), P. 1611 - 1637
Published: Dec. 27, 2023
This review critically summarizes the recent achievement on various photocatalysts for plastic upcycling. A range of key factors affecting reaction kinetics/thermodynamics are also summarized.
Language: Английский
Journal of Energy Storage, Journal Year: 2023, Volume and Issue: 79, P. 110152 - 110152
Published: Dec. 27, 2023
Language: Английский
Citations
143
Applied Catalysis B Environment and Energy, Journal Year: 2023, Volume and Issue: 341, P. 123284 - 123284
Published: Sept. 9, 2023
Language: Английский
Citations
104
Chemical Society Reviews, Journal Year: 2024, Volume and Issue: 53(11), P. 5593 - 5625
Published: Jan. 1, 2024
The oxygen evolution reaction (OER) mechanisms using transition metal-based electrocatalysts are instrumental in providing novel insights into both natural and artificial energy conversion processes.
Language: Английский
Citations
72
EcoEnergy, Journal Year: 2023, Volume and Issue: 1(2), P. 248 - 295
Published: Dec. 1, 2023
Abstract In the advancing world of graphene, highly anisotropic 2D semiconductor nanosheets, notable for their nanometer‐scale thickness, have emerged as a leading innovation, displaying immense potential in exploration renewable and clean energy production. These garnered significant attention from researchers. The nanosheets are marked by extraordinary electronic, optical, chemical attributes, positioning them attractive foundational components heterogeneous photocatalysts. This review diligently summarizes both seminal work ongoing developments pertaining to application solar within context photocatalysis. We begin detailing distinctive properties concentrating on pivotal roles augmenting photocatalytic efficiency, explaining intrinsic mechanisms that govern migration rate photogenerated carriers material's surface. Subsequently, we delineate methods employed synthesize typical nanosheets. alignment with overarching objective expanding light absorption capacity accelerating charge transfer, also examine current research hybridization techniques involving materials varied dimensions, well deployment diverse applications. conclude identifying promising avenues challenges await further this burgeoning field.
Language: Английский
Citations
67
ACS Catalysis, Journal Year: 2024, Volume and Issue: 14(7), P. 4865 - 4926
Published: March 18, 2024
Rapid industrialization and development have led to a tremendous increase in the use of various types plastic commodities daily life. For past several years, pollution has become global issue, posing serious threat mankind. The primary issue with increasing is lack proper management which created huge havoc environment. From initial phase waste management, been discarded, recycled, downcycled, or dumped into landfills large proportion, causing extreme damage ecosystem. Conventionally, treated via thermal processes such as pyrolysis incineration plants require amount capital and, therefore, harms aim circular economy. Chemical upcycling gaining attention high-potential catalytic strategy convert plastics, polyethylene terephthalate, polyethylene, polystyrene, etc. fuels, functionalized polymers, other value-added chemicals having direct impact on affordability viability. In this review, we focused photocatalysis, electrocatalysis, photoelectrocatalysis effective efficient technologies. These approaches can lower dependence nonrenewable resources are more environmentally friendly contrast conventional approaches. This review elaborately discusses pros cons provides detailed overview potential renewable energy-driven for conversion wastes valuable fuels commodity chemicals, along challenges future directions emerging approach treatment.
Language: Английский
Citations
55
Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 13(41)
Published: Sept. 24, 2023
The huge amount of plastic wastes has become a pressing global environmental problem, leading to severe pollution and resource depletion through conventional downcycling technologies like incineration landfilling. In contrast, selective upcycling various plastics offers promising solution for converting waste into valuable products. This review provides comprehensive overview the recent advancements in innovative catalytic technologies, including thermocatalysis, electrocatalysis, photocatalysis. Special emphasis is placed on elucidating reaction mechanisms, activating designated chemical bonds high selectivity, elaborating above techniques terms conditions Finally, application prospects future development trends catalysis are discussed, providing insights realizing sustainable circular economy.
Language: Английский
Citations
48
ACS Catalysis, Journal Year: 2024, Volume and Issue: 14(5), P. 2949 - 2958
Published: Feb. 12, 2024
Photoreforming of poly(ethylene terephthalate) (PET) wastes to high-value-added chemicals is an emerging and promising approach. Nonetheless, a major obstacle the harsh alkaline pretreatment (COH– = 5–10 M) depolymerize PET, resulting in surge processing costs also posing great challenges subsequent photocatalytic devices, catalysts, efficiency. Herein, we introduce tandem process chemical depolymerization photoreforming waste PET plastics. Depolymerization monomers achieved through intramolecular hydrolysis mechanism on binuclear zinc catalyst under mild conditions ≤ 0.1 M T 60 °C). Compared with traditional alkali pretreatment, rate can be increased by nearly order magnitude due proximity effect bimetallic sites. Technoeconomic analysis shows that 50,000 tons plastic annually save 15.2 million USD. The formic acid H2 impressive production 2000 μmol gcat–1 h–1 was ultrasmall carbon nitride nanosphere photocatalyst, which 5-fold higher than corresponding strong system. Mechanism research reveals high activity thanks efficient electron–hole separation caused size structure electron capture metal Pt. We demonstrate gram-scale integrated for real-world including water bottles, clothing fibers, towels, carpets, mixed plastics containing PET. Our study establishes new concept catalysis reduce using synthetic polyester technology.
Language: Английский
Citations
48
Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)
Published: March 20, 2024
Abstract Only a small proportion of global plastic waste is recycled, which most mechanically recycled into lower quality materials. The alternative, chemical recycling, enables renewed production pristine materials, but generally comes at high energy cost, particularly for processes like pyrolysis. This review focuses on light-driven approaches chemically recycling and upcycling waste, with emphasis reduced consumption selective transformations not achievable heat-driven methods. We focus challenging to recycle backbone structures composed mainly C‒C bonds, lack functional groups i.e., esters or amides, that facilitate e.g., by solvolysis. discuss the use light, either in conjunction heat drive depolymerization monomers via photocatalysis transform polymers valuable molecules. structural prerequisites these are outlined, highlighting their advantages as well limitations. conclude an outlook, addressing key challenges, opportunities, provide guidelines future photocatalyst (PC) development.
Language: Английский
Citations
38
Joule, Journal Year: 2024, Volume and Issue: 8(3), P. 604 - 621
Published: Jan. 22, 2024
Language: Английский
Citations
36
Small, Journal Year: 2024, Volume and Issue: 20(29)
Published: Feb. 23, 2024
The global pursuit of sustainable energy is focused on producing hydrogen through electrocatalysis driven by renewable energy. Recently, High entropy alloys (HEAs) have taken the spotlight in electrolysis due to their intriguing cocktail effect, broad design space, customizable electronic structure, and stabilization effect. tunability complexity HEAs allow a diverse range active sites, optimizing adsorption strength activity for electrochemical water splitting. This review comprehensively covers contemporary advancements synthesis technique, framework, physio-chemical evaluation approaches HEA-based electrocatalysts. Additionally, it explores principles strategies aimed at catalytic activity, stability, effectiveness evolution reaction (HER), oxygen (OER), overall Through an in-depth investigation these aspects, inherent constituent element interactions, processes, sites associated with unravel. Eventually, outlook regarding challenges impending difficulties outline future direction HEA provided. thorough knowledge offered this will assist formulating designing catalysts based next generation electrochemistry-related applications.
Language: Английский
Citations
33