Environmental Science and Pollution Research, Journal Year: 2022, Volume and Issue: 30(44), P. 98682 - 98700
Published: Nov. 1, 2022
Language: Английский
Arabian Journal of Chemistry, Journal Year: 2023, Volume and Issue: 16(3), P. 104542 - 104542
Published: Jan. 5, 2023
Graphitic carbon nitride (g-C3N4) is a remarkable semiconductor catalyst that has attracted widespread attention as visible light photo-responsive, metal-free, low-cost photocatalytic material. Pristine g-C3N4 suffers fast recombination of photogenerated electron-hole pairs, low surface area, and insufficient absorption, resulting in efficiency. This review presents the recent progress, perspectives, persistent challenges development g-C3N4-based materials. Several approaches employed to improve absorption materials including metal non-metal doping, co-doping, heterojunction engineering have been extensively discussed. These approaches, general, were found decrease material's bandgap, increase reduce charge carrier recombination, promote thereby enhancing overall performance. The material widely used for different applications such hydrogen production, water splitting, CO2 conversion, purification. work also identified various limitations weaknesses associated with hinders its maximum utilization under illumination presented state-of-the-art solutions reported recently. summary this would add an invaluable contribution photocatalysis research facilitate efficient light-responsive semiconducting
Language: Английский
Citations
132
Molecules, Journal Year: 2023, Volume and Issue: 28(1), P. 432 - 432
Published: Jan. 3, 2023
Graphitic carbon nitride (g-C3N4), with facile synthesis, unique structure, high stability, and low cost, has been the hotspot in field of photocatalysis. However, photocatalytic performance g-C3N4 is still unsatisfactory due to insufficient capture visible light, surface area, poor electronic conductivity, fast recombination photogenerated electron-hole pairs. Thus, different modification strategies have developed improve its performance. In this review, properties preparation methods are systematically introduced, various approaches, including morphology control, elemental doping, heterojunction construction, nanomaterials, discussed. Moreover, applications energy environmental sustainability summarized, such as hydrogen generation, CO2 reduction, degradation contaminants recent years. Finally, concluding remarks perspectives on challenges, suggestions for exploiting g-C3N4-based photocatalysts presented. This review will deepen understanding state art g-C3N4, fabrication, modification, application sustainability.
Language: Английский
Citations
81
Energy Reports, Journal Year: 2023, Volume and Issue: 9, P. 4547 - 4573
Published: March 29, 2023
Rapid depletion of conventional fossil fuels and increasing environmental concern are demanding an urgent carry out for research to find alternate fuel which meets the demand with minimum impacts. Hydrogen is considered as one important in near future above alarming problems. Hydrogen–gasoline dual engines use hydrogen primary gasoline secondary fuel. In this review paper, combustion performance, emission, cyclic variation characteristics a hydrogen–gasoline engine have been critically analyzed. According scientific literature, good thermal efficiency at low partial loads, but performance deteriorates high loads. direct injection port optimum configuration operating on gasoline. This shows superior result mitigating abnormal combustion, experiences NOx emission. Employing EGR showed maximum reduction 77.8% emission flowrate 18%, further increment leads instability. An overview production carbon footprint related also included. paper aims provide comprehensive findings from past works associated approach spark ignition engine.
Language: Английский
Citations
67
Journal of the Taiwan Institute of Chemical Engineers, Journal Year: 2023, Volume and Issue: 146, P. 104862 - 104862
Published: April 8, 2023
Language: Английский
Citations
54
ACS Omega, Journal Year: 2023, Volume and Issue: 8(29), P. 25649 - 25673
Published: July 12, 2023
Photocatalysis is a facile and sustainable approach for energy conversion environmental remediation by generating solar fuels from water splitting. Due to their two-dimensional (2D) layered structure excellent physicochemical properties, molybdenum disulfide (MoS2) has been effectively utilized in photocatalytic H2 evolution reaction (HER) CO2 reduction. The efficiency of MoS2 greatly depends on the active edge sites present structure. Modifications like reducing layer numbers, creating defective structures, adopting different morphologies produce more unsaturated S atoms as sites. Hence, acts cocatalyst nanocomposites/heterojunctions facilitate photogenerated electron transfer. This review highlights role nanocomposites activity described comprehensively binary (with metal oxide, carbonaceous materials, sulfides, metal-organic frameworks) ternary composites MoS2. Photocatalytic reduction complex challenging process that demands an efficient light-responsive semiconductor catalyst tackle thermodynamic kinetic factors. using emerging topic would be cost-effective substitute noble catalysts. Herein, we also exclusively envisioned possibility its this area. expected furnish understanding diverse roles fuel generation, thus endorsing interest utilizing unique create nanostructures future applications.
Language: Английский
Citations
45
Chemosphere, Journal Year: 2023, Volume and Issue: 347, P. 140694 - 140694
Published: Nov. 15, 2023
Language: Английский
Citations
42
Nanoscale, Journal Year: 2024, Volume and Issue: 16(9), P. 4352 - 4377
Published: Jan. 1, 2024
The review highlights charge transfer, improved photocatalytic performance, and possible photocatalysis schemes in TiO 2 -based composites. It also addresses perspectives challenges transfer mechanisms for photocatalysis.
Language: Английский
Citations
33
Energy Science & Engineering, Journal Year: 2024, Volume and Issue: 12(5), P. 1934 - 1968
Published: March 6, 2024
Abstract The rapidly growing global need for environmentally friendly energy solutions has inspired extensive research and development efforts aimed at harnessing the potential of hydrogen energy. Hydrogen, with its diverse applications relatively straightforward acquisition, is viewed as a promising carrier capable tackling pressing issues, such carbon emissions reduction storage. This study conducts preliminary investigation into effective generation storage systems, encompassing methods like water electrolysis, biomass reforming, solar‐driven processes. Specifically, focuses on assessing nanostructured catalysts innovative materials to enhance productivity versatility systems. Additionally, utilization novel not only improves capacity safety but also opens up possibilities inventive applications, including on‐demand release efficient transportation. Furthermore, critical factors catalyst design, material engineering, system integration, technoeconomic viability are examined identify challenges chart paths future advancements. emphasizes importance fostering interdisciplinary collaborations advance technologies contribute sustainable future.
Language: Английский
Citations
23
Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 12(23), P. 14005 - 14021
Published: Jan. 1, 2024
By investigating the effects of electron donor topology and hetero[6]radialene structure on 3D COF photocatalytic activity, a twisted BF was found to improve organic pollutant degradation water hydrogen production.
Language: Английский
Citations
21
Fuel, Journal Year: 2025, Volume and Issue: 387, P. 134416 - 134416
Published: Jan. 21, 2025
Language: Английский
Citations
2