Recent advances in the applications of encapsulated transition-metal nanoparticles in advanced oxidation processes for degradation of organic pollutants: A critical review

Applied Catalysis B Environment and Energy, Journal Year: 2023, Volume and Issue: 342, P. 123401 - 123401

Published: Oct. 18, 2023

Language: Английский

---

Synthesis and modification strategies of g-C3N4 nanosheets for photocatalytic applications

Advanced Powder Materials, Journal Year: 2023, Volume and Issue: 3(1), P. 100150 - 100150

Published: July 5, 2023

Graphitic carbon nitride nanosheets (CNNs) become the most promising member in family benefitted from their two-dimensional structural features. Recently, great endeavors have been made synthesis and modification of CNNs to improve photocatalytic properties, many exciting progresses gained. In order elucidate fundamentals based catalysts provide insights into rational design photocatalysis system, we describe recent progress preparation strategies applications this review. Firstly, physicochemical properties are briefly introduced. Secondly, approaches reviewed, including top-down stripping (thermal, gas, liquid, composite stripping) bottom-up precursor molecules (solvothermal, template, supramolecular self-assembly method). Subsequently, on years discussed, crystal structure design, doping, surface functionalization, constructing 2D heterojunction, anchoring single-atom. Then multifunctional g-C3N4 nanosheet materials H2 evolution, O2 overall water splitting, H2O2 production, CO2 reduction, N2 fixation, pollutant removal, organic synthesis, sensing highlighted. Finally, opportunities challenges for development high-performance systems also promising.

Language: Английский

---

MoS2/CdS rod-like nanocomposites as high-performance visible light photocatalyst for water splitting photocatalytic hydrogen production

International Journal of Hydrogen Energy, Journal Year: 2022, Volume and Issue: 47(13), P. 8247 - 8260

Published: Jan. 5, 2022

Language: Английский

---

Multiple optimization strategies for improving photocatalytic performance of the h-BN/flower-ring g-C3N4 heterostructures: Morphology engineering and internal electric field effect

Chemical Engineering Journal, Journal Year: 2022, Volume and Issue: 446, P. 137027 - 137027

Published: May 17, 2022

Language: Английский

---

Point‐to‐face contact heterojunctions: Interfacial design of 0D nanomaterials on 2D g‐C₃N₄ towards photocatalytic energy applications

Carbon Energy, Journal Year: 2022, Volume and Issue: 4(5), P. 665 - 730

Published: Aug. 9, 2022

Abstract Green energy generation is an indispensable task to concurrently resolve fossil fuel depletion and environmental issues align with the global goals of achieving carbon neutrality. Photocatalysis, a process that transforms solar into clean fuels through photocatalyst, represents felicitous direction toward sustainability. Eco‐rich metal‐free graphitic nitride (g‐C 3 N 4 ) profiled as attractive photocatalyst due its fascinating properties, including excellent chemical thermal stability, moderate band gap, visible light‐active nature, ease fabrication. Nonetheless, shortcomings g‐C include fast charge recombination limited surface‐active sites, which adversely affect photocatalytic reactions. Among modification strategies, point‐to‐face contact engineering 2D 0D nanomaterials innovative promising synergy owing several intriguing attributes such high specific surface area, short effective charge‐transfer pathways, quantum confinement effects. This review introduces recent advances achieved in experimental computational studies on interfacial design nanostructures construction heterojunction interfaces. Notably, materials metals, metal oxides, sulfides, selenides, phosphides, nonmetals different mechanisms are systematically discussed along controllable synthesis strategies. The applications 0D/2D ‐based photocatalysts focused solar‐to‐energy conversion via hydrogen evolution reaction, CO 2 reduction reaction evaluate activity elucidate pathways. Finally, future perspectives for developing high‐efficiency proposed explore potential emerging allotropes, large‐scale production, machine learning integration, multidisciplinary technological breakthroughs.

Language: Английский

---

S-Scheme MnCo₂S₄/g-C₃N₄ Heterojunction Photocatalyst for H₂ Production

Acta Physico-Chimica Sinica, Journal Year: 2023, Volume and Issue: 0(0), P. 2212009 - 2212009

Published: Jan. 1, 2023

Abstract:

---

Recent advances on energy and environmental application of graphitic carbon nitride (g-C3N4)-based photocatalysts: A review

Journal of environmental chemical engineering, Journal Year: 2023, Volume and Issue: 11(3), P. 110164 - 110164

Published: May 19, 2023

Language: Английский

---

Graphitic Carbon Nitride for Photoelectrochemical Detection of Environmental Pollutants

ACS ES&T Engineering, Journal Year: 2022, Volume and Issue: 2(2), P. 140 - 157

Published: Jan. 4, 2022

Photoelectrochemical (PEC) detection technology shows great potential in alleviating the increasingly serious environmental pollution problem. The satisfactory PEC performance mainly depends on photoelectric conversion efficiency of photoelectrode material. Graphitic carbon nitride (g-C3N4) has made progress field photocatalysis due to its strong light response. Interestingly, g-C3N4 also attracted many interests sensing for capability and unique superiorities, but relevant reviews are yet be reported. This review describes recent advances application g-C3N4-based photoactive materials. strategies improvement optoelectrical materials their multifunctional applications pollutants summarized. corresponding mechanism is introduced, namely, correlative enhancement absorption separation migration photoexcited charge. Finally, challenges opportunities development sensors prospected.

Language: Английский

---

g-C3N4-based photocatalysts for organic pollutant removal: a critical review

Carbon Research, Journal Year: 2023, Volume and Issue: 2(1)

Published: April 6, 2023

Abstract With rapid global industrialization, environmental pollution has become one of the major problems human society. Photocatalysis can be applied to solve problem by using inexhaustible solar energy. As a novel two-dimensional material, graphite carbon nitride (g-C 3 N 4 ) been widely in many photocatalytic reactions. However, terms its practical applications, g-C still limitations, including poor photoexcited charge separation, limited range visible light absorption, and low surface areas. Hence, current research on mainly focuses improving performance. In this review, we summarize various methods improve ’s absorption photo-induced transfer, vacancy engineering, morphology control, heteroatom doping, forming heterostructure. The applications derivatives photodegradation organic pollutants are also discussed detail. Finally, challenges future directions photocatalysts summarized promote their applications. Graphical

Language: Английский

---

Incorporation of ultrathin porous metal-free graphite carbon nitride nanosheets in polyvinyl chloride for efficient photodegradation

Journal of Hazardous Materials, Journal Year: 2023, Volume and Issue: 447, P. 130795 - 130795

Published: Jan. 14, 2023

Language: Английский

---