Catalysis Letters, Journal Year: 2024, Volume and Issue: 155(1)
Published: Nov. 16, 2024
Language: Английский
Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 677, P. 1120 - 1133
Published: July 30, 2024
Language: Английский
Citations
16
Surfaces and Interfaces, Journal Year: 2024, Volume and Issue: 54, P. 105232 - 105232
Published: Oct. 6, 2024
Language: Английский
Citations
14
Inorganic Chemistry Frontiers, Journal Year: 2024, Volume and Issue: 11(16), P. 4914 - 4973
Published: Jan. 1, 2024
This review summarizes advancements in g-C 3 N 4 -based direct Z and S-scheme heterostructures for solar H 2 O synthesis, exploring advanced characterization methods to verify the charge transfer mechanism.
Language: Английский
Citations
13
Diamond and Related Materials, Journal Year: 2024, Volume and Issue: 146, P. 111228 - 111228
Published: May 26, 2024
Language: Английский
Citations
12
Accounts of Chemical Research, Journal Year: 2024, Volume and Issue: 57(16), P. 2303 - 2315
Published: Aug. 6, 2024
ConspectusGraphitic carbon nitride-based materials have emerged as promising photocatalysts for a variety of energy and environmental applications owing to their "earth-abundant" nature, structural versatility, tunable electronic optical properties, chemical stability. Optimizing nitride's physicochemical properties encompasses approaches, including the regulation inherent defects, morphology control, heterostructure construction, heteroatom metal-atom doping. These strategies are pivotal in ultimately enhancing photocatalytic activities. Previous reviews with extensive examples mainly focused on synthesis, modification, application photocatalysis. However, there has been lack straightforward in-depth discussion understand characteristics functions various engineered nitrides well precise tailoring explain regularity specificity improved performance targeted systems. In past ten years, our group conducted investigations studies demonstrate close yet intricate relationship between structure nitride reactivity. Understanding nitride, different engineering strategies, is essential improvement processes from fundamental study practical applications.To this end, Account, we first delve into nature highlighting structures, band structure, density states, molecular orbitals, center, its functions, such charge distribution, internal electric field, external force. Subsequently, based recent research group, present detailed strategic modifications consequential impacts particularly intrinsic characteristics, performance. categorized follows: (i) component changing, which involves intralayer interface heterojunctions homojunctions, modulate band-edge potentials reactivity photoinduced electrons holes toward surface redox reactions; (ii) dimensional tuning, engineers influence electron transfer direction; (iii) defect introduces symmetry break framework, promote redistribution altering structure; (iv) anchoring single-atom metals facilitate orbital hybridization enhancement through unique metal-N coordination configurations. Finally, propose an appraisal prospects challenges manipulation characterization nitride. The integration
Language: Английский
Citations
12
Advanced Materials, Journal Year: 2024, Volume and Issue: unknown
Published: Oct. 17, 2024
Abstract Hydrogen peroxide (H 2 O ) is a crucial chemical used in numerous industrial applications, yet its manufacturing relies on the energy‐demanding anthraquinone process. Solar‐driven synthesis of H gaining traction as promising research area, providing sustainable method for production. Herein, controllable activation n → π* electronic transition presented to boost photocatalytic evolution ionic carbon nitrides. This enhancement achieved through simultaneous introduction structural distortions and defect sites (─C ≡ N groups vacancies) into KPHI framework. The optimal catalyst ( 2%Ox‐ KPHI) reached an apparent quantum yield 41% at 410 nm without need any cocatalysts, outperforming most previously reported nitride‐based photocatalysts. Extensive experimental characterizations theoretical calculations confirm that corrugated configuration presence defects significantly broaden light absorption profile, improve carrier separation migration, promote adsorption, lower energy barriers desorption. Transient spectroscopy indicates enhanced performance 2%Ox ‐KPHI largely attributed preferential migration electrons over extended timescales, following diffusion geminate carriers across PHI sheets.
Language: Английский
Citations
12
International Journal of Hydrogen Energy, Journal Year: 2024, Volume and Issue: unknown
Published: June 1, 2024
Language: Английский
Citations
7
Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(49)
Published: Aug. 27, 2024
Abstract As organic semiconductor materials gain increasing prominence in the realm of photocatalysis, two carbon‐nitrogen materials, poly (heptazine imide) (PHI) and (triazine (PTI), have garnered extensive attention applications owing to their unique structure properties. This review elaborates on distinctive physical chemical features PHI PTI, emphasizing formation mechanisms ensuing Furthermore, it elucidates intricate correlation between energy band structures various photocatalytic reactions. Additionally, outlines primary synthetic strategies for constructing along with characterization techniques identification. It also summarizes enhancing performance whose advantages are discussed. Finally, highlights promising prospects challenges PTI as photocatalysts.
Language: Английский
Citations
7
Scientific Reports, Journal Year: 2024, Volume and Issue: 14(1)
Published: June 23, 2024
Abstract Borocarbonitride (BCN) materials have shown significant potential as photocatalysts for hydrogen production. However, traditional bulk BCN exhibits only moderate photocatalytic activity. In this study, we introduce an environmentally conscious and sustainable strategy utilizing biomass-derived carbon sources to synthesize nanosheets. The evolution efficiency of BCN-A nanosheets (110 μmol h −1 g ) exceeds that (12 by 9.1 times, mainly due the increased surface area (205 m 2 presence numerous active sites with enhanced charge separation capabilities. Notably, offer key advantages such sustainability, cost-effectiveness, reduced footprint during These findings highlight biomass-based nanomaterials facilitate a greener more efficient route energy, contributing global transition towards renewable energy solutions.
Language: Английский
Citations
4
Small Methods, Journal Year: 2024, Volume and Issue: unknown
Published: July 31, 2024
Abstract Hydrogen peroxide (H 2 O ) production via oxygen (O reduction reaction (ORR) in pure water O) through graphitic carbon nitrides (g‐C 3 N 4 )‐based piezo‐photocatalysts is an exciting approach many current studies. However, the low Lewis‐acid properties of g‐C limited catalytic performance because adsorption efficacy. To overcome this challenge, interaction precursors with various solvents are utilized to synthesize , possessing multiple nitrogen‐vacant species thermal shocking polymerization. These results suggest that lack nitrogen and incident introduction oxygen‐functional groups enhance Lewis acid‐base interactions polarize lattices, leading enormous enhancement. Furthermore, mechanisms thoroughly studied, formation H proceeding radical oxidation pathways, which roles light ultrasound carefully investigated. Thus, these findings not only reinforce potential view metal‐free photocatalysts, accelerating understanding working principles generate based on reactions, but also propose a facile one‐step way for fabricating highly efficient scalable photocatalysts produce without using sacrificial agents, pushing practical application situ solar toward real‐world scenarios.
Language: Английский
Citations
4