Rapid Charge Transfer Endowed by Heteroatom Doped Z‐Scheme Van Der Waals Heterojunction for Boosting Photocatalytic Hydrogen Evolution DOI Open Access
Weinan Xing,

Weifan Shao,

Yingfu Li

et al.

Small, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 23, 2025

Abstract Constructing heterojunctions between phase interfaces represents a crucial strategy for achieving excellent photocatalytic performance, but the absence of sufficient interface driving force and limited charge transfer pathway leads to unsatisfactory separation processes. Herein, doping‐engineering is introduced construct In─N bond‐bridged In 2 S 3 nanocluster modified doped carbon nitride (CN) nanosheets Z‐Scheme van der Waals (VDW) (In /CNS) photocatalyst, preparation process just by one‐step pyrolysis using pre‐coordination confinement method. Specifically, atoms doping enhances bond strength forms high‐quality interfacial linkage which serves as atomic‐level “highway” improving electrons migration, decreasing recombination probability. The detailed characterization results, along with theoretical calculations, confirm that both atom incorporation formation VDW synergistically improve internal electric field. This, in turn, accelerates simultaneously light absorption capacity. Consequently, optimal hydrogen evolution performance In₂S₃/CNS2 160.8 times greater than In₂S₃, 8.2 higher CNS. This study emphasizes role atomic‐scale regulation intrinsic fields heterojunctions, contributing ameliorative performance.

Language: Английский

Plasmonic Near‐Infrared‐Response S‐Scheme ZnO/CuInS2 Photocatalyst for H2O2 Production Coupled with Glycerin Oxidation DOI
Kai Meng, Jianjun Zhang, Bei Cheng

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(32)

Published: June 4, 2024

Abstract Solar fuel synthesis is intriguing because solar energy abundant and this method compensates for its intermittency. However, most photocatalysts can only absorb UV‐to‐visible light, while near‐infrared (NIR) light remains unexploited. Surprisingly, the charge transfer between ZnO CuInS 2 quantum dots (QDs) transform a NIR‐inactive into NIR‐active composite. This strong response attributed to increased concentration of free carriers in p‐type semiconductor at interface after migration , enhancing localized surface plasmon resonance (LSPR) effect NIR . As paradigm, ZnO/CuInS heterojunction used H O production coupled with glycerin oxidation demonstrates supreme performance, corroborating importance efficient transfer. Mechanistic studies through contact potential difference (CPD), Hall test, finite element (FEM) calculation allow direct correlation approach bypasses general issues, thereby stepping forward ambitious goal harnessing entire spectrum.

Language: Английский

Citations

62
S-scheme heterojunction photocatalysts: Mechanism, challenges and opportunities DOI

Chenhui Wang,

Yuanyuan Zhao,

Chao Cheng

et al.

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 521, P. 216177 - 216177

Published: Aug. 29, 2024

Language: Английский

Citations

41
Bifunctional g-C3N4 nanospheres/CdZnS QDs S-scheme photocatalyst with boosted H2 evolution and furfural synthesis mechanism DOI
Guotai Sun,

Zige Tai,

Jianjun Zhang

et al.

Applied Catalysis B Environment and Energy, Journal Year: 2024, Volume and Issue: 358, P. 124459 - 124459

Published: July 29, 2024

Language: Английский

Citations

36
Regulating the Topology of Covalent Organic Frameworks for Boosting Overall H2O2 Photogeneration DOI
Jieyu Yue,

Jing‐Xian Luo,

Zi‐Xian Pan

et al.

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(24)

Published: April 12, 2024

Photocatalytic oxygen reduction reactions and water oxidation are extremely promising green approaches for massive H

Language: Английский

Citations

34
Lattice Match‐Enabled Covalent Heterointerfaces with Built‐in Electric Field for Efficient Hydrogen Peroxide Photosynthesis DOI Open Access
Jundie Hu, Binrong Li, Xue Li

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 20, 2024

Crafting semiconducting heterojunctions represents an effective route to enhance photocatalysis by improving interfacial charge separation and transport. However, lattice mismatch (δ) between different semiconductors can significantly hinder dynamics. Here, meticulous tailoring is reported create a covalent heterointerface with built-in electric field (BIEF), imparting markedly improved hydrogen peroxide (H

Language: Английский

Citations

31
Multidimensional carbon-based polymer/Bi2O2CO3 S-scheme heterojunction boosting carrier separation in efficient photocatalytic seawater purification DOI
Shihao Jia, Huimin Han, Bin Wang

et al.

Applied Catalysis B Environment and Energy, Journal Year: 2024, Volume and Issue: 353, P. 124050 - 124050

Published: April 24, 2024

Language: Английский

Citations

21
Robust Covalent Organic Frameworks for Photosynthesis of H2O2: Advancements, Challenges and Strategies DOI

Jiehui Hao,

Yanqi Tang,

Jiafu Qu

et al.

Small, Journal Year: 2024, Volume and Issue: 20(44)

Published: July 6, 2024

Abstract Since 2020, covalent organic frameworks (COFs) are emerging as robust catalysts for the photosynthesis of hydrogen peroxide (H 2 O ), benefiting from their distinct advantages. However, current efficiency H production and solar‐to‐chemical energy conversion (SCC) remain suboptimal due to various constraints in reaction mechanism. Therefore, there is an imperative propose improvement strategies accelerate development this system. This comprehensive review delineates recent advances, challenges, utilizing COFs photocatalytic production. It explores fundamentals challenges (e.g., oxygen (O ) mass transfer rate, adsorption capacity, response sunlight, electron‐hole separation efficiency, charge selectivity, desorption) associated with process, well advantages, applications, classification, preparation purpose. Various enhance performance highlighted. The aims stimulate further advancements discusses potential prospects, application areas field.

Language: Английский

Citations

20
Iso‐Elemental ZnIn2S4/Zn3In2S6 Heterojunction with Low Contact Energy Barrier Boosts Artificial Photosynthesis of Hydrogen Peroxide DOI Creative Commons
Xiaowen Ruan,

Zhao Shengli,

Minghua Xu

et al.

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: unknown

Published: June 27, 2024

Abstract Artificial photosynthesis emerges as a strategic pathway to produce hydrogen peroxide (H 2 O ), an environmentally benign oxidant and clean energy carrier. Nonetheless, in many heterojunction‐based artificial photosynthetic systems, the H productivity is significantly hindered by poor carrier transport, narrow spectral light absorption, lack of adequate active sites for two‐electron oxygen reduction reaction. Herein, catalyst architecture with iso‐elemental heterojunction formed interfacing Zn 3 In S 6 nano‐flowers ZnIn 4 nanosheets proposed. This exhibits production rate high 23.47 µmol g −1 min under UV–vis irradiation, which attributed minimized contact barrier enhanced lattice match at /Zn interface thanks aids efficient separation transfer photogenerated carriers. Theoretical simulations alongside comprehensive in‐situ ex‐situ characterizations confirm photo‐redox generation effective dynamics across surface. Moreover, substituting one reduction‐type other non‐iso‐elemental catalysts like CdIn , TiO CdS further confirms feasibility superiority proposed configuration. work offers new perspective on designing .

Language: Английский

Citations

19
Rational Design of Covalent Organic Frameworks for Photocatalytic Hydrogen Peroxide Production DOI Open Access
Yang Ou, Yifan Zhang, Wen Luo

et al.

Macromolecular Rapid Communications, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 12, 2025

Abstract Photocatalytic production of hydrogen peroxide (H 2 O ) represents a significant approach to achieving sustainable energy generation through solar energy, addressing both shortages and environmental pollution. Among various photocatalytic materials, covalent organic frameworks (COFs) have gained widespread attention in‐depth research due their unique advantages, including high porosity, predesignability, atomic‐level tunability. In recent years, progress has been made in the development, performance enhancement, mechanistic understanding COF‐based photocatalysts. This review focuses on latest advancements H using COFs, particularly emphasizing rational design COF structures regulate catalytic exploring fundamental processes involved photocatalysis. Based current achievements this field, paper also discusses existing challenges future opportunities, aiming provide reference for application COFs production.

Language: Английский

Citations

10
Fine-tuning d-p hybridization in Ni-Bx cocatalyst for enhanced photocatalytic H2 production DOI Creative Commons

Haoyu Long,

Xidong Zhang, Zhenyi Zhang

et al.

Nature Communications, Journal Year: 2025, Volume and Issue: 16(1)

Published: Jan. 22, 2025

The H2-evolution kinetics play a pivotal role in governing the photocatalytic hydrogen-evolution process. However, achieving precise regulation of H-adsorption and H-desorption equilibrium (Hads/Hdes) still remains great challenge. Herein, we propose fine-tuning d-p hybridization strategy to precisely optimize Hads/Hdes Ni-Bx modified CdS photocatalyst (Ni-Bx/CdS). X-ray absorption fine-structure spectroscopy theoretical calculations reveal that increasing B-atom amount cocatalyst gradually strengthens orbital interaction between Ni3d B2p, resulting consecutive d-band broadening controllable center on Ni active sites. above optimization allows for modulation dynamics Ni-Bx/CdS, ultimately demonstrating remarkable activity 13.4 mmol g-1 h-1 (AQE = 56.1 %). femtosecond transient further confirms rapid electron-transfer Ni-Bx/CdS photocatalyst. This work provides insights into optimal design prospective catalysts. A is proposed sites, H-adsorption/desorption balance improving H2 evolution efficiency.

Language: Английский

Citations

5