ArticleNano-micro letters2023
Metal-Free 2D/2D van der Waals Heterojunction Based on Covalent Organic Frameworks for Highly Efficient Solar Energy Catalysis.
Article in Nano-micro letters, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 60 citations in OpenAlex.
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- Flexible High-Aspect-Ratio COF Nanofibers: Defect-Engineered Synthesis, Superelastic Aerogels, and Uranium Extraction Applications.Nano-micro letters · 2026Article
- Photothermal COACS omega · 2025Article
- Bulky Ligand-Induced Hindrance in Photocatalytic COMolecules (Basel, Switzerland) · 2025Article
- Ultrathin Porous Carbon Nitride Anchored with Pt Nanoclusters for Synergistic Enhancement of Hydrogen Production in Alkaline Photocatalytic Polyester Reforming.Small (Weinheim an der Bergstrasse, Germany) · 2024Article
- Van der Waals Heterostructures for Photoelectric, Memory, and Neural Network Applications.Small science · 2024Article
- All-Covalent Organic Framework Nanofilms Assembled Lithium-Ion Capacitor to Solve the Imbalanced Charge Storage Kinetics.Nano-micro letters · 2024Article
- Strain-Induced Surface Interface Dual Polarization Constructs PML-Cu/BiNano-micro letters · 2024Article
- Decade Milestone Advancement of Defect-Engineered g-CNano-micro letters · 2024Review
- Advances of Electrochemical and Electrochemiluminescent Sensors Based on Covalent Organic Frameworks.Nano-micro letters · 2023Review
- Nanoengineering Metal-Organic Frameworks and Derivatives for Electrosynthesis of Ammonia.Nano-micro letters · 2023Review
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Authors and funding
8 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Covalent organic frameworks (COFs) have emerged as a kind of rising star materials in photocatalysis. However, their photocatalytic activities are restricted by the high photogenerated electron-hole pairs recombination rate. Herein, a novel metal-free 2D/2D van der Waals heterojunction, composed of a two-dimensional (2D) COF with ketoenamine linkage (TpPa-1-COF) and 2D defective hexagonal boron nitride (h-BN), is successfully constructed through in situ solvothermal method. Benefitting from the presence of VDW heterojunction, larger contact area and intimate electronic coupling can be formed between the interface of TpPa-1-COF and defective h-BN, which make contributions to promoting charge carriers separation. The introduced defects can also endow the h-BN with porous structure, thus providing more reactive sites. Moreover, the TpPa-1-COF will undergo a structural transformation after being integrated with defective h-BN, which can enlarge the gap between the conduction band position of the h-BN and TpPa-1-COF, and suppress electron backflow, corroborated by experimental and density functional theory calculations results. Accordingly, the resulting porous h-BN/TpPa-1-COF metal-free VDW heterojunction displays outstanding solar energy catalytic activity for water splitting without co-catalysts, and the H
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