Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 61, Issue 43, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202210242
Keywords
Copper Oxide; Graphdiyne; Deprotection-Free Synthesis; Graphdiyne; Photocatalysis; In Situ Formation
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Funding
- European Union [101030637]
- French National Research Agency (ANR) as part of the Investissements d'Avenir program (Labex NanoSaclay) [ANR-10-LABX-0035]
- French National Research Agency (ANR) as part of the ERANET-ACT3 call program
- Paris Ile-de-France Region [DIM RESPORE-2021-27]
- Strategic Priority Research Program of the Chinese Academy of Science [XDB17000000]
- Key Research Program of Frontier Science of the Chinese Academy of Sciences [QYZDY-SSW-JSC029]
- Generalitat de Catalunya [2017 SGR 327]
- Severo Ochoa program from Spanish MINECO [SEV-2017-0706]
- CERCA Programme/Generalitat de Catalunya
- Marie Curie Actions (MSCA) [101030637] Funding Source: Marie Curie Actions (MSCA)
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This study reports a deprotection-free strategy for preparing GDY powder and demonstrates the excellent potential of CuO/GDY as a photocatalytic hydrogen evolution co-catalyst, which is comparable to the state-of-the-art Pt co-catalyst.
With a direct band gap, superior charge carrier mobility, and uniformly distributed pores, graphdiyne (GDY) has stimulated tremendous interest from the scientific community. However, its broad application is greatly limited by the complicated multistep synthesis process including complex deprotection of hexakis-[(trimethylsilyl)ethynyl]benzene (HEB-TMS) and peeling of GDY from the substrates. Here, we describe a deprotection-free strategy to prepare GDY powder by directly using HEB-TMS as the monomer. When CuCl was used as the catalysts in DMF solvent, the yield of GDY powder reached approximate to 100 %. More interestingly, uniformly dispersed CuO nanoparticles with an average diameter of approximate to 2.9 nm were in situ formed on GDY after the reaction. The prepared CuO/GDY was demonstrated an excellent co-catalyst for photocatalytic hydrogen evolution, comparable to the state-of-art Pt co-catalyst. The deprotection-free approach will widen the use of GDY and facilitate its scaling up to industrial level.
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