A 20-core copper(i) nanocluster as electron-hole recombination inhibitor on TiOnanosheets for enhancing photocatalytic Hevolution
Nanoscale, ISSN: 2040-3372, Vol: 13, Issue: 38, Page: 16182-16188
2021
- 11Citations
- 4Captures
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Article Description
For the design of atom-precise copper nanoclusters, besides the exploration of their aesthetic cage-like architectures, their structural modulation and potential applications are being extensively explored. Herein, an atom-precise 20-core copper(i)-alkynyl nanocluster (UJN-Cu20) protected by ethinyloestradiol ligands issynthesized. By virtue of outer-shell hydroxyl groups, UJN-Cu20 could be uniformly modified on the surface of TiO2 nanosheets via hydrogen bonding interactions, thus forming an efficient nanocomposite photocatalyst for hydrogen evolution. By constructing a Z-scheme heterojunction, the photocatalytic hydrogen evolution activity of the nanocomposite (13 mmol g-1 h-1) significantly improved as compared to that of TiO2 nanosheets (0.4 mmol g-1 h-1). As a narrow bandgap cocatalyst, UJN-Cu20 is confirmed to effectively inhibit the electron-hole recombination on the surface of the TiO2 nanosheet, which provides a new concept for the design of copper cluster-assisted effective photocatalysts.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85116881955&origin=inward; http://dx.doi.org/10.1039/d1nr04683g; http://www.ncbi.nlm.nih.gov/pubmed/34545898; https://xlink.rsc.org/?DOI=D1NR04683G; https://dx.doi.org/10.1039/d1nr04683g; https://pubs.rsc.org/en/content/articlelanding/2021/nr/d1nr04683g
Royal Society of Chemistry (RSC)
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