A Homoleptic Alkynyl‐Ligated [Au13Ag16L24]3‐ Cluster as a Catalytically Active Eight‐Electron Superatom
Li, G., Hakkinen, H., Qin, Z., Sharma, S., Wan, C.-Q., Xu, W.-W., & Malola, S. (2021). A Homoleptic Alkynyl‐Ligated [Au13Ag16L24]3‐ Cluster as a Catalytically Active Eight‐Electron Superatom. Angewandte Chemie, 60(2), 970-975. https://doi.org/10.1002/anie.202011780
Julkaistu sarjassa
Angewandte ChemieTekijät
Li, Gao |
Päivämäärä
2021Tekijänoikeudet
© 2021 Wiley
A brand new alkynylated cluster [Au 13 Ag 16 (C 10 H 6 NO) 24 ] 3- is prepared by NaBH 4 mediated reduction method. The AuAg clusters are confirmed by various sophisticated characterization techniques. It manifested the unique metal framework of “Au center @Ag 12 @Au 12 Ag 4 ” is protected by 24 atypical alkyne ligands L (L = C 10 H 6 NO). The ligands were found to construct a unique type of motif L-(Ag)-Au-(Ag)-L at the cluster interface, where, the alkyne (C≡C) group of each L was linked by sharing an Au atom through the σ bonds and each C≡C group was discretely connected to chemically different Ag atom (Ag icosahedral /Ag cap ) through π bonds. The electronic and optical properties of [Au 13 Ag 16 L 24 ] 3- were studied in detail. DFT characterized the cluster as a clear 8-electron superatom, and peaks in the optical absorption spectrum were successfully interpreted in terms of the P and D superatom states. The supported Au 13 Ag 16 L 24 /CeO 2 catalyst exhibited high catalytic activity and selectivity towards the A 3 -coupling reaction involving benzaldehyde, diethylamine and phenylacetylene.
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Julkaisija
WileyISSN Hae Julkaisufoorumista
1433-7851Asiasanat
Julkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/42321629
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Rahoittaja(t)
Suomen AkatemiaRahoitusohjelmat(t)
Akatemiaprofessorin tutkimuskulut, SA; Akatemiaprofessorin tehtävä, SALisätietoja rahoituksesta
We thank the financial support by Liaoning Natural Science Foundation of China (2020-MS-024), Liaoning Revitalization Talents Program (XLYC1807121), NSF of Beijing Municipality (2172014) and apacity Building for Sci-Tech Innovation-Fundamental Scientific Research Funds. The theoretical work at University of Jyväskylä was supported by the Academy of Finland (grants 292352 and 319208). The computations were made at the Finnish supercomputing center CSC and at the Barcelona Supercomputing Center as part of a PRACE project. ...Lisenssi
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