[Cu$_{15}$(PPh$_3$)$_6$(PET)$_{13}$]$^{2+}$ : a Copper Nanocluster with Crystallization Enhanced Photoluminescence
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ArticleAuthors
Nematulloev, Saidkhodzha
Huang, Renwu

Yin, Jun

Shkurenko, Aleksander

Dong, Chunwei
Ghosh, Atanu
Alamer, Badriah

Naphade, Rounak

Hedhili, Mohamed N.

Maity, Partha

Eddaoudi, Mohamed

Mohammed, Omar F.

Bakr, Osman

KAUST Department
Advanced Membranes and Porous Materials Research CenterBiological and Environmental Science and Engineering (BESE) Division
Chemical Science
Chemical Science Program
Functional Materials Design, Discovery and Development (FMD3)
Functional Nanomaterials Lab (FuNL)
KAUST Catalysis Center (KCC)
KAUST Catalysis Center (KCC) Division of Physical Sciences and Engineering King Abdullah University of Science and Technology (KAUST) Thuwal 23955–6900 Saudi Arabia
KAUST Solar Center (KSC)
Material Science and Engineering Program
Physical Science and Engineering (PSE) Division
Surface Science
Ultrafast Laser Spectroscopy and Four-dimensional Electron Imaging Research Group
Date
2021-03-19Online Publication Date
2021-03-19Print Publication Date
2021-07Embargo End Date
2022-03-19Submitted Date
2020-11-01Permanent link to this record
http://hdl.handle.net/10754/668152
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Due to their atomically precise structure, photoluminescent copper nanoclusters (Cu NCs) have emerged as promising materials in both fundamental studies and technological applications, such as bio-imaging, cell labeling, phototherapy, and photo-activated catalysis. In this work, a facile strategy is reported for the synthesis of a novel Cu NCs coprotected by thiolate and phosphine ligands, formulated as [Cu$_{15}$(PPh$_3$)$_6$(PET)$_{13}$]$^{2+}$, which exhibits bright emission in the near-infrared (NIR) region (≈720 nm) and crystallization-induced emission enhancement (CIEE) phenomenon. Single crystal X-ray crystallography shows that the NC possesses an extraordinary distorted trigonal antiprismatic Cu$_6$ core and a, unique among metal clusters, “tri-blade fan”-like structure. An in-depth structural investigation of the ligand shell combined with density functional theory calculations reveal that the extended C—H···π and π-π intermolecular ligand interactions significantly restrict the intramolecular rotations and vibrations and, thus, are a major reason for the CIEE phenomena. This study provides a strategy for the controllable synthesis of structurally defined Cu NCs with NIR luminescence, which enables essential insights into the origins of their optical properties.Citation
Nematulloev, S., Huang, R., Yin, J., Shkurenko, A., Dong, C., Ghosh, A., … Bakr, O. M. (2021). [Cu15(PPh3)6(PET)13]2+ : a Copper Nanocluster with Crystallization Enhanced Photoluminescence. Small, 2006839. doi:10.1002/smll.202006839Sponsors
This work was supported by King Abdullah University of Science and Technology (KAUST).Publisher
WileyJournal
SmallPubMed ID
33739606Additional Links
https://onlinelibrary.wiley.com/doi/10.1002/smll.202006839Relations
Is Supplemented By:- [Dataset]
Nematulloev, Saidkhodzha, Huang, Ren-Wu, Yin, Jun, Shkurenko, Aleksander, Dong, Chunwei, Ghosh, Atanu, Alamer, Badriah, Naphade, Rounak, Hedhili, Mohamed Nejib, Maity, Partha, Eddaoudi, Mohamed, Mohammed, Omar F., & Bakr, Osman M. (2021). CCDC 1999570: Experimental Crystal Structure Determination [Data set]. Cambridge Crystallographic Data Centre. https://doi.org/10.5517/CCDC.CSD.CC253Q89. DOI: 10.5517/ccdc.csd.cc253q89 Handle: 10754/674160
ae974a485f413a2113503eed53cd6c53
10.1002/smll.202006839
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Articles; Biological and Environmental Science and Engineering (BESE) Division; Advanced Membranes and Porous Materials Research Center; Physical Science and Engineering (PSE) Division; Functional Materials Design, Discovery and Development (FMD3); Chemical Science Program; Material Science and Engineering Program; KAUST Catalysis Center (KCC); KAUST Solar Center (KSC)Related articles
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