The DOI matches its Crossref record; 24 of the 24 references it cites were found in a registry or an index.
Photoemission Mechanism of Water-Soluble Silver Nanoclusters: Ligand-to-Metal–Metal Charge Transfer vs Strong Coupling between Surface Plasmon and Emitters
Abstract
Using carboxylate-protected silver nanoclusters (Ag-carboxylate NCs) as a model, we separately investigated the contribution of the ligand shell and the metal core to understand the nature of photoluminescence of Ag NCs. A new Ag(0)NCs@Ag(I)-carboxylate complex core-shell structural model has been proposed. The emission from the Ag-carboxylate NCs could be attributed to ligand-to-metal-metal charge transfer from Ag(I)-carboxylate complexes (the oxygen atom in the carboxylate ligands to the Ag(I) ions) to the Ag atoms and subsequent radiative relaxation. Additionally, we found that the emission wavelength of the Ag NCs depends on the excitation wavelength implying a strong coupling between surface plasmon and emitter in Ag NCs. The strong coupling between the surface plasmon and the emitter determines the quantum yield and lifetime. The emission mechanism of Ag NCs and its relation to the organic templates and metal cores were clearly clarified. The results should stimulate additional experimental and theoretical research on the molecular-level design of luminescent metal probes for optoelectronics and other applications.
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Cites
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Cited by
Yang, T.-Q., Peng, B., Shan, B.-Q., Zong, Y.-X., Jiang, J.-G., Wu, P., & Zhang, K. (2020) · Nanomaterials · doi:10.3390/nano10020261 · Cited by 258
Self-citation
Metadata
- Authors
- Chen, Y., Yang, T., Pan, H., Yuan, Y., Chen, L., Liu, M., Zhang, K., Zhang, S., Wu, P., & Xu, J.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2014-01-27
- Volume
- 136
- Issue
- 5
- Pages
- 1686-1689
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1973908283
- Cited by
- 269
- References
- 24
- FWCI
- 10.13
- Type
- journal article
- Language
- en
- Open access
- closed
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