The DOI matches its Crossref record; 22 of the 22 references it cites were found in a registry or an index.
Precise Tuning of Surface Quenching for Luminescence Enhancement in Core–Shell Lanthanide-Doped Nanocrystals
Open accessAbstract
Lanthanide-doped nanocrystals are of particular interest for the research community not only due to their ability to shape light by downshifting, quantum cutting, and upconversion but also because novel optical properties can be found by the precise engineering of core–shell nanocrystals. Because of the large surface area-to-volume ratio of nanocrystals, the luminescence is typically suppressed by surface quenching. Here, we demonstrate a mechanism that exploits surface quenching processes to improve the luminescence of our core–shell lanthanide-doped nanocrystals. By carefully tuning the shell thickness of inert β-NaLuF 4 around β-NaYF 4 nanocrystals doped with Yb 3+ and Er 3+, we unravel the relationship between quantum yield and shell thickness, and quantify surface quenching rates for the relevant Er 3+ and Yb 3+ energy levels. This enhanced understanding of the system’s dynamics allowed us to design nanocrystals with a surface quenching-assisted mechanism for bright NIR to NIR downshifting with a distinctive efficiency peak for an optimized shell thickness.
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Cites
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Cited by
Rare-Earth Doping in Nanostructured Inorganic Materials
Zheng, B., Fan, J., Chen, B., Qin, X., Wang, J., Wang, F., Deng, R., & Liu, X. (2022) · Chemical Reviews · doi:10.1021/acs.chemrev.1c00644 · Cited by 1,204
Nenon, D. P., Pressler, K., Kang, J., Koscher, B. A., Olshansky, J. H., Osowiecki, W. T., Koc, M. A., Wang, L.-W., & Alivisatos, A. P. (2018) · Journal of the American Chemical Society · doi:10.1021/jacs.8b11035 · Cited by 631
Self-citationNaYF4:Yb,Er/NaYF4 Core/Shell Nanocrystals with High Upconversion Luminescence Quantum Yield
Homann, C., Krukewitt, L., Frenzel, F., Grauel, B., Würth, C., Resch‐Genger, U., & Haase, M. (2018) · Angewandte Chemie International Edition · doi:10.1002/anie.201803083 · Cited by 389
Liu, X., Wang, Y., Li, X., Yi, Z., Deng, R., Liang, L., Xie, X., Loong, D. T. B., Song, S., Fan, D., et al. (2017) · Nature Communications · doi:10.1038/s41467-017-00916-7 · Cited by 386
NIR II-responsive photon upconversion through energy migration in an ytterbium sublattice
Zhou, B., Yan, L., Huang, J., Liu, X., Tao, L., & Zhang, Q. (2020) · Nature Photonics · doi:10.1038/s41566-020-00714-6 · Cited by 384
Metadata
- Authors
- Fischer, S., Bronstein, N. D., Swabeck, J. K., Chan, E. M., & Alivisatos, A. P.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-10-13
- Volume
- 16
- Issue
- 11
- Pages
- 7241-7247
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2531380497
- Cited by
- 334
- References
- 22
- FWCI
- 17.75
- Type
- journal article
- Language
- en
- Open access
- green
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- Fischer, S., Bronstein, N. D., Swabeck, J. K., Chan, E. M., & Alivisatos, A. P. (2016). Precise Tuning of Surface Quenching for Luminescence Enhancement in Core–Shell Lanthanide-Doped Nanocrystals. Nano Letters. https://doi.org/10.1021/acs.nanolett.6b03683
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