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Ultrabright PbSe Magic-sized Clusters
Abstract
We present the synthesis and characterization of novel, ultrasmall PbSe magic-sized nanoclusters (MSCs). Unlike the syntheses of high-quality semiconductor nanoparticles, the MSC synthesis is straightforward, occurring at room temperature in air over several hours. MSCs have core diameters <2 nm and fluoresce in the near-infrared (900 nm) with remarkable quantum efficiencies consistently greater than 50%. The relatively slow growth of MSCs allows for a significant scale up of reaction volumes. Transfer to aqueous solvents has also been demonstrated, establishing MSCs as a potential new fluorophore for applications in biological imaging.
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Cites
Renal clearance of quantum dots
Soo Choi, H., Liu, W., Misra, P., Tanaka, E., Zimmer, J. P., Itty Ipe, B., Bawendi, M. G., & Frangioni, J. V. (2007) · Nature Biotechnology · doi:10.1038/nbt1340 · Cited by 4,476
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Stability Assessment on a 3% Bilayer PbS/ZnO Quantum Dot Heterojunction Solar Cell
Luther, J. M., Gao, J., Lloyd, M. T., Semonin, O. E., Beard, M. C., & Nozik, A. J. (2010) · Advanced Materials · doi:10.1002/adma.201001148 · Cited by 386
Tin and germanium monochalcogenide IV–VI semiconductor nanocrystals for use in solar cells
Antunez, P. D., Buckley, J. J., & Brutchey, R. L. (2011) · Nanoscale · doi:10.1039/c1nr10084j · Cited by 310
Two-Step Nucleation and Growth of InP Quantum Dots via Magic-Sized Cluster Intermediates
Gary, D. C., Terban, M. W., Billinge, S. J. L., & Cossairt, B. M. (2015) · Chemistry of Materials · doi:10.1021/acs.chemmater.5b00286 · Cited by 304
Effect of Surface Ligands on Optical and Electronic Spectra of Semiconductor Nanoclusters
Kilina, S., Ivanov, S., & Tretiak, S. (2009) · Journal of the American Chemical Society · doi:10.1021/ja9005749 · Cited by 277
Highly Effective Surface Passivation of PbSe Quantum Dots through Reaction with Molecular Chlorine
Bae, W. K., Joo, J., Padilha, L. A., Won, J., Lee, D. C., Lin, Q., Koh, W.-K., Luo, H., Klimov, V. I., & Pietryga, J. M. (2012) · Journal of the American Chemical Society · doi:10.1021/ja309783v · Cited by 259
Metadata
- Authors
- Evans, C. M., Guo, L., Peterson, J. J., Maccagnano-Zacher, S., & Krauss, T. D.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2008-08-01
- Volume
- 8
- Issue
- 9
- Pages
- 2896-2899
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W1980333986
- Cited by
- 158
- References
- 1
- FWCI
- 6.06
- Type
- journal article
- Language
- en
- Open access
- closed
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- Evans, C. M., Guo, L., Peterson, J. J., Maccagnano-Zacher, S., & Krauss, T. D. (2008). Ultrabright PbSe Magic-sized Clusters. Nano Letters. https://doi.org/10.1021/nl801685a
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