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Silicon nanocrystals with ensemble quantum yields exceeding 60%
Abstract
Silicon nanocrystals with diameters of less than 5nm show efficient photoluminescence at room temperature. For ensembles of silicon quantum dots, previous reports of photoluminescence quantum yields have usually been in the few percent range, and generally less than 30%. Here we report the plasma synthesis of silicon quantum dots and their subsequent wet-chemical surface passivation with organic ligands under strict exclusion of oxygen. Photoluminescence quantum yields exceeding 60% have been achieved at peak wavelengths of about 789nm.
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Cites
Thermal Transport in Au-Core Polymer-Shell Nanoparticles
Ge, Z., Kang, Y., Taton, T. A., Braun, P. V., & Cahill, D. G. (2005) · Nano Letters · doi:10.1021/nl047944x · Cited by 82
Cited by
New Generation Cadmium-Free Quantum Dots for Biophotonics and Nanomedicine
Xu, G., Zeng, S., Zhang, B., Swihart, M. T., Yong, K.-T., & Prasad, P. N. (2016) · Chemical Reviews · doi:10.1021/acs.chemrev.6b00290 · Cited by 587
Sentinel Lymph Node Imaging Using Quantum Dots in Mouse Tumor Models
Ballou, B., Ernst, L. A., Andreko, S., Harper, T., Fitzpatrick, J. A. J., Waggoner, A. S., & Bruchez, M. P. (2007) · Bioconjugate Chemistry · doi:10.1021/bc060261j · Cited by 344
Silicon as an emissive optical medium
Shainline, J. M., & Xu, J. (2007) · Laser & Photonics Reviews · doi:10.1002/lpor.200710021 · Cited by 52
Metadata
- Authors
- Jurbergs, D., Rogojina, E., Mangolini, L., & Kortshagen, U.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2006-06-05
- Volume
- 88
- Issue
- 23
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2065572677
- Cited by
- 432
- References
- 1
- FWCI
- 14.11
- Type
- journal article
- Language
- en
- Open access
- closed
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