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Experimental Evidence for the Quantum Confinement Effect in 3C-SiC Nanocrystallites
Abstract
Using electrochemical etching of a polycrystalline 3C-SiC target and subsequent ultrasonic treatment in water solution, we have fabricated suspensions of 3C-SiC nanocrystallites that luminesce. Transmission electron microscope observations show that the 3C-SiC nanocrystallites, which uniformly disperse in water, have sizes in the range of 1-6 nm. Photoluminescence and photoluminescence excitation spectral examinations show clear evidence for the quantum confinement of 3C-SiC nanocrystallites with the emission band maximum ranging from 440 to 560 nm. Tunable, composite polystyrene/SiC film can be made by adding polystyrene to a toluene suspension of the 3C-SiC nanocrystallites and then coating the resulting solution onto a Si wafer.
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Citations
Cited by
Wu, X. L., Xiong, S. J., Zhu, J., Wang, J., Shen, J. C., & Chu, P. K. (2009) · Nano Letters · doi:10.1021/nl902226u · Cited by 120
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Metadata
- Authors
- Wu, X. L., Fan, J. Y., Qiu, T., Yang, X., Siu, G. G., & Chu, P. K.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2005-01-19
- Volume
- 94
- Issue
- 2
- Pages
- 026102-026102
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1975113524
- Cited by
- 308
- References
- 0
- FWCI
- 8.67
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wu, X. L., Fan, J. Y., Qiu, T., Yang, X., Siu, G. G., & Chu, P. K. (2005). Experimental Evidence for the Quantum Confinement Effect in 3C-SiC Nanocrystallites. Physical Review Letters. https://doi.org/10.1103/physrevlett.94.026102
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