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Seeded Growth of Highly Luminescent CdSe/CdS Nanoheterostructures with Rod and Tetrapod Morphologies
Abstract
We have demonstrated that seeded growth of nanocrystals offers a convenient way to design nanoheterostructures with complex shapes and morphologies by changing the crystalline structure of the seed. By using CdSe nanocrystals with wurtzite and zinc blende structure as seeds for growth of CdS nanorods, we synthesized CdSe/CdS heterostructure nanorods and nanotetrapods, respectively. Both of these structures showed excellent luminescent properties, combining high photoluminescence efficiency (approximately 80 and approximately 50% for nanorods and nanotetrapods, correspondingly), giant extinction coefficients (approximately 2 x 10(7) and approximately 1.5 x 10(8) M(-1) cm(-1) at 350 nm for nanorods and nanotetrapods, correspondingly), and efficient energy transfer from the CdS arms into the emitting CdSe core.
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Citations
Cited by
Photocatalytic Hydrogen Production with Tunable Nanorod Heterostructures
Amirav, L., & Alivisatos, A. P. (2010) · The Journal of Physical Chemistry Letters · doi:10.1021/jz100075c · Cited by 624
Self-citationSelf-Assembled Colloidal Superparticles from Nanorods
Wang, T., Zhuang, J., Lynch, J., Chen, O., Wang, Z., Wang, X., LaMontagne, D., Wu, H., Wang, Z., & Cao, Y. C. (2012) · Science · doi:10.1126/science.1224221 · Cited by 375
Surface Chemistry Mediates Thermal Transport in Three-Dimensional Nanocrystal Arrays
Ong, W.-L., Rupich, S. M., Talapin, D. V., McGaughey, A. J. H., & Malen, J. A. (2013) · Nature Materials · doi:10.1038/nmat3596 · Cited by 249
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Metadata
- Authors
- Talapin, D. V., Nelson, J. H., Shevchenko, E. V., Aloni, S., Sadtler, B., & Alivisatos, A. P.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-09-11
- Volume
- 7
- Issue
- 10
- Pages
- 2951-2959
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2074644185
- Cited by
- 781
- References
- 0
- FWCI
- 21.21
- Type
- journal article
- Language
- en
- Open access
- closed
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- Talapin, D. V., Nelson, J. H., Shevchenko, E. V., Aloni, S., Sadtler, B., & Alivisatos, A. P. (2007). Seeded Growth of Highly Luminescent CdSe/CdS Nanoheterostructures with Rod and Tetrapod Morphologies. Nano Letters. https://doi.org/10.1021/nl072003g
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