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Melting in Semiconductor Nanocrystals
Abstract
New physics occurs in semiconductors when one or more dimensions of the crystal are reduced to a size comparable to bulk electron delocalization lengths (tens to hundreds of angstroms). The properties of "quantum dots" or semiconductor nanocrystals are now being studied, as techniques to fabricate the crystallites are developed. Temperature-dependent electron diffraction studies on nanocrystals of CdS show a large depression in the melting temperature with decreasing size, as a larger fraction of the total number of atoms is on the surface. Thermal stability may play a role in determining the uses of semiconductor nanocrystals.
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Citations
Cited by
Perspectives on the Physical Chemistry of Semiconductor Nanocrystals
Alivisatos, A. P. (1996) · The Journal of Physical Chemistry · doi:10.1021/jp9535506 · Cited by 3,595
Self-citationTransmission Electron Microscopy of Shape-Controlled Nanocrystals and Their Assemblies
Wang, Z. L. (2000) · The Journal of Physical Chemistry B · doi:10.1021/jp993593c · Cited by 2,137
Size dependence of nanostructures: Impact of bond order deficiency
Sun, C. Q. (2007) · Progress in Solid State Chemistry · doi:10.1016/j.progsolidstchem.2006.03.001 · Cited by 873
Self-Purification in Semiconductor Nanocrystals
Dalpian, G. M., & Chelikowsky, J. R. (2006) · Physical Review Letters · doi:10.1103/physrevlett.96.226802 · Cited by 678
Size-Dependent Melting of Silica-Encapsulated Gold Nanoparticles
Dick, K., Dhanasekaran, T., Zhang, Z., & Meisel, D. (2002) · Journal of the American Chemical Society · doi:10.1021/ja017281a · Cited by 549
Metadata
- Authors
- Goldstein, A. N., Echer, C. M., & Alivisatos, A. P.
- Venue
- Science
- Published
- 1992-06-05
- Volume
- 256
- Issue
- 5062
- Pages
- 1425-1427
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W1998420645
- Cited by
- 1,059
- References
- 0
- FWCI
- 15.89
- Type
- journal article
- Language
- en
- Open access
- closed
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- Goldstein, A. N., Echer, C. M., & Alivisatos, A. P. (1992). Melting in Semiconductor Nanocrystals. Science. https://doi.org/10.1126/science.256.5062.1425
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
