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Zero-dimensional "excitons" in semiconductor clusters
Abstract
Semiconductor crystallites of characteristic dimension\sim20-100Å can be made by precipitation in liquids and dielectrics. These crystallites have bulk-like internal lattices. The optical spectra show partially resolved discrete features that result from carrier spatial confinement in three dimensions. Spectral shifts of more than 1 eV are observed. The electronic wavefunctions of small crystallites are discussed within the effective mass approximation. The pattern of discrete hole states is qualitatively different in small crystallites than in slab superlattices. In small CdS crystallites, luminescence is observed from trapped carriers that may be in localized surface states. The recombination emission is strongly coupled to crystallite phonons.
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Cited by
II–VI semiconductor nanoparticles synthesized by laser ablation
Semaltianos, N. G., Logothetidis, S., Perrie, W., Romani, S., Potter, R. J., Sharp, M., French, P., Dearden, G., & Watkins, K. G. (2009) · Applied Physics A · doi:10.1007/s00339-008-4854-y · Cited by 55
Efficient fuel cell catalysts emerging from organometallic chemistry
Bönnemann, H., & Khelashvili, G. (2010) · Applied Organometallic Chemistry · doi:10.1002/aoc.1613 · Cited by 30
Metadata
- Authors
- Brus, L.
- Venue
- IEEE Journal of Quantum Electronics
- Published
- 1986-09
- Volume
- 22
- Issue
- 9
- Pages
- 1909-1914
- ISSN
- 0018-9197 (ISSN-L)
- OpenAlex
- W2019505900
- Cited by
- 510
- References
- 0
- FWCI
- 10.78
- Type
- journal article
- Language
- en
- Open access
- closed
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
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.
