DOI: 10.1063/1.108372. Electronic structure and optical properties of silicon crystallites: Application to porous silicon

Electronic structure and optical properties of silicon crystallites: Application to porous silicon

10.1063/1.108372

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

We have calculated the electronic structure of spherical silicon crystallites containing up to 2058 Si atoms. We predict a variation of the optical band gap with respect to the size of the crystallites in very good agreement with available experimental results. We also calculate the electron-hole recombination time which is of the order of 10−4–10−6 s for crystallites with diameters of 2.0–3.0 nm. We conclude that small silicon crystallites can have interesting optical properties in the visible range. These results are applied to porous silicon for which we confirm that a possible origin of the luminescence is the quantum confinement.

Bibliography

Proot, J. P., Delerue, C., & Allan, G. (1992). Electronic structure and optical properties of silicon crystallites: Application to porous silicon. Applied Physics Letters, 61(16), 1948â1950.

Authors 3

J. P. Proot (first)
C. Delerue (additional)
G. Allan (additional)

References 23 Referenced 436

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{'key': '2024020304400686300_r7'}
{'key': '2024020304400686300_r8'}
10.1063/1.106098 / Appl. Phys. Lett. (1991)
10.1063/1.106578 / Appl. Phys. Lett. (1992)
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10.1103/PhysRevB.34.859 / Phys. Rev. B (1986)
{'key': '2024020304400686300_r15'}
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10.1103/PhysRevB.39.10935 / Phys. Rev. B (1989)
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Dates

Type	When
Created	23 years ago (July 26, 2002, 9:36 a.m.)
Deposited	1 year, 6 months ago (Feb. 2, 2024, 11:40 p.m.)
Indexed	3 weeks ago (Aug. 2, 2025, 12:08 a.m.)
Issued	32 years, 10 months ago (Oct. 19, 1992)
Published	32 years, 10 months ago (Oct. 19, 1992)
Published Print	32 years, 10 months ago (Oct. 19, 1992)

Funders 0

None

BibTeX

@article{Proot_1992, title={Electronic structure and optical properties of silicon crystallites: Application to porous silicon}, volume={61}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.108372}, DOI={10.1063/1.108372}, number={16}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Proot, J. P. and Delerue, C. and Allan, G.}, year={1992}, month=oct, pages={1948–1950} }

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