DOI: 10.1143/jjap.31.l1451. Comparison of Photoluminescence Lifetimes between As-Prepared and Dry-Oxidized Porous Si

Comparison of Photoluminescence Lifetimes between As-Prepared and Dry-Oxidized Porous Si

10.1143/jjap.31.l1451

Crossref journal-article

IOP Publishing

Japanese Journal of Applied Physics (266)

Abstract

The photoluminescence decay of both as-prepared and dry-oxidized porous Si excited by a nitrogen laser pulse is not exponential, but is fitted well by two exponential decays with lifetimes ranging from a few nanoseconds to over 100 nanoseconds. Further, those lifetimes do not change with changing excitation power by more than three orders of magnitude. The lifetime of dry-oxidized porous Si is longer than that of as-prepared porous Si. These studies would suggest that the photoluminescence mechanism is basically the same for both as-prepared and dry-oxidized porous Si, and the radiative recombination path is through some luminescence centers lying in the widened band gap owing to quantum size effects.

Bibliography

Yamada, M., Akira Takazawa, A. T., & Tetsuro Tamura, T. T. (1992). Comparison of Photoluminescence Lifetimes between As-Prepared and Dry-Oxidized Porous Si. Japanese Journal of Applied Physics, 31(10B), L1451.

Authors 3

Masao Yamada (first)
Akira Takazawa Akira Takazawa (additional)
Tetsuro Tamura Tetsuro Tamura (additional)

References 9 Referenced 20

10.1063/1.105869 / Appl. Phys. Lett. (1991)
10.1063/1.106576 / Appl. Phys. Lett. (1992)
10.1143/JJAP.31.L1 / Jpn. J. Appl. Phys. (1992)
10.1063/1.106578 / Appl. Phys. Lett. (1992)
10.1063/1.107663 / Appl. Phys. Lett. (1992)
10.1143/JJAP.31.L993 / Jpn. J. Appl. Phys. (1992)
10.1063/1.351097 / J. Appl. Phys. (1992)
{'year': '1991', 'key': ''} (1991)
{'year': '1989', 'key': ''} (1989)

Dates

Type	When
Created	20 years, 6 months ago (Feb. 22, 2005, 9:13 p.m.)
Deposited	2 years, 9 months ago (Dec. 6, 2022, 5:33 p.m.)
Indexed	6 months, 2 weeks ago (Feb. 21, 2025, 5:35 a.m.)
Issued	32 years, 11 months ago (Oct. 1, 1992)
Published	32 years, 11 months ago (Oct. 1, 1992)
Published Print	32 years, 11 months ago (Oct. 1, 1992)

Funders 0

None

BibTeX

@article{Yamada_1992, title={Comparison of Photoluminescence Lifetimes between As-Prepared and Dry-Oxidized Porous Si}, volume={31}, ISSN={1347-4065}, url={http://dx.doi.org/10.1143/jjap.31.l1451}, DOI={10.1143/jjap.31.l1451}, number={10B}, journal={Japanese Journal of Applied Physics}, publisher={IOP Publishing}, author={Yamada, Masao and Akira Takazawa, Akira Takazawa and Tetsuro Tamura, Tetsuro Tamura}, year={1992}, month=oct, pages={L1451} }

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