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Carrier localization and photoluminescence in porous silicon

TitleCarrier localization and photoluminescence in porous silicon
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication1999
AuthorsNinno, D., Iadonisi G., and Buonocore F.
JournalSolid State Communications
Volume112
Pagination521-525
ISSN00381098
KeywordsCarrier localization, Charge carriers, Nanostructured materials, Photoluminescence, Porous silicon, Semiconductor quantum wires
Abstract

We show that the optical absorption and emission energies in porous silicon can be accounted for in a quantum wire confinement model where both the electron and the hole are localized by lateral surface wire undulations. Localization energies for both the particles have been numerically calculated within the effective mass approximation showing that there exists a limited class of wire geometries which are consistent with porous silicon optical and structure analysis data.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-0033204569&doi=10.1016%2fS0038-1098%2899%2900308-7&partnerID=40&md5=33a6e133c61274d7a22f5f7bd7e11905
DOI10.1016/S0038-1098(99)00308-7
Citation KeyNinno1999521