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Studies on the fabrication and properties of luminescent silicon films on foreign substrates

TitoloStudies on the fabrication and properties of luminescent silicon films on foreign substrates
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione2001
AutoriDi Francia, G., La Ferrara V., Lancellotti L., and Morvillo P.
RivistaApplied Physics Letters
Volume78
Paginazione213-215
ISSN00036951
Abstract

Thin luminescent silicon layers are fabricated and placed on various substrates using a purely wet-chemical process at room temperature. To this aim, silicon powder with an average grain size of about 0.1 μm is etched in a HF:HNO3 solution. During the reaction, a coalescence phenomenon is observed resulting in the formation of the photoluminescent film (PLF). This film has been picked up and placed on silicon, gallium arsenide, and glass substrates, respectively. Physical properties of PLF depend on the etching time. Under our processing conditions the film with a thickness between 20 and 14 μm has a porosity ranging between 40% and 50%, respectively, and has very high electrical resistance. © 2001 American Institute of Physics.

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cited By 3

URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-0037830283&doi=10.1063%2f1.1330228&partnerID=40&md5=6883dd1e4832a66147f5d54a391d5bbd
DOI10.1063/1.1330228
Citation KeyDiFrancia2001213