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Influence of alkali metallization (Li, Na and K) on photoluminescence properties of porous silicon

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dc.contributor.authorESMER, KADİR
dc.contributor.authorsEsmer, Kadir; Kayahan, Ersin
dc.date.accessioned2022-03-14T09:52:48Z
dc.date.available2022-03-14T09:52:48Z
dc.date.issued2009-12
dc.description.abstractWe present results for alkali metallization effects on photoluminescence (PL) properties of porous silicon (PS). The metallization of PS was realized by immersion plating in solutions containing 3 mM LiNO3, KNO3 and NaNO3 metal salts. The surface bond configuration of PS was monitored by Fourier transmission infrared spectroscopy (FTIR) and it was found that the PS surface was oxidized after metallization. Surface properties of PS were investigated by field emission scanning electron microscopy (FE-SEM) and it was found that the PS surface was covered by alkali metals for short immersion times. The PL intensity increased for critical immersion times and PL spectrum shifted to high energy region with the metallization. The experimental results suggest a possibility that the metallization provides a relatively easy way to achieve an increase in the PL intensity and oxidation of the PS surface. (C) 2009 Elsevier B.V. All rights reserved.
dc.identifier.doi10.1016/j.apsusc.2009.09.020
dc.identifier.eissn1873-5584
dc.identifier.issn0169-4332
dc.identifier.urihttps://hdl.handle.net/11424/243503
dc.identifier.wosWOS:000272345400053
dc.language.isoeng
dc.publisherELSEVIER SCIENCE BV
dc.relation.ispartofAPPLIED SURFACE SCIENCE
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectPorous silicon
dc.subjectImmersion plating
dc.subjectElectrochemical etching
dc.subjectSpectral response
dc.subjectLONG-TIME STABILIZATION
dc.subjectENHANCEMENT
dc.subjectIRRADIATION
dc.subjectSURFACE
dc.subjectCOPPER
dc.subjectDIODE
dc.subjectLAYER
dc.subjectIRON
dc.subjectAG
dc.titleInfluence of alkali metallization (Li, Na and K) on photoluminescence properties of porous silicon
dc.typearticle
dspace.entity.typePublication
local.avesis.id1eb719e6-b10e-4ec4-a570-eaa4ee644755
local.import.packageSS16
local.indexed.atWOS
local.indexed.atSCOPUS
local.journal.numberofpages5
oaire.citation.endPage1552
oaire.citation.issue5
oaire.citation.startPage1548
oaire.citation.titleAPPLIED SURFACE SCIENCE
oaire.citation.volume256
relation.isAuthorOfPublicationd99fd053-3197-4952-a179-27dfb16cbe0d
relation.isAuthorOfPublication.latestForDiscoveryd99fd053-3197-4952-a179-27dfb16cbe0d

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