4-31 Annealing Behavior of Ag Nanoparticles in Silica with and without Defects-中国期刊网

摘要 TheannealingbehaviorofAgnanoparticlesinsilicawithandwithoutdefectswasinvestigatedinthisstudy.SilicasampleswithandwithoutArionpre-irradiationwereimplantedwithAgionsandthenannealedattemperaturefrom300to850℃.UV-VISspectroscopyandTEMwereusedtocharacterizetheopticalabsorbancepropertyandsizedistributionofAgnanoparticles,respectively.OpticalabsorbanceresultsshowthattheabsorbanceintensityofSPR(SurfacePlasmonResonance,SPR)peakfromAgnanoparticlesinthesamplewithpre-irradiationisstrongerthaninthesamplewithoutpre-irradiation,whichindicatesthatthedefectsproducedbypre-irradiationpromptthenucleationofAgnanoparticles.Duringannealing,theSPRpeakshiftstoshortwavelengthdirection,asshowninFig.1.

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4-31 Annealing Behavior of Ag Nanoparticles in Silica with and without Defects

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4-31 Annealing Behavior of Ag Nanoparticles in Silica with and without Defects

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