Large area compatible broadband superabsorber surfaces in the VIS-NIR spectrum utilizing metal-insulator-metal stack and plasmonic nanoparticles

buir.contributor.authorOkyay, Ali Kemal
dc.citation.epage17653en_US
dc.citation.issueNumber16en_US
dc.citation.spage17644en_US
dc.citation.volumeNumber24en_US
dc.contributor.authorDereshgi, S. A.en_US
dc.contributor.authorOkyay, Ali Kemalen_US
dc.date.accessioned2018-04-12T10:56:14Z
dc.date.available2018-04-12T10:56:14Z
dc.date.issued2016en_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.departmentNanotechnology Research Center (NANOTAM)en_US
dc.description.abstractPlasmonically enhanced absorbing structures have been emerging as strong candidates for photovoltaic (PV) devices. We investigate metal-insulator-metal (MIM) structures that are suitable for tuning spectral absorption properties by modifying layer thicknesses. We have utilized gold and silver nanoparticles to form the top metal (M) region, obtained by dewetting process compatible with large area processes. For the middle (I) and bottom (M) layers, different dielectric materials and metals are investigated. Optimum MIM designs are discussed. We experimentally demonstrate less than 10 percent reflection for most of the visible (VIS) and near infrared (NIR) spectrum. In such stacks, computational analysis shows that the bottom metal is responsible for large portion of absorption with a peak of 80 percent at 1000 nm wavelength for chromium case.en_US
dc.identifier.doi10.1364/OE.24.017644en_US
dc.identifier.eissn1094-4087en_US
dc.identifier.urihttp://hdl.handle.net/11693/36875
dc.language.isoEnglishen_US
dc.publisherOSA - The Optical Societyen_US
dc.relation.isversionofhttp://dx.doi.org/10.1364/OE.24.017644en_US
dc.source.titleOptics Expressen_US
dc.subjectDielectric materialsen_US
dc.subjectInfrared devicesen_US
dc.subjectMetal insulator boundariesen_US
dc.subjectMetal nanoparticlesen_US
dc.subjectMetalsen_US
dc.subjectNanoparticlesen_US
dc.subjectSemiconductor insulator boundariesen_US
dc.subjectSilveren_US
dc.subjectAbsorbing structureen_US
dc.subjectComputational analysisen_US
dc.subjectGold and silver nanoparticlesen_US
dc.subjectMetal insulator metalsen_US
dc.subjectMetal-insulator-metal structuresen_US
dc.subjectNear infrared spectraen_US
dc.subjectPlasmonic nanoparticleen_US
dc.subjectSpectral absorptionsen_US
dc.subjectMIM devicesen_US
dc.titleLarge area compatible broadband superabsorber surfaces in the VIS-NIR spectrum utilizing metal-insulator-metal stack and plasmonic nanoparticlesen_US
dc.typeArticleen_US

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