Co-sputtering of A Thin Film Broadband Absorber Based on Self-Organized Plasmonic Cu Nanoparticles

dc.contributorAalto-yliopistofi
dc.contributorAalto Universityen
dc.contributor.authorDrewes, Jonasen_US
dc.contributor.authorPerdana, Nandaen_US
dc.contributor.authorRogall, Kevinen_US
dc.contributor.authorHartig, Torgeen_US
dc.contributor.authorElis, Marieen_US
dc.contributor.authorSchürmann, Ulrichen_US
dc.contributor.authorPohl, Felixen_US
dc.contributor.authorAbdelaziz, Moheben_US
dc.contributor.authorStrunskus, Thomasen_US
dc.contributor.authorKienle, Lorenzen_US
dc.contributor.authorElbahri, Madyen_US
dc.contributor.authorFaupel, Franzen_US
dc.contributor.authorRockstuhl, Carstenen_US
dc.contributor.authorVahl, Alexanderen_US
dc.contributor.departmentDepartment of Chemistry and Materials Scienceen
dc.contributor.groupauthorNanochemistry and Nanoengineeringen
dc.contributor.organizationKiel Universityen_US
dc.contributor.organizationKarlsruhe Institute of Technologyen_US
dc.date.accessioned2024-04-24T10:00:36Z
dc.date.available2024-04-24T10:00:36Z
dc.date.issued2024-02en_US
dc.descriptionFunding Information: This work had been funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) – project number 413974664, i.e., projects RO 3640/12‐1 and FA 234/32‐1 as well as by DFG‐Grant KI 1263/21‐1. Publisher Copyright: © 2023 The Authors. Particle & Particle Systems Characterization published by Wiley-VCH GmbH.
dc.description.abstractThe efficient conversion of solar energy to heat is a prime challenge for solar thermal absorbers, and various material classes and device concepts are discussed. One exciting class of solar thermal absorbers are plasmonic broadband absorbers that rely on light absorption thanks to plasmonic resonances sustained in metallic nanoparticles. This work focuses on Cu/Al2O3 plasmonic absorbers, which consist of a thin film stack of a metallic Cu-mirror, a dielectric Al2O3 spacer, and an Al2O3/Cu-nanoparticle nanocomposite. This work explores two preparation routes for the Al2O3/Cu-nanoparticle nanocomposite, which rely on the self-organization of Cu nanoparticles from sputtered atoms, either in the gas phase (i.e., via gas aggregation source) or on the thin film surface (i.e., via simultaneous co-sputtering). While in either case, Cu-Al2O3-Al2O3/Cu absorbers with a low reflectivity over a broad wavelength regime are obtained, the simultaneous co-sputtering approach enabled better control over the film roughness and showed excellent agreement with dedicated simulations of the optical properties of the plasmonic absorber using a multi-scale modeling approach. Upon variation of the thickness and filling factor of the Al2O3/Cu nanocomposite layer, the optical properties of the plasmonic absorbers are tailored, reaching an integrated reflectance down to 0.17 (from 250 to 1600 nm).en
dc.description.versionPeer revieweden
dc.format.extent10
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationDrewes, J, Perdana, N, Rogall, K, Hartig, T, Elis, M, Schürmann, U, Pohl, F, Abdelaziz, M, Strunskus, T, Kienle, L, Elbahri, M, Faupel, F, Rockstuhl, C & Vahl, A 2024, ' Co-sputtering of A Thin Film Broadband Absorber Based on Self-Organized Plasmonic Cu Nanoparticles ', PARTICLE AND PARTICLE SYSTEMS CHARACTERIZATION, vol. 41, no. 2, 2300102 . https://doi.org/10.1002/ppsc.202300102en
dc.identifier.doi10.1002/ppsc.202300102en_US
dc.identifier.issn0934-0866
dc.identifier.otherPURE UUID: 2c4a885b-b019-40a9-be38-7fbf6a0f7094en_US
dc.identifier.otherPURE ITEMURL: https://research.aalto.fi/en/publications/2c4a885b-b019-40a9-be38-7fbf6a0f7094en_US
dc.identifier.otherPURE LINK: http://www.scopus.com/inward/record.url?scp=85170532829&partnerID=8YFLogxKen_US
dc.identifier.otherPURE FILEURL: https://research.aalto.fi/files/144393480/CHEM_Drewes_et_al_Co_sputtering_of_A_Thin_2024_Part_Part_Syst_Charact.pdfen_US
dc.identifier.urihttps://aaltodoc.aalto.fi/handle/123456789/127577
dc.identifier.urnURN:NBN:fi:aalto-202404243202
dc.language.isoenen
dc.publisherWiley-VCH Verlag
dc.relation.ispartofseriesPARTICLE AND PARTICLE SYSTEMS CHARACTERIZATION
dc.relation.ispartofseriesVolume 41, issue 2
dc.rightsopenAccessen
dc.subject.keywordblack absorberen_US
dc.subject.keywordgas aggregation sourceen_US
dc.subject.keywordmagnetron sputteringen_US
dc.subject.keywordplasmonic particlesen_US
dc.subject.keywordRF sputteringen_US
dc.titleCo-sputtering of A Thin Film Broadband Absorber Based on Self-Organized Plasmonic Cu Nanoparticlesen
dc.typeA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessäfi
dc.type.versionpublishedVersion

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