Transparent nanocellulose metamaterial enables ...

Here, we study this possibility for a metamaterial composite paper based on cellulose nanofibrils (CNF) and silicon diox Recent Open Access Articles 2020 ... Jumptomaincontent Jumptositesearch Issue34,2020 PreviousArticle NextArticle Fromthejournal: JournalofMaterialsChemistryC Transparentnanocellulosemetamaterialenablescontrolledopticaldiffusionandradiativecooling† Sampath Gamage,ab   EvanS.H. Kang, ‡a   Christina Åkerlind,c   Samim Sardar, §a   Jesper Edberg, d   Hans Kariis,c   Thomas Ederth, e   Magnus Berggrenab  and  MagnusP. Jonsson *ab   Authoraffiliations * Correspondingauthors a LaboratoryofOrganicElectronics,DepartmentofScienceandTechnology,LinköpingUniversity,SE-60174Norrköping,Sweden E-mail: [email protected] b WallenbergWoodScienceCenter,LinköpingUniversity,SE-60174Norrköping,Sweden c FOI-SwedishDefenceResearchAgency,58330Linköping,Sweden d RISEAcreo,DepartmentofPrintedElectronics,Box787,SE-60117,Norrköping,Sweden e DivisionofBiophysicsandBioengineering,IFM,LinköpingUniversity,58183Linköping,Sweden Abstract Materialsthatprovideindependentcontrolofinfraredthermalradiationandhazeinthevisiblecouldbenefitmanyareasandapplications,includingclothing,packagingandphotovoltaics.Here,westudythispossibilityforametamaterialcompositepaperbasedoncellulosenanofibrils(CNF)andsilicondioxide(SiO2)microparticleswithinfrared(IR)Fröhlichphononresonances.ThisCNF–SiO2compositeshowsoutstandingtransparencyinthevisiblewavelengthrange,withtheoptionofcontrollinglightdiffusionandhazefromalmostzeroto90%byvaryingtheSiO2microparticleconcentration.WefurthershowthatthetransparentmetamaterialpapercouldmaintainhighthermalemissivityintheatmosphericIRwindow,asattributedtostrongIRabsorptionofboththenanocelluloseandtheresonantSiO2microparticles.ThehighIRemissivityandlowvisibleabsorptionmakethepapersuitableforpassiveradiativecoolingandwedemonstratecoolingofthepapertoaround3°Cbelowambientairtemperaturebyexposingittothesky. Thisarticleispartofthethemedcollections: RecentOpenAccessArticlesand2020JournalofMaterialsChemistryCmostpopulararticles ThisarticleisOpenAccess Pleasewaitwhileweloadyourcontent... Somethingwentwrong.Tryagain? About Citedby Related DownloadoptionsPleasewait... Supplementaryfiles Supplementaryinformation PDF(880K) Articleinformation DOI https://doi.org/10.1039/D0TC01226B Articletype Paper Submitted 09Mar2020 Accepted 18Jun2020 Firstpublished 22Jun2020 ThisarticleisOpenAccess DownloadCitation J.Mater.Chem.C,2020,8,11687-11694 BibTex EndNote MEDLINE ProCite ReferenceManager RefWorks RIS Permissions Requestpermissions Transparentnanocellulosemetamaterialenablescontrolledopticaldiffusionandradiativecooling S.Gamage,E.S.H.Kang,C.Åkerlind,S.Sardar,J.Edberg,H.Kariis,T.Ederth,M.BerggrenandM.P.Jonsson, J.Mater.Chem.C,2020, 8,11687 DOI:10.1039/D0TC01226B Thisarticleislicensedundera CreativeCommonsAttribution-NonCommercial3.0UnportedLicence.Youcanusematerialfrom thisarticleinotherpublications,withoutrequestingfurtherpermissionfromtheRSC, providedthatthecorrectacknowledgementisgivenanditisnotusedforcommercialpurposes. Torequestpermissiontoreproducematerialfromthisarticleinacommercialpublication, pleasegototheCopyrightClearanceCenterrequestpage. IfyouareanauthorcontributingtoanRSCpublication,youdonotneedtorequestpermission providedcorrectacknowledgementisgiven. Ifyouaretheauthorofthisarticle,youdonotneedtorequestpermissiontoreproducefigures anddiagramsprovidedcorrectacknowledgementisgiven.Ifyouwanttoreproducethewhole articleinathird-partycommercialpublication(excludingyourthesis/dissertationforwhich permissionisnotrequired)pleasegototheCopyright ClearanceCenterrequestpage. ReadmoreabouthowtocorrectlyacknowledgeRSCcontent. Socialactivity Tweet Share Searcharticlesbyauthor SampathGamage EvanS.H.Kang ChristinaÅkerlind SamimSardar JesperEdberg HansKariis ThomasEderth MagnusBerggren MagnusP.Jonsson FetchingdatafromCrossRef. Thismaytakesometimetoload. Loadingrelatedcontent Spotlight Advertisements Publishing Journals CurrentJournals ArchiveJournals AllJournals Books NewTitles All Bookshop PickandChoose Databases LiteratureUpdates ChemSpider TheMerckIndex* MarinLit More ForMembers ForLibrarians Subscribe RSSFeeds Blogs ChemistryWorld EducationinChemistry OpenAccess HistoricalCollection