Nano-composite thermochromic thin films and their application in Energy-efficient glazing

Manfredi Saeli, Ivan P. Parkin, Ian Ridley, Clara Piccirillo, Russell Binions

Risultato della ricerca: Article

84 Citazioni (Scopus)

Abstract

A hybridatmosphericpressureandaerosol-assistedchemicalvapourdepositionstrategyispresentedasa facileroutefortheproductionofvanadiumdioxidenano-compositethinfilms.Theeffectoftheinclusionofgoldnanoparticlesandtheuseofasurfactantmolecule,tetraoctylammoniumbromide,isdiscussed.Thefilmswerefullycharacterisedusingawidevarietyoftechniques,includingscanningelectronmicroscopy,X-raydiffraction,X-rayphotoelectronspectroscopyandUV/vis/NIRspectroscopy.It isshownthatmicro-structuralchangesbroughtaboutbycarefulcontroloffilmgrowthconditions,and/ortheuseofsurfactant,leadtoanenhancementofthermochromicproperties.Goldnanoparticleincorporationleadstoasignificantchangeinthecolourofthefilmsfromayellow-browncolourtoavarietyofgreensandbluesdependingonthegoldnanoparticleconcentration.Thefilmsbecomemorereflectiveintheinfra-redwithincreasedgoldnanoparticleincorporation.Opticaldataareusedinenergy modellingstudiestoelucidatethefilmpotentialasanenergy-savingcoatinginarchitecturalglazing.Theenergymodellingresultssuggestthatforwarmerclimatesthethermochromicnano-compositesinvestigatedhereleadtosignificantenergysavingswhencomparedwithplainglassandother standardindustryproducts.
Lingua originaleEnglish
pagine (da-a)141-151
Numero di pagine11
RivistaSolar Energy Materials and Solar Cells
Volume94
Stato di pubblicazionePublished - 2009

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All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films

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