Please use this identifier to cite or link to this item: http://dspace.iitrpr.ac.in:8080/xmlui/handle/123456789/4398
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dc.contributor.authorKM, A.K-
dc.contributor.authorSony, S.-
dc.contributor.authorDhingra, S.-
dc.contributor.authorGupta, M.-
dc.date.accessioned2024-05-02T15:23:53Z-
dc.date.available2024-05-02T15:23:53Z-
dc.date.issued2024-05-02-
dc.identifier.urihttp://dspace.iitrpr.ac.in:8080/xmlui/handle/123456789/4398-
dc.description.abstractolar−thermalfuels(STFs)basedon photoresponsivemolecules,whichcanharvestandstoresolarenergyby theconfigurationalchangeof moleculesandcan releaseit in the formof heaton demand,havebeeninvestigatedrecently.So far,azobenzenehas beenthe mostwidelystudiedmoleculefor theseapplications.However,untilnow,onlysolidand liquidderivativesofazobenzenehavebeenexploredwhichsufferfromseverallimitations.Here,we are reportingfor the firsttimevisible-lightresponsiveSTFsbasedon liquidcrystals(LCs).We havepreparedaseriesof compoundsbasedon azobenzeneandcholesterolwithvaryingspacerandortho-substitutionon azobenzene.All of thesederivativesexhibitenantiotropicchiralnematic(N*)mesophases.Moreover,theyshowedexcellentphotostability,photocyclability,and longhalf-lifetimesofcis-states.We havefurtherevaluatedthe thinfilmsof thesecompoundsfor charging,i.e.,transtocisconversionundersolarirradiationusingvariousbandpassfilters,andalsostudiedthe kineticsof the conversion.Thesecompoundsexhibiteda maximumchargingof up to 70%for the derivativewithortho-fluoroazobenzene.Thechargedthinfilmswerefurtherevaluatedfor theirheatreleasepropertiesby infrared(IR)thermalimaging.Themaximumheatreleaseobservedwasaround5.4°C fromthe surroundingtemperaturewhichwassignificantlyhigheras comparedto similarlysubstitutedazobenzene-basedderivativewithouta LC phaseen_US
dc.language.isoen_USen_US
dc.titleVisible-LightResponsiveAzobenzeneandCholesterolBased Liquid Crystalsas EfficientSolid-StateSolar−ThermalFuelsen_US
dc.typeArticleen_US
Appears in Collections:Year-2023

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