Effect of Substrate Temperature on Optical Characteristics of Silver Island Films for Harvesting Solar Energy

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摘要 Duetotheirparticularopticalcharacteristics,metallicislandfilmshavethepotentialtosignificantlyincreasetheenergyconversionefficiencyofsolarcell.Weexperimentallyandtheoreticallyinvestigatedtheeffectofsubstratetemperatureonthemorphologiesandopticalpropertiesofthesilverislandfilms.Atlowtemperature,below300℃,asthesubstratetemperatureincreases.Comparedtothefilmspreparedatroomtemperature,thesizesofnanoparticlesdecreaseandtheAbsorptionpeaksshifttoshorterwavelengthaccompaniedbyanincreasedensityresultingina150%Absorptionefficiency.Asthesubstratetemperaturegoesupto300℃,nanoparticleswithlargerin-plan(X-Y)dimensionsareformed,thenumberdensitydecreasesandtheAbsorptionpeaksredshiftbuttheAbsorptionefficiencyisstill10%higher.Numericalsimulationrevealsthatthesebehaviorsareaconsequenceofmorphologiestransformation.
机构地区 不详
出版日期 2009年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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