摘要
ThispaperstudiesthelightscatteringandadsorptionofnanocrystallineTiO2porousfilmsusedindye-sensitizedsolarcellscomposedofanataseand/orrutileparticlesbyusinganopticalfour-fluxradiativetransfermodel.Theselightpropertiesarediffculttomeasuredirectlyonthefunctioningsolarcellsandtheycannotbecalculatedeasilyfromthefirst-principlecomputationalorquantitativetheoreticalevaluations.Thesesimulationresultsindicatethatthelightscatteringof1-25nmTiO2particlesisnegligible,butitiseffectiveintherangeof80and180nm.Asuitablemixtureofsmallparticles(10nmradius),whichareresultedinalargeeffectivesurface,andoflargerparticles(150nmradius),whichareeffectivelightscatterers,havethepotentialtoenhancesolarabsorptionsignificantly.Therutilecrystalshavealargerrefractiveindexandthusthelightharvestofthemixturesofsuchlargerrutileandrelativelysmallanataseparticlesisimprovedincomparisonwiththatofpureanatasefilms.Thelightabsorptionofthe10μmdouble-layeredfilmsisalsoexamined.Amaximallightabsorptionofdouble-layeredfilmisgottenwhenthethicknessofthefirstlayerof10nm-sizedanataseparticlesiscomparabletothatofthesecondlargerrutilelayer.
出版日期
2008年10月20日（中国Betway体育网页登陆平台首次上网日期，不代表论文的发表时间）
