简介：ThehybridsensitizerrhodamineBandcoumarinoreosinandcoumarinisusedtosensitizenanocrystallineporousfilms.Absorptionofthenanocrystallinephotovoltaiccell(NPC)isimprovedinvisiblelight.TheperformanceofthesecellsismoreeffectivethanthatofcellssensitizedonlybysensitizerrhodamineBoreosin.Inthesimulativesolarlight,cellsensitizedbyhybridsensitizerrhodamineBandcoumarincangetopencircuitvoltage(VOC)of550mVandshortcircuitcurrent(ISC)of0.1375mA/cm2.

简介：Duringthemassformationofaggregatesofmoleculesinagelatinfilmdyedwiththemixtureofchrysophe-nineandacridineyellowdyes,photo-reorientation,photo-disorientation,andphoto-orientationofthemoleculesareobserved.Basedontheseobservations,thephoto-inductionofgranularanisotropymayberealized.

简介：Tris-(8-hydroxyquinoline)-aluminumeAlq3T–basedorganiclight-emittingdiodeswithCoelectrodearefabricated.Thepositivemagneticelectroluminescence(MEL)andmagneticconductance(MC)areobservedinthesamples,reaching4.35%and1.67%underthefieldof42mTat50K,respectively,andtheMELandMCtracescanbefittedtonon-Lorentzianlineshapes.TheMELvariesasafunctionoftheCothicknessandreachestheoptimalvalueat10nm.TheMELandMCdependenceonvoltageandtemperatureisalsoinvestigated.Theelectron-holepairmodelandthespin-polarizedinjectionmechanismareusedtounderstandtheexperimentalresults.

简介：Wefabricatewhitephosphorescentorganiclight-emittingdiodes(PHOLEDs)withthreedopantsanddoubleemissivelayer(EML)toachievecolorstability.ThewhitePHOLEDsuseFIrpicdopantforblueEML(BEML),andIr(ppy)3:Ir(piq)3dopantsforgreen:redEML(GR-EML)withN,N′-dicarbazolyl-3,5-benzene(mCP)ashostmaterial.ThicknessesofB-EMLandGR-EMLareadjustedtoformanarrowrecombinationzoneattwoEML’sinterfaceandchargetrappinghappensinEMLaccordingtowidehighestoccupiedmolecularorbitaland/orlowestunoccupiedmolecularorbitalenergybandgapofmCPandsmallerenergybandgapofdopants.ThetotalthicknessofbothEMLsisfixedat30nminthedevicestructureofITO(150nm)/MoO3(2nm)/N,N′-diphenyl-N,N′-bis(l-naphthyl-phenyl)-(l,l′-biphenyl)-4,4′-diamine(70nm)/mCP:Firpic-8.0%(12nm)/mCP:Ir(ppy)3-3.0%:Ir(piq)3-1.5%(18nm)/2′,2′,2′′-(1,3,5-benzinetriyl)-tris(1-phenyl-1-H-benzimidazole)(30nm)/8-hydroxyquinolinolato-lithium(2nm)/Al(120nm).WhitePHOLEDshows18.25cd/Aofluminousefficiencyandwhitecolorcoordinatesof(0.358and0.378)at5000cd/m2andcolorstabilitywithslightCIEXYchangeof(0.028and0.002)asincreasingluminancefrom1000to5000cd/m2.