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定向无机纳米线阵列制备及其在光电探测器上运

时间:2019-04-14 来源:原创 作者:locoy 点击:加载中..
  

  PatternedgrowthoforganicnanowirearraysandtheirapplicationinphotodetectordevicesAbstractdevices.Weintroducedatransparentandflexiblegratingsubstrate(asatemplate)intoaphysicalvapordeposition(PVD)growthprocessofCuPcNWsandachievedperfectlyalignedultralongNWswithrectangularcross-sectionsoveralargearea.TransparentandflexiblephotoconductivedevicesbasedonthealignedNWarrayscanbedirectlyconstructedonthegrating,whichexhibitafastresponsespeed,highstabilityandreproducibility.Theycanalsobereadilytransferredtoflexibleandtransparentpolydimethylsiloxane(PDMS)substratesandtheresultingphotodetectordevicesexhibitexcellentperformances.TheabilitytomakelargeareaultralongflexibleorganicNWarraysopensnewpossibilitiesforintegrateddeviceapplicationsoforganicnanostructures.Secondly,well-orderedSQNWshavebeenformedusingasimpleevaporationmethodandconfiguredasintegratedphotosensors.Byimplementingourrecentlydevelopedevaporationinducedselfassemblymethod,largescaleSQnanowirearrayscanorientedlygrowonpre-fabricatedelectrodeswithcontrolledinterspacingonthesubstrateandconfiguredasintegratedphotosensors.OwingtothepresenceofSchottkyjunction,SQnanowirearraybasedSchottkycontactdevicesexhibitedhighersensitivityandfasterresponsespeedthanthatofohmiccontactdevices.Moreinterestingly,nanowirearraysbaseddevicesalsodemonstratedremarkablyenhancedphotoresponsepropertiesthanthatofasinglenanowirebasedphotodetector.Wefurthermeasuredtheintegratedphotodetectorcircuitsatcircuitlevels,verysmallcircuit-to-circuitvariationindistributionofpixelphotosensitivitywasfound.Thehighyieldoftheoperationalpixelswithahighlevelofintegrationunambiguouslydemonstratesthepotentialofthisassemblystrategyforlarge-scalesensorandoptoelectronicdeviceintegration.Keywords:1-Dorganicnanostructures,pattern,photodetectordevices,integrationWrittenby:YupingZhangSupervisedby:XiujuanZhangIV目次第壹章伸论··································································································11.1壹维纳米构造拥有前言阵列的分松与组装··········································11.1.1

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