《半導體工程專業英語》課件-2.5 Organic Semiconductors

微專業---半導體制造技術課程：半導體工程專業英語ContentsSemiconductorProperties半導體特性01SemiconductorMaterials半導體材料02SemiconductorDeviceandHowTheyareUsed半導體器件及其使用03ProcessTechnology工藝技術04FabricationProcesses制造工藝05SemiconductorMaterialsandProcessCharacterization半導體材料與工藝表征06SemiconductorMaterials2.1CrystalStructureofSolids2.2ElementsofSemiconductorMaterialSystem2.3InorganicSemiconductors2.4MaterialsSelectionCriteria2.5OrganicSemiconductors2.6BulkSingle-CrystalFormation2.7Thin-FilmSingleCrystalFormation2.8Substrates2.9Thin-FilmInsulators2.10Thin-FilmConductors021Introduction

Organicmaterialsareingeneralweekconductorsofelectricity.Someof

them,however,uponinjectionofchargecarriers(electronsorholes),orafter

beingproperlychemicallyengineered,takeoncharacteristicsofsemiconductorsbyallowingcontrolofchargedistributionusingexternalelectricfieldand

displayingabilitytoemitanddetectlight.Asaresult,thisclassoforganic

compoundsisbeingappropriatelyreferredtoasorganicsemiconductors./i?m?t/發射2

SemiconductorMaterials

2.5CrystalStructureofSolids/?spe???li/空間化學處理2

Thefollowingfactorsdistinguishorganic,or“plastic”,semiconductors

fromtheirinorganiccounterparts:(i)organicsemiconductorsmaintaintheir

fundamentalphysicalpropertiesevenifdrasticallybent,andthus,arecompatiblewithflexiblesubstrates,(ii)organicsemiconductorsareusedonly

asthethin-film,non-crystallinematerials,(iii)organicsemiconductorsare

transparenttovisiblelight,and(iv)organicsemiconductorsarelow-costmaterialswhichcanbeprocessedintofunctionaldevicesusingrelativelysimple

manufacturingtechnology.Thesecharacteristicsopenuppossibilityofformationoffunctionalsemi-transparentsemiconductordevicesandcircuitson

theflexiblesubstrates./??nd?r?la???/根本的2

SemiconductorMaterials

2.5CrystalStructureofSolids/?spe??l/空間的/?s?bstre?t/襯底/d??st??kt/不同的/tr?ns?p?r?nt/透明的Text/?semitr?ns?p?r?nt/半透明的/f??r?me??(?)n/形成3(a)Smallmoleculeorganicsemiconductorand(b)polymer

organicsemiconductors.2

SemiconductorMaterials

2.5CrystalStructureofSol