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 Wysłany: Wto 9:36, 05 Kwi 2011 Temat postu: π-Conjugated Organic Semiconductors for Field-Eff |
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π-Conjugated Organic Semiconductors for Field-Effect Transistors
mentforsolubilizingsubstituents. ThesemoleculesbearessentiallylesshydrogenatomsinthemolecularperipheryandthereforeareexpectedtointeractefficientlythroughintermolecularS-Scontacts. Therefore. thelinearly. condensedthiopheneswouldgivethemostex-tended7cconjugationandthehighestplanarity. OnthebasisOftheringsystem, PTAwouldbeexpectedtohayeasuitableHOMOenergyandsolidstatestructureforuseasaP-channelTsemiconductor. Moreover, thesusceptibilityoftheC-HbondsattheendsofPTApresentsanavenueforendsubstitution, sothattheSOlubility, morphology, andadhesioncouldbebetterdefined. SuchaPTAsemiconductorhaSthegeneralattributesofnotabsorbinginthevisibleregionofthespectrum (1argerbandgaps) andpossessingreasonablestabilityagainstoxidativedopingbyatmosphericoxygen. However, probablybecauseofthelackofconvenientsyntheticroutes, devicesutilizingthesefused-ringcompoundshavenotbeenstudied · Acknowledgement: TheauthorsgratefullyacknowledgefinancialsupportsfromtheNationalNaturalScienceF_OundationofChina (NNSFC), theMajorStateBasicResearchDevelopmentProgramandtheChineseAcademyofSciences. References: [1] SunYanming, LiuYunqi, ZhuDaoben. JMaterChem, 2005,15:53. [2] Huw muscle ping, NakashimaHiroshi, FurukawaKazuaki, eta1. JAmChemSoc, 2005,127 (9): 2804, [3] XiaoKai, LiuYunqi, GuoY, eta1. AppliedPhysicsA, 2005,80:1541. [4] SunYanming, XiaoKai, LiuYunqi, eta1. AdvFunctMater, 2005,15 (5): 818. [5] XuHal, YuGui, XuWei, eta1. Langmuir,[link widoczny dla zalogowanych], 2005,21 (12): 5391. [6] Xia0Kai, LiuYunqi, HuPing'an, eta1. JAmChemSoc, 2005,127 (24): 8614. [7] SuWei, JiangJianzhuang, XiaoKai, eta1. Langmuir, 2005,21 (14): 6527.
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