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Preparation of Organic Semiconductor PTCDA and Studies on Its Crystal Structure and the Absorption Spectrum
作者单位:ZHANG Fujia,SHAO Jiafeng,ZHANG Dejiang (Lanzhou University,Lanzhou 730000,CHN) LIU Fengmin,GAN Runjin (Beijing Mechanical Industry Institute,Beijing 100083,CHN)
摘    要:PreparationofOrganicSemiconductorPTCDAandStudiesonItsCrystalStructureandtheAbsorptionSpectrum①②ZHANGFujia,SHAOJiafeng,ZHANGDe...


Preparation of Organic Semiconductor PTCDA and Studies on Its Crystal Structure and the Absorption Spectrum
Authors:ZHANG Fujia  SHAO Jiafeng  ZHANG Dejiang
Abstract:Organic semiconductoe 3,4,9,10-perylenetetracarboxylic dianhydride (PTCDA) has been synthetized with 1,8-naphthalic anhydride using chemical method.X-ray diffraction spectrum shows that it is monoclinic.Visible absorption spectrum shows that its gap band is 2.2 eV with singlet exciton bandwidth of 0.9 eV.
Keywords:Organic semiconductor PTCDA  Visible Absorption Spectrum  X-ray diffraction Spectrum
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