| Optical Constants of Palladium Phthalocyanine Derivative Thin Films |
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| 作者姓名： | 吴谊群 陈耐生 |
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| 作者单位： | [1]ShanghaiInstituteofPticsandFineMechanics,ChineseAcademyofSciences,POBox800－211,Shanghai201800；LaboratoryofFunctionalMaterials,HeilongjiangUniversity,Haerbin150080 [2]DepartmentofCh,ChineseAcademyofSciences,POBox800－211,Shanghai201800；LaboratoryofFunctionalMaterials,HeilongjiangUniversity,Haerbin150080 |
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| 摘 要： | Ellipsometric parameters of a series of spin-coated thin films of palladium phthalocyanine derivatives with broine and tetraalkoxyl substitutes(PdPc(OC8H17)4Brm,m=0,2,3,4)are determined from a rotating analyserpolarizer type of scanning ellipsometer.The optical,dielectric constants and absorption coefficients of the films in the 500-800nm wavelength region are reported.The results show that refractive index N(N=n-k),dielectric constant ε（ε=ε1-ε2)and absorption coefficient α in the region 500-800nm are influenced by bromine atom substituted on the conjugated phthalocyanine ring regularly.It is found that there is approximately a linear relationship between the resonance absorption wavelengths of the films and the number of bromine atoms substituted on the phthalocyanine ring.
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| 关 键 词： | 薄膜 钯酞菁衍结构 光学常数 |
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