| 引用本文: | 李蛟,刘俊成,高从堦,孙海滨.山梨醇掺杂对PEDOT∶PSS薄膜结构与性能的影响[J].材料科学与工艺,2010,18(5):685-689,694.DOI:10.11951/j.issn.1005-0299.20100520. |
| LI Jiao,LIU Jun-cheng,GAO Cong-jie,SUN Hai-bin.Influence of sorbitol doping on the structure and properties of PEDOT:PSS films[J].Materials Science and Technology,2010,18(5):685-689,694.DOI:10.11951/j.issn.1005-0299.20100520. |
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| 摘要: |
| 为改善聚乙撑二氧噻吩:聚(对苯乙烯磺酸)根阴离子(PEDOT:PSS)薄膜的光学及电学性能,采用共混-旋涂法在石英玻片上制备出山梨醇掺杂的PEDOT:PSS透明导电膜.利用X射线衍射仪(XRD),傅立叶变换拉曼光谱(FT-RM),原子力显微镜(AFM),场发射扫描电子显微镜(FE-SEM),紫外-可见吸收光谱(UV-Vis)及四点探针法对薄膜的微结构与性能进行了研究.XRD结果显示山梨醇的掺杂未改变薄膜的聚集态结构;FT-RM表明PEDOT的主要特征峰发生红移,主链结构发生苯-醌转变,分子间作用力增大,导致薄膜表面粗糙度增大,横截面出现索状条纹;薄膜透光率在600～900nm略有升高,导电性能有较大提高,最佳掺杂浓度下,薄膜电导率可达到105S/cm. |
| 关键词: 山梨醇 掺杂 薄膜 微结构 性能 |
| DOI：10.11951/j.issn.1005-0299.20100520 |
| 分类号:TB383.2 |
| 基金项目:教育部新世纪优秀人才支持计划资助项目(NCET-04-0648) |
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| Influence of sorbitol doping on the structure and properties of PEDOT:PSS films |
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LI Jiao1,2, LIU Jun-cheng1, GAO Cong-jie2,3, SUN Hai-bin1
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1.School of Materials Science and Engineering,Shandong University of Technology,Zibo 255049,China;2.College of Chemistry and Chemical Engineering,Ocean University of China,Qingdao 266003,China;3.Development Centre of Water Treatment Technology,SOA,Hangzhou 310012,China
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| Abstract: |
| In order to improve the optical and electrical properties of poly(3,4-ethylenedioxythiophene) /poly(4-styrenesulfonate)(PEDOT/PSS) film,the PEDOT:PSS doped with sorbital transparent conducting thin films were fabricated on quartz substrates by blending-spin coating method.The microstructure and properties of these films were studied by X-ray diffraction(XRD),Fourier transform Roman spectroscopy(FTRM),atomic force microscopy(AFM),filed-emission scanning electron microscope(FE-SEM),UV-visible absorption spectroscopy and four-point probe method.The XRD shows that the amorphous state of sorbitoldoped films does not change,the FT-RM indicates that the main characteristic absorption peak of PEDOT shifts to red,which results from the resonant structure of PEDOT chain changing from a’benzoid’to a’quinoid’structure.Moreover,this chain change also enhances the inter-molecule interaction.Therefore,the surface courseness of the doped films increases a little,and a lot of drapes appear on the cross section of the composite films.Optical transmittance is enhanced slightly on the UV-visible absorption spectra from 600 to 900 nm between the undoped-and doped-films.The conductivity of the doped-films is greatly enhanced and can reach 105 S/cm with the optimal doping concentration. |
| Key words: sorbitol doped thin films microstructure property |
