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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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聚(3,4-乙撑二氧噻吩)/木质素磺酸导电复合物的结构与性能
DOI: 10.11777/j.issn1000-3304.2015.14363, PP. 589-595
Keywords: 导电复合物,聚(3,4-乙撑二氧噻吩),木质素磺酸
Abstract:
3,4-乙撑二氧噻吩(EDOT)以木质素磺酸(LS)作载体,通过化学氧化法聚合形成了聚(3,4-乙撑二氧噻吩)/木质素磺酸(PEDOT/LS)导电复合物.该导电复合物的结构与性能分别采用紫外可见分光光度计、红外光谱仪、zeta电位及粒度分析仪、原子力显微镜、X-射线光电子能谱仪、X-射线衍射仪、四探针测试仪、电泳仪,以及表面电阻仪来表征.结果表明,EDOT能在LS水溶液中氧化聚合,得到水分散性PEDOT/LS导电颗粒.该颗粒是一种聚电解质复合物,等量电荷配比的PEDOT/LS位于内核而富余的亲水性LS包在外层.LS与PEDOT两者之间存在较强的作用力,无法通过电泳分开.X-射线衍射仪结果表明该复合物是无定型的.当LS与EDOT单体质量比从0.71升高至3.01时,复合物的粒径从673nm降低至348nm,涂膜表面变得均匀,同时表面电阻从1.9kΩ/sq上升至87.2kΩ/sq.用PEDOT/LS配置得到的抗静电剂,可以使玻璃片表面电阻从1012Ω/sq减小至107Ω/sq.
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