Characterization and transport properties of intercalated polypyrrole-vanadium pentoxide xerogel nanocomposite

Sukanta De; Ashis Dey; S.K. De

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Characterization and transport properties of intercalated polypyrrole-vanadium pentoxide xerogel nanocomposite

机译：插层聚吡咯-五氧化二钒干凝胶纳米复合材料的表征与输运性质

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Layered vanadium pentoxide (V_2O_5) xerogel is used as host material for the synthesis of conducting polypyrrole intercalated nanocomposites. Powder X-ray diffraction spectra show the increase of interlayer space of V_2O_5 xerogel indicating the formation of polypyrrole in the interlayer space of the host. Thermal stability of intercalated polypyrrole is superior compared to bulk polypyrrole. Dc conductivity of the xerogel follows Arrhenius type temperature dependence while the nanocomposites exhibit Mott's three-dimensional variable range hopping. Optical band gap decreases with intercalation of polypyrrole.

机译：层状五氧化二钒（V_2O_5）干凝胶被用作主体材料，用于合成导电的聚吡咯插层纳米复合材料。粉末X射线衍射光谱显示V_2O_5干凝胶的层间空间增加，表明在主体的层间空间中形成了聚吡咯。插层聚吡咯的热稳定性优于本体聚吡咯。干凝胶的Dc电导率遵循Arrhenius型温度依赖性，而纳米复合材料表现出Mott的三维可变范围跳跃。光学带隙随着聚吡咯的插入而减小。

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来源
《Solid State Communications》 |2006年第12期|p.662-667|共6页
作者
Sukanta De; Ashis Dey; S.K. De;
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作者单位

Department of Materials Science, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032, West Bengal, India;

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原文格式 PDF
正文语种 eng
中图分类固体物理学;
关键词
A. Nanocomposites; D. Electrical and optical; D. Intercalation;

机译：A.纳米复合材料;D。电气和光学;D.插层;

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Characterization and transport properties of intercalated polypyrrole-vanadium pentoxide xerogel nanocomposite

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