Templated growth of polyaniline on exfoliated graphene nanoplatelets (GNP) and its thermoelectric properties
作者： Jinglei Xiang , Lawrence T. Drzal
DOI: 10.1016/J.POLYMER.2012.07.029
关键词: Composite material 、 Chemical engineering 、 Thermoelectric effect 、 Protonation 、 Polyaniline 、 Seebeck coefficient 、 Thermoelectric materials 、 Aniline 、 Materials science 、 Nanocomposite 、 In situ polymerization
摘要: Abstract Polyaniline (PANi)/exfoliated graphene nanoplatelets (GNP) nanocomposites were prepared by in situ polymerization of aniline monomer the presence GNP for thermoelectric applications. PANi has a strong affinity due to π electron interactions, forming uniform nanofibril coating. A paper-like nanocomposite was controlled vacuum filtration an aqueous dispersion decorated GNP. The Seebeck coefficient resulting changes with initial concentration solution as well protonation PANi, reaching high 33 μV/K containing approximately 40 wt% and ratio 0.2. improved electrical conductivity 59 S/cm. As result, figure merit ZT is 2 orders magnitude higher than either constituents, exhibiting significant synergistic effect.
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