Thermoelectric Enhancement of Polyaniline Grafting from Graphene Oxide

Thermoelectric Enhancement of Polyaniline Grafting from Graphene Oxide
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氧化石墨烯接枝聚苯胺的热电增强

DOI:
10.4028/www.scientific.net/msf.847.153
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发表时间:
2016-03
期刊:
Materials Science Forum
影响因子:
--
通讯作者:
Chen Yu
Chen Yu
中科院分区:
其他
文献类型:
--
作者:
Wang Xiaoyang;Miao Lei;Liu Chengyan;Gao Jie;Chen Yu

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本研究通过酰胺反应合成了PANI共价接枝GO(GO-PANI),并通过原位聚合法制备了PANI包覆的GO(GO/PANI)。在相同条件下,与GO/PANI相比,GO-PANI具有更好的热电性能,即GO与PANI的质量比相同,聚合反应的氧化度也较高。此外,用水合肼还原上述GO-PANI制备了由还原石墨烯[R(GO-PANI)]接枝的聚苯胺,并在341K下获得了高达3.6×10-8Wm-1K-2的功率因子。
In this study, a PANI covalently grafted GO (GO-PANI) was obtained through amide reaction and a PANI covered GO (GO/PANI) was prepared via in-situ polymerization. The better thermoelectric properties were achieved in GO-PANI compared with GO/PANI under the same situation, i.e., the equal mass ratio of GO and PANI as well as the oxidative degree of polymerization reaction. Furthermore, polyaniline grafted from the reduced graphene [R(GO-PANI)] was prepared by reducing the above GO-PANI using hydrazine hydrate and the improved power factor as high as 3.6 × 10-8 W m-1 K-2 was attained at 341 K.
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