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Polyaniline doped with copper phthalocyanine disulfonic acid and their unique thermoelectric performance
Polymer ( IF 4.1 ) Pub Date : 2022-10-13 , DOI: 10.1016/j.polymer.2022.125337
Rui Zhang , Songlan Zhang , Qinjian Yin , Bo Jiang , Yihan Wang , Kai Du , Qiang Yin

To investigate the influence of CuPc-(SO3H)2 doping methods on the thermoelectric properties of polyaniline (PANi), in this work, HPANi (in situ polymerization of aniline doped by HCl), HPANi/Cu (HPANi directly mixed with CuPc-(SO3H)2), CuPANi (in situ polymerization of aniline doped by CuPc-(SO3H)2) and CuHPANi (in situ polymerization of aniline co-doped by HCl and CuPc-(SO3H)2) were synthesized. CuPc-(SO3H)2 impedes carrier transport of HPANi/Cu, CuPANi and CuHPANi, however, their Seebeck coefficients are surprisingly enhanced. The Seebeck coefficients of HPANi/Cu (54.36 μ V K−1) and CuHPANi (20.97 μ V K−1) are more than 5.2 times and twice that of HPANi (10.40 μ V K−1), respectively. Interestingly, the Seebeck coefficient of CuPANi is 30.92 μ V K−1 at 300 K, while it becomes negative above 333 K and reaches −392.80 μ V K−1 at 363 K. The structural characteristics were discussed to further reveal the thermoelectric performance differences among all the samples.



中文翻译:

铜酞菁二磺酸掺杂聚苯胺及其独特的热电性能

为了研究CuPc-(SO 3 H) 2掺杂方式对聚苯胺(PANi)热电性能的影响,本工作采用HPANi( HCl掺杂苯胺的原位聚合)、HPANi/Cu(HPANi直接与CuPc混合) -(SO 3 H) 2 )、CuPANi( CuPc-(SO 3 H) 2掺杂苯胺的原位聚合)和CuHPANi( HCl和CuPc-(SO 3 H) 2共掺杂苯胺的原位聚合)被合成了。CuPc-(SO 3 H) 2阻碍 HPANi/Cu、CuPANi 和 CuHPANi 的载流子传输,然而,它们的塞贝克系数却出人意料地增强。HPANi/Cu(54.36 μ VK -1)和CuHPANi(20.97 μ VK -1 )的塞贝克系数分别是HPANi(10.40 μ VK -1 )的5.2倍以上和两倍。有趣的是,CuPANi 的塞贝克系数在 300 K 时为 30.92 μ VK -1,而在 333 K 以上变为负值,在 363 K 时达到 -392.80 μ VK -1。讨论了结构特征以进一步揭示所有材料之间的热电性能差异样品。

更新日期:2022-10-15
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