Facile fabrication of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)-coated selenium nanowire/carbon nanotube composite films for flexible thermoelectric applications,Dalton Transactions

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Facile fabrication of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)-coated selenium nanowire/carbon nanotube composite films for flexible thermoelectric applications
Dalton Transactions ( IF 3.5 ) Pub Date : 2021-08-21 , DOI: 10.1039/d1dt02297k
Dabin Park ₁ , Minsu Kim ₁ , Jooheon Kim _{1,

2,

3}

Affiliation

In this study, we synthesized a flexible thermoelectric composite film consisting of poly(3,4-ethylenedioxythiopene)-poly(4-styrenesulfonate)-coated selenium nanowires (PEDOT:PSS-coated Se NWs) and multi-walled carbon nanotubes (MWCNTs) via simple solution mixing. PEDOT:PSS-coated Se NWs were synthesized by coating PEDOT:PSS-on the surface of Se during the process of synthesizing Se NWs. Then, flexible PEDOT:PSS-coated Se/MWCNT composite films were synthesized by filtration. To verify the thermoelectric (TE) potential, the TE properties of the composite film with various MWCNT contents were investigated to determine the optimal conditions for improved TE performance. The maximum power factor of the composite film was ∼73.94 μW (m K²)⁻¹, which is much higher than that of Se and PEDOT:PSS. This study suggests an approach to fabricate flexible inorganic/organic hybrid films with high TE performance.

中文翻译：

用于柔性热电应用的聚（3,4-亚乙基二氧噻吩）：聚（苯乙烯磺酸盐）涂覆的硒纳米线/碳纳米管复合薄膜的简便制造

在这项研究中，我们合成了一种由聚（3,4-乙撑二氧噻吩）-聚（4-苯乙烯磺酸盐）包覆的硒纳米线（PEDOT：PSS包覆的硒纳米线）和多壁碳纳米管（MWCNTs）组成的柔性热电复合膜。通过简单的溶液混合。PEDOT:PSS 包覆的硒纳米线是通过在合成硒纳米线的过程中将 PEDOT:PSS-包覆在硒表面上来合成的。然后，通过过滤合成柔性 PEDOT:PSS 包覆的 Se/MWCNT 复合薄膜。为了验证热电 (TE) 潜力，研究了具有不同 MWCNT 含量的复合膜的热电性能，以确定改善热电性能的最佳条件。复合膜的最大功率因数为~73.94 μW (m K ² ) ^-1，远高于 Se 和 PEDOT:PSS。这项研究提出了一种制造具有高 TE 性能的柔性无机/有机杂化薄膜的方法。

更新日期：2021-09-07

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