Flexible and Transparent Organic–Inorganic Hybrid Thermoelectric Modules,ACS Applied Materials & Interfaces

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Flexible and Transparent Organic–Inorganic Hybrid Thermoelectric Modules
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2018-07-16 00:00:00 , DOI: 10.1021/acsami.8b08696
Xinyun Dong ₁ , Sixing Xiong ₁ , Bangwu Luo ₁ , Ru Ge ₁ , Zaifang Li ₁ , Jing Li ₁ , Yinhua Zhou ₁

Affiliation

Light-weight, mechanically flexible, transparent thermoelectric modules are promising as portable and easy-to-integrate energy sources. Here, we demonstrate flexible, transparent thermoelectric modules by using a conducting polymer poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) as the p-type leg and indium tin oxide (ITO)-PEDOT:PSS as the n-type leg. Main observations include the following: (1) the bilayer combination of ITO-PEDOT:PSS (PEDOT:PSS coated on top of the ITO) displays a negative Seebeck coefficient (S) and the value is similar to that of the ITO single layer; (2) the S value of the ITO-PEDOT:PSS is almost not dependent on the area ratio of the stacked PEDOT:PSS and ITO; and (3) the conducting polymer PEDOT:PSS deposition on top of ITO helps the ITO not to generate cracks during bending, which enhances the mechanical flexibility of the ITO. On the basis of these observations, thermoelectric modules with eight pairs of junctions are fabricated and the thermoelectric modules’ ΔV/ΔT (modules’ generated thermovoltage per temperature difference) is nearly the addition of S values of all legs. Thermoelectric modules show good mechanical flexibility and air stability. Applications of thermoelectric modules have also been demonstrated to produce thermovoltage via the temperature difference produced by a human hand or warm water.

中文翻译：

灵活透明的有机-无机混合热电模块

轻巧，机械灵活，透明的热电模块有望成为便携式且易于集成的能源。在这里，我们通过使用导电聚合物聚（3,4-乙撑二氧噻吩）：聚（苯乙烯磺酸盐）（PEDOT：PSS）作为p型支腿和氧化铟锡（ITO）-PEDOT：PSS作为导电聚合物展示了灵活，透明的热电模块。 N型腿。主要观察到以下内容：（1）ITO-PEDOT：PSS的双层组合（涂在ITO顶部的PEDOT：PSS）表现出负的塞贝克系数（S），其值与ITO单层的相似。（2）SITO-PEDOT：PSS的值几乎不取决于堆叠的PEDOT：PSS和ITO的面积比；（3）ITO顶部的导电聚合物PEDOT：PSS沉积有助于ITO在弯曲过程中不产生裂纹，从而提高了ITO的机械柔韧性。基于这些观察，制造了具有八对结的热电模块，并且热电模块的ΔV / ΔT（每个温度差所产生的模块热电压）几乎等于所有支路的S值之和。热电模块显示出良好的机械柔韧性和空气稳定性。还已经证明了热电模块的应用可以通过人手或温水产生的温差产生热电压。

更新日期：2018-07-16

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