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Improved Thermoelectric Power Factor in Completely Organic Nanocomposite Enabled by l-Ascorbic Acid AITranslate

Chungyeon Cho; Shuang Qin; Kyungwho Choi; Jaime C. Grunlan;
Texas A&M University; Texas A&M University;Korea Railroad Research Institute; Texas A&M University
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Publisher: ACS
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Abstract AITranslate

High power factor organic thermoelectric nanocomposites are assembled by alternately depositing polyaniline (PANi) and double walled-carbon nanotubes (DWNT), stabilized by graphene oxide (GO) in water, using the layer-by-layer assembly technique. A 40 bilayer (BL) thin film, comprised of a PANi/DWNT–GO repeating sequence, exhibits an electrical conductivity of 197 S/cm and Seebeck coefficient of 83 μV/K. The reduction of this system with l-ascorbic acid simultaneously increases the electrical conductivity (to 950 S/cm) and Seebeck coefficient (to 115 μV/K), yielding a power factor of 1260 μW/m·K2. This relatively simple treatment creates more opportunity for practical use of organic thermoelectrics.

KeyWords AITranslate

thermoelectric nanocomposites layerbylayer assembly power factor graphene oxide carbon nanotubes
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Basic Information:

DOI：https://doi.org/10.1021/acsapm.9b00375

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Citation Information:

High power factor organic thermoelectric nanocomposites are assembled by alternately depositing polyaniline (PANi) and double walled-carbon nanotubes (DWNT), stabilized by graphene oxide (GO) in water, using the layer-by-layer assembly technique. A 40 bilayer (BL) thin film, comprised of a PANi/DWNT–GO repeating sequence, exhibits an electrical conductivity of 197 S/cm and Seebeck coefficient of 83 μV/K. The reduction of this system with l-ascorbic acid simultaneously increases the electrical conductivity (to 950 S/cm) and Seebeck coefficient (to 115 μV/K), yielding a power factor of 1260 μW/m·K2. This relatively simple treatment creates more opportunity for practical use of organic thermoelectrics.

quote

GB/T 7714-2015 [1] Chungyeon Cho, Shuang Qin, Kyungwho Choi, et al. ACS Applied Polymer Materials, 2019(1). DOI:10.1021/acsapm.9b00375.
MLA [1] Chungyeon Cho, et al., ACS Applied Polymer Materials, no. 1, 2019, https://doi.org/10.1021/acsapm.9b00375.
APA [1] Chungyeon Cho, Shuang Qin, Kyungwho Choi, & Jaime C. Grunlan. (2019). ACS Applied Polymer Materials(1). https://doi.org/10.1021/acsapm.9b00375
IEEE [1] Chungyeon Cho, Shuang Qin, Kyungwho Choi, and Jaime C. Grunlan, ACS Applied Polymer Materials, no. 1, 2019, doi: 10.1021/acsapm.9b00375. keywords: {thermoelectric nanocomposites;layerbylayer assembly;power factor;graphene oxide;carbon nanotubes}