Preparation and characterization of poly(3-octylthiophene)/carbon fiber thermoelectric composite materials |
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| Affiliation: | 1. Shenzhen Key Laboratory of Special Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, PR China;2. Institute of Molecular Functional Materials, Department of Chemistry and Institute of Advanced Materials, Hong Kong Baptist University, Waterloo Road, Kowloon Tong, Hong Kong, PR China;3. College of Life and Environmental Sciences & Beijing Engineering Research Center of Food Environment and Public Health, Minzu University of China, Beijing 100081, PR China;1. Department of Engineering Sciences and Mathematics, Luleå University of Technology, 971 87 Luleå, Sweden;2. Department of Functional Nanosystems and High Temperature Materials, NUST MISiS, Moscow, Russian Federation;3. Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstrasse 10, 07743 Jena, Germany;4. Center for Energy and Environmental Chemistry Jena (CEEC Jena), Friedrich Schiller University Jena, Lessingstrasse 7a, 07743 Jena, Germany;5. NanoTech Institute, University of Texas at Dallas, Richardson, TX 75080, USA;6. National Research South Ural State University, Chelyabinsk, Russian Federation;7. Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany;1. Department of Industrial and Systems Engineering, Texas A&M University, College Station, TX 77843, United States;2. Department of Materials Science and Engineering, Texas A&M University, College Station, TX 77843, United States;3. Department of Chemical Engineering, Texas Tech University, Lubbock, TX 79409, United States;4. Department of Mechanical and Industrial Engineering, Texas A&M University-Kingsville, Kingsville, TX 78363, United States;5. Department of Industrial Engineering, Texas Tech University, Lubbock, TX 79409, United States;6. Department of Mechanical Engineering, Texas Tech University, Lubbock, TX 79409, United States;1. Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, PR China;2. Hubei Key Lab on Organic and Polymeric Optoelectronic Materials, Department of Chemistry, Wuhan University, Wuhan 430072, PR China;3. College of Chemistry and Chemical Engineering, Shenzhen University, Shenzhen 518060, PR China;1. Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China;2. Guangdong Research Center for Interfacial Engineering of Functional Materials, Shenzhen University, Shenzhen 518060, China;3. School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan 523808, China;1. Functional Materials Research Laboratory, School of Materials Science & Engineering, Tongji University, Shanghai 201804, China;2. CMSE, CSIRO, 37 Graham Road, Highett, VIC 3190, Australia;3. Shanghai Key Laboratory of Development and Application for Metal-Functional Materials, School of Materials Science & Engineering, Tongji University, Shanghai 201804, China |
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| Abstract: | Poly(3-alkylthiophene) (P3AT) with a high Seebeck coefficient has recently been reported. However, P3AT/inorganic conductive composites exhibit relatively poor thermoelectric performance because of their low electrical conductivity. In this work, carbon fiber sheets with a high electrical conductivity were chosen as the inorganic phase, and poly(3-octylthiophene)(P3OT)/carbon fiber composites were prepared by casting P3OT solution onto the carbon fiber sheets. The carbon fiber sheets incorporated into the composites can provide good electrical conductivity, and P3OT can provide a high Seebeck coefficient. The highest power factor of 7.05 μW m−1 K−2 was obtained for the composite with 50 wt% P3OT. This work suggests a promising method for preparing large-scale thermoelectric composites with excellent properties. |
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| Keywords: | A. Carbon fibre A. Polymer-matrix composites (PMCs) A. Thin films B. Electrical properties |
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