期刊
JOURNAL OF MATERIOMICS
卷 8, 期 6, 页码 1213-1217出版社
ELSEVIER
DOI: 10.1016/j.jmat.2022.05.005
关键词
Carbon nanotube film; Composites; Thermoelectric performance; Flexibility
资金
- Program for Professor of Special Appointment at Shanghai Institutions of Higher Learning
- Shanghai Innovation Action Plan Project
- [TP2020068]
- [17090503600]
Carbon nanotube film (CNTF) with two-dimensional CNT network structure was used to prepare CNTF/PEDOT:PSS thermoelectric composites. A vacuum-assisted filtration method was employed to achieve uniform penetration of the polymer into CNTF, resulting in improved electrical conductivity and power factor.
Carbon nanotube film (CNTF) with two-dimensional CNT network structure is adopted to prepare CNTF/ poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) thermoelectric composites, which overcomes the disadvantages of low content, easy aggregation, and random orientation of CNTs when dispersed in polymer. A vacuum-assisted filtration method was proposed, which can uniformly and sufficiently penetrate the polymer into CNTF along thickness direction for fabrication of CNTF/PEDOT:PSS composites. A highest electrical conductivity of 806.2 S/cm at 300 K was achieved for the composites with 60 wt% PEDOT:PSS loading, which was 51.0% higher than that of the original CNTF (534.1 S/cm). A maximum power factor of 339.6 mu W center dot m-1 center dot K-2 at 320 K was achieved with a corresponding Seebeck coefficient of 67.7 mu V/K. This study provides a universal method for fabrication of other kinds of CNTF/ conductive polymer thermoelectric composites. (c) 2022 The Chinese Ceramic Society. Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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