Abstract
A significant enhancement in the thermoelectric performance was observed for three-dimensional conducting aerogels, which were obtained from poly(3,4-ethylenedioxythiophene): poly(4-styrenesulfonic) (PEDOT:PSS) and multiwalled carbon nanotubes (MWCNTs) suspensions by adding different concentrations of metallic silver (Ag). It was found that the electrical conductivity and Seebeck coefficient could be simultaneously increased with the unique structure. Moreover, the conducting aerogels have an ultralow thermal conductivity (0.06 W m−1 K−1) and a large Brunauer-Emmett-Teller surface area (228 m2 g−1). The highest figure of merit (zT) value in this study was 7.56×10−3 at room temperature upon the addition of 33.32 wt.% Ag. Although the zT value was too low, our work may provide new insights into the design and development of the thermoelectric material for applications. Further investigation with PEDOT:PSS aerogels will be continued to get an economical, lightweight, and efficient polymer thermoelectric material.
摘要
本文以导电高分子PEDOT:PSS、多壁碳纳米管(MWCNTs)、银纳米片(Ag)为原料制备了导电复合气凝胶. 研究发现, 该材料具有特 殊的3D网络结构, 并且该结构的存在有利于复合材料电导率和Seebeck系数同时提高, 而热导率保持较低水平. 室温下复合材料热导率低至 0.06 Wm−1 k−1, 比表面积高达228 m2 g−1. 当Ag含量为33.32%时, 该气凝胶热电材料室温下zT值最高为7.56×10−3. 虽然该zT值仍较低, 尚不能 用于实际生产, 但本研究为热电材料的设计和开发利用提供了新的设计方法. 下一步工作将立足于PEDOT:PSS气凝胶制备经济、轻质、高 效的聚合物热电材料.
Similar content being viewed by others
References
Zhao LD, Lo SH, Zhang Y, et al. Ultralowthermal conductivity and high thermoelectric figure of merit in SnSe crystals. Nature, 2014, 508: 373–377
Sparks TD, Gurlo A, Clarke DR. Enhanced n-type thermopower in distortion-free LiMn2O4. J Mater Chem, 2012, 22: 4631–4636
Zhang JS, Yang JY, Feng SL, et al. Preparation and thermoelectric properties of p-type Bi0.52Sb1.48Te3 + 3% Te thin films. Chin Sci Bull, 2012, 57: 4220–4224
Wei Q, Mukaida M, Kirihara K, et al. Recent progress on PEDOTbased thermoelectric materials. Materials, 2015, 8: 732–750
Toshima N, Ichikawa S. Conducting polymers and their hybrids as organic thermoelectric materials. J ElecMateri, 2015, 44: 384–390
Sun K, Zhang S, Li P, et al. Review on application of PEDOTs and PEDOT:PSS in energy conversion and storage devices. J Mater Sci-Mater Electron, 2015, 26: 4438–4462
Park H, Lee SH, Kim FS, et al. Enhanced thermoelectric properties of PEDOT:PSS nanofilms by a chemical dedoping process. J Mater Chem A, 2014, 2: 6532–6539
Du Y, Shen SZ, Cai K, et al. Research progress on polymer-inorganic thermoelectric nanocomposite materials. Prog Polymer Sci, 2012, 37: 820–841
Zhou Y, Wang L, Zhang H, et al. Enhanced high thermal conductivity and low permittivity of polyimide based composites by core-shell Ag@SiO2 nanoparticle fillers. Appl Phys Lett, 2012, 101: 012903
Han Z, Fina A. Thermal conductivity of carbon nanotubes and their polymer nanocomposites: a review. Prog Polymer Sci, 2011, 36: 914–944
Dubey N, Leclerc M. Conducting polymers: efficient thermoelectric materials. J Polym Sci B Polym Phys, 2011, 49: 467–475
Islam R, Chan-Yu-King R, Brun JF, et al. Transport and thermoelectric properties of polyaniline/reduced graphene oxide nanocomposites. Nanotechnology, 2014, 25: 475705
Zuzok R, Kaiser AB, Pukacki W, et al. Thermoelectric power and conductivity of iodine-doped “new” polyacetylene. J Chem Phys, 1991, 95: 1270–1275
Wang L, Jia X, Wang D, et al. Preparation and thermoelectric properties of polythiophene/multiwalled carbon nanotube composites. Synth Met, 2013, 181: 79–85
Wang J, Cai K, Shen S, et al. Preparation and thermoelectric properties of multi-walled carbon nanotubes/polypyrrole composites. Synth Met, 2014, 195: 132–136
Chen HY, Shen HP, Wu CH, et al. Core-shell composite latexes derived from PEDOT:PSS dispersion and the preparation of conductive, flexible and transparent films. J Mater Chem C, 2013, 1: 5351–5358
Han S, Feng Y, Chen G, et al. Facile preparation of composites composed of high performance thermoplastic and difficult-to-process functional polymer. RSC Adv, 2014, 4: 31874–31878
Park T, Park C, Kim B, et al. Flexible PEDOT electrodes with large thermoelectric power factors to generate electricity by the touch of fingertips. Energ Environ Sci, 2013, 6: 788–792
Mengistie DA, Chen CH, Boopathi KM, et al. Enhanced thermoelectric performance of PEDOT:PSS flexible bulky papers by treatment with secondary dopants. ACS Appl Mater Interfaces, 2015, 7: 94–100
Kim GH, Shao L, Zhang K, et al. Engineered doping of organic semiconductors for enhanced thermoelectric efficiency. Nat Mater, 2013, 12: 719–723
Ju H, Kim J. Chemically exfoliated SnSe nanosheets and their SnSe/poly(3, 4-ethylenedioxythiophene): poly(styrenesulfonate) composite films for polymer based thermoelectric applications. ACS Nano, 2016, 10: 5730–5739
Du Y, Shen SZ, Yang WD, et al. Preparation and characterization of multiwalled carbon nanotube/poly(3-hexylthiophene) thermoelectric composite materials. Synth Met, 2012, 162: 375–380
Zhao L, Zhao J, Sun X, et al. Enhanced thermoelectric properties of hybridized conducting aerogels based on carbon nanotubes and pyrolyzed resorcinol-formaldehyde resin. Synth Met, 2015, 205: 64–69
Zhang Z, Chen G, Wang H, et al. Template-directed in situ polymerization preparation of nanocomposites of PEDOT:PSS-coated multi-walled carbon nanotubes with enhanced thermoelectric property. Chem Asian J, 2015, 10: 149–153
Zhang M, Yuan W, Yao B, et al. Solution-processed PEDOT: PSS/graphene composites as the electrocatalyst for oxygen reduction reaction. ACSApplMater Interfaces, 2014, 6: 3587–3593
Kong FF, Liu CC, Xu JK, et al. Simultaneous enhancement of electrical conductivity and Seebeck coefficient of poly(3, 4-ethylenedioxythiophene): poly(styrenesulfonate) films treated with urea. Chin Phys Lett, 2011, 28: 037201
Culebras M, Gómez CM, Cantarero A. Enhanced thermoelectric performance of PEDOT with different counter-ions optimized by chemical reduction. J Mater Chem A, 2014, 2: 10109–10115
Toshima N, Jiravanichanun N. Improvement of thermoelectric properties of PEDOT/PSS films by addition of gold nanoparticles: enhancement of Seebeck coefficient. J Elec Materi, 2013, 42: 1882–1887
Kim D, Kim Y, Choi K, et al. Improved thermoelectric behavior of nanotube-filled polymer composites with poly(3, 4-ethylenedioxythiophene): poly(styrenesulfonate). ACS Nano, 2010, 4: 513–523
Jiang FX, Xu JK, Lu BY, et al. Thermoelectric performance of poly(3, 4-ethylenedioxythiophene): poly(styrenesulfonate). Chin Phys Lett, 2008, 25: 2202–2205
Qian Y, Ismail IM, Stein A. Ultralight, high-surface-area, multifunctional graphene-based aerogels from self-assembly of graphene oxide and resol. Carbon, 2014, 68: 221–231
Zhao L, Sun X, Lei Z, et al. Thermoelectric behavior of aerogels based on graphene and multi-walled carbon nanotube nanocomposites. Composites Part B-Eng, 2015, 83: 317–322
Lázár I, Bereczki HF, Manó S, et al. Synthesis and study of new functionalized silica aerogel poly(methylmethacrylate) composites for biomedical use. Polym Compos, 2015, 36: 348–358
Roussel F, King RCY, Kuriakose M, et al. Electrical and thermal transport properties of polyaniline/silver composites and their use as thermoelectric materials. Synth Met, 2015, 199: 196–204
Chang KC, Jeng MS, Yang CC, et al. The thermoelectric performance of poly(3, 4-ethylenedi oxythiophene)/poly(4-styrenesulfonate) thin films. J Elec Materi, 2009, 38: 1182–1188
Lei Z, Yan Y, Feng J, et al. Enhanced power factor within graphene hybridized carbon aerogels. RSC Adv, 2015, 5: 25650–25656
Gutiérrez MC, Rubio F, del Monte F. Resorcinol-formaldehyde polycondensation in deep eutectic solvents for the preparation of carbons and carbon-carbon nanotube composites. Chem Mater, 2010, 22: 2711–2719
Kim JY, Jung JH, Lee DE, et al. Enhancement of electrical conductivity of poly(3, 4-ethylenedioxythiophene)/poly(4-styrenesulfonate) by a change of solvents. Synth Met, 2002, 126: 311–316
He M, Ge J, Lin Z, et al. Thermopower enhancement in conducting polymer nanocomposites via carrier energy scattering at the organic-inorganic semiconductor interface. Energ Environ Sci, 2012, 5: 8351–8358
Ko DK, Kang Y, Murray CB. Enhanced thermopower via carrier energy filtering in solution-processable Pt-Sb2Te3 nanocomposites. Nano Lett, 2011, 11: 2841–2844
Martin J, Wang L, Chen L, et al. Enhanced Seebeck coefficient through energy-barrier scattering in PbTe nanocomposites. Phys Rev B, 2009, 79: 115311
Kim P, Shi L, Majumdar A, et al. Thermal transport measurements of individual multiwalled nanotubes. Phys Rev Lett, 2001, 87: 215502
Chang WB, Fang H, Liu J, et al. Electrochemical effects in thermoelectric polymers. ACS Macro Lett, 2016, 5: 455–459
Liu J, Wang X, Li D, et al. Thermal conductivity and elastic constants of PEDOT:PSS with high electrical conductivity. Macromolecules, 2015, 48: 585–591
Song H, Liu C, Zhu H, et al. Improved thermoelectric performance of free-standing PEDOT:PSS/Bi2Te3 films with low thermal conductivity. J Elec Materi, 2013, 42: 1268–1274
Hrubesh LW, Pekala RW. Thermal properties of organic and inorganic aerogels. J Mater Res, 1994, 9: 731–738
Lee OJ, Lee KH, Jin Yim T, et al. Determination of mesopore size of aerogels fromthermal conductivitymeasurements. J Non-Crystalline Solids, 2002, 298: 287–292
Acknowledgments
This work was supported by the National Natural Science Foundation of China (51303116).
Author information
Authors and Affiliations
Corresponding authors
Additional information
Xijng Sun is a master student of the College of Chemistry and Materials Science, Sichuan Normal University. She joined Prof. Lijuan Zhao’s group in 2014 and her current research interests include the preparation and properties of thermoelectric materials.
Lijuan Zhao is a professor of chemistry at the College of Chemistry and Materials Science, Sichuan Normal University. She received his PhD degree in materials science from Sichuan University in 2009, followed by a period of postdoctoral research at Xinjiang Blue Ridge Tunhe Chemical Industry Joint Stock Co, Ltd. Her research interests include the structure performance study of functional materials; synthesis, characterization, and self-assembly of nanomaterials.
Quan Li is a professor of chemistry at the College of Chemistry and Materials Science, Sichuan Normal University. He received his PhD degree in atomic and molecular physics from Sichuan University in 2001. His research interests include the preparation and application study of materials.
Rights and permissions
About this article
Cite this article
Sun, X., Wei, Y., Li, J. et al. Ultralight conducting PEDOT:PSS/carbon nanotube aerogels doped with silver for thermoelectric materials. Sci. China Mater. 60, 159–166 (2017). https://doi.org/10.1007/s40843-016-5132-8
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s40843-016-5132-8