Issue 41, 2017, Issue in Progress
From the journal:

RSC Advances

Large-scalable RTCVD Graphene/PEDOT:PSS hybrid conductive film for application in transparent and flexible thermoelectric nanogenerators†

Chanil Park,‡a   Dohyuk Yoo,‡a   Soeun Im,a   Soyeon Kim,a   Wonseok Cho,a   Jaechul Ryub  and  Jung Hyun Kim ORCID logo *a  

* Corresponding authors

a Department of Chemical and Biomolecular Engineering, Yonsei University, Yeonsero 50, Seodaemun-gu, Seoul 120–749, Republic of Korea
E-mail: jayhkim@yonsei.ac.kr

b HAESUNG DS, Haesung 2nd Building 8F 508, Teheran-ro, Gangnam-gu, Seoul 135-725, Republic of Korea

Abstract

Poly(3,4-ethyldioxythiophene):poly(styrene sulfonate) (PEDOT:PSS), as an thermoelectric(TE) material, exhibits a high electrical conductivity and ZT value (10−1–100). Nevertheless, a low thermovoltage of the organic thermoelectric materials must be overcome, in comparison to that of semi metals. Recently, to address these challenges, several researchers have investigated PEDOT:PSS/carbon material composites. Herein, a transparent and flexible hybrid film made up of rapid thermal chemical vapor deposition (RTCVD) graphene and PEDOT:PSS results in enhanced TE performance. The PEDOT:PSS was synthesized by oxidative polymerization, and the hybrid process of the graphene film and PEDOT:PSS film was conducted using the layer-by-layer method. The results of AFM and Raman spectroscopy revealed that the synergistic effect through composite films improved the electrical properties. The maximum electrical conductivity and power factor of the RTCVD graphene/PEDOT:PSS (RCG/P) hybrid film were 1096 S cm−1 and 57.9 μW m−1 K−2, respectively. In addition, the RCG/P hybrid film exhibited excellent mechanical flexibility and stability.

Graphical abstract: Large-scalable RTCVD Graphene/PEDOT:PSS hybrid conductive film for application in transparent and flexible thermoelectric nanogenerators

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Article information

DOI
https://doi.org/10.1039/C7RA02980B
Article type
Paper
Submitted
12 Mar 2017
Accepted
12 Apr 2017
First published
10 May 2017
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2017,7, 25237-25243

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Large-scalable RTCVD Graphene/PEDOT:PSS hybrid conductive film for application in transparent and flexible thermoelectric nanogenerators

C. Park, D. Yoo, S. Im, S. Kim, W. Cho, J. Ryu and J. H. Kim, RSC Adv., 2017, 7, 25237 DOI: 10.1039/C7RA02980B

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