Influence of graphene oxide surface treatment by diazonium salts on thermoelectrical behavior of polypyrrole-based composites

Younes BOURENANE CHERIF; Nawel Matmat; Zakaria Bekkar Djelloul Sayah; Ahmed Mekki; Jean-Félix Durastanti; Zineb Mekhalif

doi:10.1007/s10854-022-08410-7

Influence of graphene oxide surface treatment by diazonium salts on thermoelectrical behavior of polypyrrole-based composites

Younes BOURENANE CHERIF, Nawel Matmat, Zakaria Bekkar Djelloul Sayah, Ahmed Mekki, Jean-Félix Durastanti, Zineb Mekhalif

Research output: Contribution to journal › Article › peer-review

Abstract

In this study, we investigate the influence of crude and surface-treated graphite by diazonium salt on the thermoelectric (TE) properties of six different mixtures of polypyrrole (PPy)-based ternary composites, which also contain poly(3,4-ethylenedioxythiophene) (PEDOT) or PEDOT:PSS and are prepared either by direct mixing procedure or copolymerization route according to an optimized formulation (Polymer I-Charges-Polymer II). The surface treatment, by 4-carboxybenzenediazonium tetrafluoroborate (DS-COOH), of reduced graphene oxide (FrGO) has been found to significantly improve TE properties of composites, wherein the higher obtained value of figure of merit (zT) has been greatened by a magnitude of 240 times comparatively to PPy alone. Moreover, composites obtained by the direct mixing process of component has exhibited more than twice the value of zT than that of composites obtained by the copolymerization method. Hence, surface treatment of FrGO by diazonium salt refines its seeked role in improving TE properties of polymeric composites and makes it a promising element when incorporated within organic composites to reach higher TE features.

Original language	English
Pages (from-to)	14938-14950
Number of pages	13
Journal	Journal of Materials Science: Materials in Electronics
Volume	33
Issue number	18
DOIs	https://doi.org/10.1007/s10854-022-08410-7
Publication status	Published - 9 Jun 2022

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10.1007/s10854-022-08410-7Licence: CC BY

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title = "Influence of graphene oxide surface treatment by diazonium salts on thermoelectrical behavior of polypyrrole-based composites",

abstract = "In this study, we investigate the influence of crude and surface-treated graphite by diazonium salt on the thermoelectric (TE) properties of six different mixtures of polypyrrole (PPy)-based ternary composites, which also contain poly(3,4-ethylenedioxythiophene) (PEDOT) or PEDOT:PSS and are prepared either by direct mixing procedure or copolymerization route according to an optimized formulation (Polymer I-Charges-Polymer II). The surface treatment, by 4-carboxybenzenediazonium tetrafluoroborate (DS-COOH), of reduced graphene oxide (FrGO) has been found to significantly improve TE properties of composites, wherein the higher obtained value of figure of merit (zT) has been greatened by a magnitude of 240 times comparatively to PPy alone. Moreover, composites obtained by the direct mixing process of component has exhibited more than twice the value of zT than that of composites obtained by the copolymerization method. Hence, surface treatment of FrGO by diazonium salt refines its seeked role in improving TE properties of polymeric composites and makes it a promising element when incorporated within organic composites to reach higher TE features.",

keywords = "Polypyrrole composites, (3,4-ethylenedioxythiophene) (PEDOT), diazonium salts functionalization, functionalized graphene oxide (FrGO)",

author = "{BOURENANE CHERIF}, Younes and Nawel Matmat and {Bekkar Djelloul Sayah}, Zakaria and Ahmed Mekki and Jean-F{\'e}lix Durastanti and Zineb Mekhalif",

note = "Funding Information: Younes Bourenane Cherif is very indebted to Ecole Militaire Polytechnique in Algeria and Universit{\'e} de Namur in Belgium for providing him Ph.D. partner scholarship. Publisher Copyright: {\textcopyright} 2022, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.",

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Influence of graphene oxide surface treatment by diazonium salts on thermoelectrical behavior of polypyrrole-based composites. / BOURENANE CHERIF, Younes; Matmat, Nawel; Bekkar Djelloul Sayah, Zakaria et al.
In: Journal of Materials Science: Materials in Electronics, Vol. 33, No. 18, 09.06.2022, p. 14938-14950.

Research output: Contribution to journal › Article › peer-review

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T1 - Influence of graphene oxide surface treatment by diazonium salts on thermoelectrical behavior of polypyrrole-based composites

AU - BOURENANE CHERIF, Younes

AU - Matmat, Nawel

AU - Bekkar Djelloul Sayah, Zakaria

AU - Mekki, Ahmed

AU - Durastanti, Jean-Félix

AU - Mekhalif, Zineb

N1 - Funding Information: Younes Bourenane Cherif is very indebted to Ecole Militaire Polytechnique in Algeria and Université de Namur in Belgium for providing him Ph.D. partner scholarship. Publisher Copyright: © 2022, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.

PY - 2022/6/9

Y1 - 2022/6/9

N2 - In this study, we investigate the influence of crude and surface-treated graphite by diazonium salt on the thermoelectric (TE) properties of six different mixtures of polypyrrole (PPy)-based ternary composites, which also contain poly(3,4-ethylenedioxythiophene) (PEDOT) or PEDOT:PSS and are prepared either by direct mixing procedure or copolymerization route according to an optimized formulation (Polymer I-Charges-Polymer II). The surface treatment, by 4-carboxybenzenediazonium tetrafluoroborate (DS-COOH), of reduced graphene oxide (FrGO) has been found to significantly improve TE properties of composites, wherein the higher obtained value of figure of merit (zT) has been greatened by a magnitude of 240 times comparatively to PPy alone. Moreover, composites obtained by the direct mixing process of component has exhibited more than twice the value of zT than that of composites obtained by the copolymerization method. Hence, surface treatment of FrGO by diazonium salt refines its seeked role in improving TE properties of polymeric composites and makes it a promising element when incorporated within organic composites to reach higher TE features.

AB - In this study, we investigate the influence of crude and surface-treated graphite by diazonium salt on the thermoelectric (TE) properties of six different mixtures of polypyrrole (PPy)-based ternary composites, which also contain poly(3,4-ethylenedioxythiophene) (PEDOT) or PEDOT:PSS and are prepared either by direct mixing procedure or copolymerization route according to an optimized formulation (Polymer I-Charges-Polymer II). The surface treatment, by 4-carboxybenzenediazonium tetrafluoroborate (DS-COOH), of reduced graphene oxide (FrGO) has been found to significantly improve TE properties of composites, wherein the higher obtained value of figure of merit (zT) has been greatened by a magnitude of 240 times comparatively to PPy alone. Moreover, composites obtained by the direct mixing process of component has exhibited more than twice the value of zT than that of composites obtained by the copolymerization method. Hence, surface treatment of FrGO by diazonium salt refines its seeked role in improving TE properties of polymeric composites and makes it a promising element when incorporated within organic composites to reach higher TE features.

KW - Polypyrrole composites, (3,4-ethylenedioxythiophene) (PEDOT), diazonium salts functionalization, functionalized graphene oxide (FrGO)

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DO - 10.1007/s10854-022-08410-7

M3 - Article

SN - 0957-4522

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JO - Journal of Materials Science: Materials in Electronics

JF - Journal of Materials Science: Materials in Electronics

IS - 18

ER -

Influence of graphene oxide surface treatment by diazonium salts on thermoelectrical behavior of polypyrrole-based composites

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