Chemical routes for synthesis of polypyrrole–based nanocomposites incorporating graphene platelets from natural Shungite

Autor: Rocco Carcione, Emanuela Tamburri, Mariglen Angjellari, Sara Politi, Laura Lazzarini, Maria Letizia Terranova
Rok vydání: 2019
Předmět:
Zdroj: 2nd International Conference on Advanced Energy Materials (AEM) / 2nd International Conference on Solar Energy Materials (SEM) / 4th International Conference on Hydrogen Energy, pp. 466–475, Univ Surrey, Guildford, UK, SEP 11-13, 2017
info:cnr-pdr/source/autori:Politi, Sara; Tamburri, Emanuela; Carcione, Rocco; Angjellari, Mariglen; Lazzarini, Laura; Terranova, Maria Letizia/congresso_nome:2nd International Conference on Advanced Energy Materials (AEM) %2F 2nd International Conference on Solar Energy Materials (SEM) %2F 4th International Conference on Hydrogen Energy/congresso_luogo:Univ Surrey, Guildford, UK/congresso_data:SEP 11-13, 2017/anno:2019/pagina_da:466/pagina_a:475/intervallo_pagine:466–475
ISSN: 2214-7853
Popis: Polypyrrole (PPy)-based nanocomposites are synthesized by a micro-emulsion oxidative chemical polymerization of pyrrole monomer. Graphene platelets (GP), extracted from Shungite mineral powders through innovative procedures, are used as nanoinclusions to enhance the interesting properties of the pure polymer. SEM and HR-TEM analyses evidence that diverse PPy nanostructures are obtained in the presence of different dopant surfactants: globular grains with sodium dodecyl sulfate (SDS) anionic surfactant, and tubular features with hexadecyltrimethylammonium bromide (CTAB) cationic surfactant. Raman spectroscopy reveals that the polymer chains are in a semi-oxidized state. Functional characterizations evidence that the PPy-based nanocomposites doped with SDS are characterized by improved charge transport properties. (C) 2019 Elsevier Ltd. All rights reserved. Selection and/or Peer-review under responsibility of AEM2017.
Databáze: OpenAIRE
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