Conducting and magnetic hybrid polyaniline/nickel composites

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F22%3A43924136" target="_blank" >RIV/60461373:22310/22:43924136 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/60461373:22810/22:43924136 RIV/70883521:28610/22:63560138 RIV/00216208:11320/22:10454487

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S037967792200159X?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S037967792200159X?via%3Dihub</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.synthmet.2022.117165" target="_blank" >10.1016/j.synthmet.2022.117165</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Conducting and magnetic hybrid polyaniline/nickel composites

Popis výsledku v původním jazyce

Hybrid organic/inorganic polyaniline/nickel composites were prepared by the in-situ oxidation of aniline hydrochloride with ammonium peroxydisulfate in the presence of various portions of nickel microparticles. Electron microscopies demonstrated the coating of nickel with polyaniline. FTIR and Raman spectroscopies indicated the reduced degree of polyaniline protonation. As a consequence, the composites containing 7.2–58.8 wt% of nickel had the conductivity of the order of 10−3–10−2 S cm−1, i.e. several order of magnitude lower than the conductivity of polyaniline or nickel. The conductivity as a function of applied pressure is also reported. Relatively low conductivity of composites is explained by the partial reduction of polyaniline with hydrogen gas evolved during the synthesis and consequent hydrogenation of polyaniline catalysed by nickel. The accompanying partial dissolution of nickel manifests itself by the reduced composite yield. The reason why hydrogen is generated mainly after the synthesis of polyaniline is discussed. The magnetic properties afforded by nickel are also reported. The composites dispersed in thermoplastic polyurethane matrix providing mechanical properties have been tested for electromagnetic interference shielding. © 2022 Elsevier B.V.

Název v anglickém jazyce

Conducting and magnetic hybrid polyaniline/nickel composites

Popis výsledku anglicky

Hybrid organic/inorganic polyaniline/nickel composites were prepared by the in-situ oxidation of aniline hydrochloride with ammonium peroxydisulfate in the presence of various portions of nickel microparticles. Electron microscopies demonstrated the coating of nickel with polyaniline. FTIR and Raman spectroscopies indicated the reduced degree of polyaniline protonation. As a consequence, the composites containing 7.2–58.8 wt% of nickel had the conductivity of the order of 10−3–10−2 S cm−1, i.e. several order of magnitude lower than the conductivity of polyaniline or nickel. The conductivity as a function of applied pressure is also reported. Relatively low conductivity of composites is explained by the partial reduction of polyaniline with hydrogen gas evolved during the synthesis and consequent hydrogenation of polyaniline catalysed by nickel. The accompanying partial dissolution of nickel manifests itself by the reduced composite yield. The reason why hydrogen is generated mainly after the synthesis of polyaniline is discussed. The magnetic properties afforded by nickel are also reported. The composites dispersed in thermoplastic polyurethane matrix providing mechanical properties have been tested for electromagnetic interference shielding. © 2022 Elsevier B.V.

Druh

J_SC - Článek v periodiku v databázi SCOPUS

CEP obor

—

OECD FORD obor

10404 - Polymer science

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2022

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Synthetic Metals

ISSN

0379-6779

e-ISSN

—

Svazek periodika

291

Číslo periodika v rámci svazku

Neuvedeno

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

8

Strana od-do

nestrankovano

Kód UT WoS článku

—

EID výsledku v databázi Scopus

2-s2.0-85137167877