In-situ prepared polyaniline-silver composites: Single- and two-step strategies

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F14%3A10282221" target="_blank" >RIV/00216208:11320/14:10282221 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61389013:_____/14:00426956

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.electacta.2013.10.001" target="_blank" >http://dx.doi.org/10.1016/j.electacta.2013.10.001</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.electacta.2013.10.001" target="_blank" >10.1016/j.electacta.2013.10.001</a>

Jazyk výsledku

angličtina

Název v původním jazyce

In-situ prepared polyaniline-silver composites: Single- and two-step strategies

Popis výsledku v původním jazyce

Conducting polymer-metal composites, such as polyaniline-silver, can efficiently be prepared by two ways: (1) by the oxidation of aniline with silver ions or (2) by the reduction of silver ions with polyaniline. Both approaches yield the composites withlimited conductivity. In order to increase the content of silver, and thus increase the conductivity, two strategies are proposed: (1) an increase of oxidant-to-aniline mole ratio in the oxidation of aniline with silver nitrate above stoichiometric valuein a single step, and thus reduce excess silver ions to silver metal with produced polyaniline, or (2) in two steps, by preparing polyaniline-silver composite at first and then using polyaniline for the reduction of silver ions. The second approach yields the composites of higher conductivity of the order 100 S cm(-1). The role of aniline oligomers and interfacial barriers is discussed on the basis of UV-vis and FTIR spectra, and on morphology assessment. The changes in conductivity of

Název v anglickém jazyce

In-situ prepared polyaniline-silver composites: Single- and two-step strategies

Popis výsledku anglicky

Conducting polymer-metal composites, such as polyaniline-silver, can efficiently be prepared by two ways: (1) by the oxidation of aniline with silver ions or (2) by the reduction of silver ions with polyaniline. Both approaches yield the composites withlimited conductivity. In order to increase the content of silver, and thus increase the conductivity, two strategies are proposed: (1) an increase of oxidant-to-aniline mole ratio in the oxidation of aniline with silver nitrate above stoichiometric valuein a single step, and thus reduce excess silver ions to silver metal with produced polyaniline, or (2) in two steps, by preparing polyaniline-silver composite at first and then using polyaniline for the reduction of silver ions. The second approach yields the composites of higher conductivity of the order 100 S cm(-1). The role of aniline oligomers and interfacial barriers is discussed on the basis of UV-vis and FTIR spectra, and on morphology assessment. The changes in conductivity of

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BM - Fyzika pevných látek a magnetismus

OECD FORD obor

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Projekt

<a href="/cs/project/GA13-00270S" target="_blank" >GA13-00270S: Hybridní kompozity na bázi vodivých polymerů</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2014

Kód důvěrnosti údajů

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

Název periodika

Electrochimica Acta

ISSN

0013-4686

e-ISSN

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Svazek periodika

122

Číslo periodika v rámci svazku

March

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

8

Strana od-do

259-266

Kód UT WoS článku

000334007900032

EID výsledku v databázi Scopus

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