Electrochemical behaviour of hexacyanoferrate(II)/(III) and ferrocene/ferricinium in lyotropic liquid crystals of polyoxyethylene (10) cetylether (Brij 56)

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388980%3A_____%2F10%3A00357522" target="_blank" >RIV/61388980:_____/10:00357522 - isvavai.cz</a>

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Electrochemical behaviour of hexacyanoferrate(II)/(III) and ferrocene/ferricinium in lyotropic liquid crystals of polyoxyethylene (10) cetylether (Brij 56)

Original language description

The conductivity of a lyotropic liquid crystal medium (LLC) consisting of 50:50 wt.% Brij 56 (R) and 0.5 M aqueous KCl was found to be five times lower than the purely aqueous solution. Electrochemical properties of potassium hexacyanoferrate(II)/(III) and ferrocene/ferricinium in the LLC were examined by cyclic voltammetry and chronoamperometry on platinum foil and microdisk electrodes. Ferricinium reduction, while complicated in water by precipitation of ferrocene. showed solution behaviour and normaldiffusion control in the liquid crystal. Effective diffusion coefficients of ferrocene and ferrocinium in the lyotropic liquid crystal were found to be further reduced to 4-5 x 10(-8) cm(2) s(-1). The lower diffusion coefficients compared with those inliquid solvents were attributed to restricted mobility and channel size effects in the LLC. The results are relevant to the design of electrochemical syntheses using LLC as nanostructured templates or as amphiphilic solvents.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

CG - Electrochemistry

OECD FORD branch

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Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year

2010

Confidentiality

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

Name of the periodical

Journal of Electroanalytical Chemistry

ISSN

1572-6657

e-ISSN

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Volume of the periodical

646

Issue of the periodical within the volume

1-2

Country of publishing house

CH - SWITZERLAND

Number of pages

6

Pages from-to

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UT code for WoS article

000280622800003

EID of the result in the Scopus database

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