Název:
Effect of substrate hydrophobicity on the electrocatalytic behaviour of phthalocyanine
Autoři:
Klusáčková, Monika ; Janda, Pavel ; Tarábková, Hana Typ dokumentu: Příspěvky z konference Konference/Akce: ISC Modern Analytical Chemistry /12./, Prague (CZ), 20160922
Rok:
2016
Jazyk:
eng
Abstrakt: In this work, the electrocatalytic activity of pyridinoporphyrazine mediator deposited on two substrates with different hydrophobicity has been presented. We focused on hydrophobic highly oriented pyrolytic graphite (HOPG) as well as hydrophilic annealed gold electrode (Au111). The immobilization of mediator has been carried out spontaneous adsorption from aqueous solution on electrode surfaces. The different hydrophobicity surface resulted in change the electrocatalytic activities of mediator to hydrogen in aqueous solution. For this purpose, electrochemical, in situ spectroelectrochemical, and ex situ microscopically characterizations have been performed. The detailed comparison of surface morphology, surface coverage, surface roughness parameters, thickness of deposited layers of mediator, and pH solution has been studied.
Klíčová slova:
atomic force microscopy; cyclic voltammetry; electrocatalysis Číslo projektu: GA14-14696S (CEP) Poskytovatel projektu: GA ČR Zdrojový dokument: Proceedings of the 12th International students conference Modern Analytical Chemistry, ISBN 978-80-7444-044-1
Instituce: Ústav fyzikální chemie J. Heyrovského AV ČR
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Informace o dostupnosti dokumentu:
Dokument je dostupný v příslušném ústavu Akademie věd ČR. Původní záznam: http://hdl.handle.net/11104/0268396