Possibilities of photoseparation of charges on modified electrodes

Autor:	N. K. Khannanov, Vladimir V. Strelets, T. F. Yatsun, V. Ya. Shafirovich
Rok vydání:	1983
Předmět:	chemistry.chemical_classification Electrolysis of water Chemistry Orders of magnitude (temperature) Diffusion Electrode Analytical chemistry Charge (physics) General Chemistry Polymer Composite material Photoelectrochemical cell Chemically modified electrode
Zdroj:	Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 32:1157-1163
ISSN:	1573-9171 0568-5230
DOI:	10.1007/bf00953148
Popis:	1. Criteria have been formulated for the suitability of modified electrodes in systems for the photoseparation of charges. 2. By means of cyclic current-voltage curves, a study has been made of the characteristics of modified electrodes coated with films of polyxylideneviologen-polysulfostyrene and with liquid films of octadecylviologen-decanol. It has been shown that the mechanical method of depositing polymer films, if the required coverage of the electrode is obtained, gives films that are too thick, characterized by a “charge diffusion” time that is 3–4 orders of magnitude greater than that required for use of the modified electrode in separating charges in systems for the photodecomposition of water. 3. A route has been mapped out for the improvement of modified electrodes for use in photoelectrochemical cells for the decomposition of water.
Databáze:	OpenAIRE
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