Photo- and electro-chemical processes at organic crystal electrodes. II.* Oxidation of a solute in water by positive holes from an anthracene crystal

Lyons L.E. and McGregor K.G. (1976) Photo- and electro-chemical processes at organic crystal electrodes. II.* Oxidation of a solute in water by positive holes from an anthracene crystal. Australian Journal of Chemistry, 29 1: 21-26. doi:10.1071/CH9760021


Author Lyons L.E.
McGregor K.G.
Title Photo- and electro-chemical processes at organic crystal electrodes. II.* Oxidation of a solute in water by positive holes from an anthracene crystal
Journal name Australian Journal of Chemistry   Check publisher's open access policy
ISSN 1445-0038
Publication date 1976-01-01
Sub-type Article (original research)
DOI 10.1071/CH9760021
Open Access Status
Volume 29
Issue 1
Start page 21
End page 26
Total pages 6
Subject 1600 Chemistry
Abstract Although aqueous electrodes have been used often to discharge positive holes emerging from an anthracene crystal, the mechanism has not yet been elucidated in any one case. We have found that p-anilinobenzenesulphonate (1) prevents all oxidation of the water, itself being oxidized with very nearly 100% efficiency. To oxidize one negative ion, 1.99 ± 0.01 holes are needed. The product was N, N’-(1, 1'-biquinone-4, 4'-diimine)bisbenzene-p-suphonic acid (2). An induction period before the production appeared in solution and small deficiencies in the 100% oxidation were attributed to adsorption of a monolayer (3.4 × 1013 ions cm-2) of the product ions on the anthracene crystal, agreeing with an expected area of 2.6 nm2for an adsorbed ion. A 1: 3 complex of iron(1) and 1, 10-phenanthroline gave similar results requiring one electron to oxidize a (+ 2) positive ion with an adsorbed monolayer concentration of 7.3(±:0.1) × 1013 ions cm-2.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 14 Jun 2016, 16:53:26 EST by System User