Electrosynthesis of 4,4 '-dinitroazobenzene on PbO2 electrodes

Abaci, S; Tamer, UĞUR; Pekmez, K; Yildiz, A

doi:10.1023/a:1014721030568

Electrosynthesis of 4,4 '-dinitroazobenzene on PbO2 electrodes

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Abaci S., Tamer U., Pekmez K., Yildiz A.

JOURNAL OF APPLIED ELECTROCHEMISTRY, vol.32, no.2, pp.193-196, 2002 (SCI-Expanded)

Publication Type: Article / Article
Volume: 32 Issue: 2
Publication Date: 2002
Doi Number: 10.1023/a:1014721030568
Journal Name: JOURNAL OF APPLIED ELECTROCHEMISTRY
Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
Page Numbers: pp.193-196
Gazi University Affiliated: Yes

Abstract

Parameters which affect the electrosynthesis of 4,4'-dinitroazobenzene from p-nitroaniline on platinum and PbO2 electrodes were investigated and optimum conditions were determined. Maximum conversion efficiency for electrosynthesis was 95% with a pure beta-PbO2 electrode. It was found that the electrocatalytic activity of a PbO2 electrode depends upon its alpha/beta ratio and its degree of crystallinity. The effects of the added base and water on the conversion efficiency were also elucidated.