Electrochemical and In Situ FTIR Study of o-Cresol on Platinum Electrode in Acid Medium

被引：10

作者：

Taleb, Z. ^{[1
]}

Montilla, F. ^{[2
]}

Quijada, C. ^{[3
]}

Morallon, E. ^{[2
]}

Taleb, S. ^{[1
]}

机构：

[1] Univ Djillali Liabes Sidi Bel Abbes, Fac Sci, Lab Mat & Catalyse, Sidi Bel Abbes, Algeria

[2] Univ Alicante, Dept Quim Fis, Inst Univ Mat, E-03080 Alicante, Spain

[3] Univ Politecn Valencia, Dept Ingn Text & Papelera, Alicante 03801, Spain

来源：

ELECTROCATALYSIS | 2014年 / 5卷 / 02期

关键词：

o-Cresol; Platinum electrode; Oxidation; Reduction; Cyclic voltammetry; FTIR spectroscopy; ELECTROCATALYTIC HYDROGENATION; SELECTIVE HYDROGENATION; PHENOLIC-COMPOUNDS; MASS-SPECTROMETRY; AQUEOUS-SOLUTIONS; CARBONATE MEDIUM; BENZENE; OXIDATION; BEHAVIOR; ADSORPTION;

D O I：

10.1007/s12678-013-0182-x

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The electrochemical behaviour of o-cresol in acidic medium on platinum electrode has been studied by cyclic voltammetry and in situ Fourier transform infrared spectroscopy. The o-cresol suffers hydrolysis during oxidation giving rise to the formation of methyl-p-benzoquinone. In situ FTIR spectroscopic studies also reveal the presence of CO2, formed as a consequence of the rupture of the aromatic ring. Moreover, the oxidation of o-cresol in acidic medium produces a polymeric film on the platinum surface that precludes further oxidation of o-cresol. The reduction of o-cresol at potentials below 0 V produces in the first step the partial reduction of the aromatic ring and when the potential goes to values below 0 V, methyl-cyclohexanone.

引用

页码：186 / 192

页数：7

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