The Effect of pH on Electro-oxidation of Phenolic Compounds at Boron-Doped Nanocrystalline Diamond Films (BDND)

被引：0
|
作者：
Santos, M. [1 ]
Azevedo, A. F. [2 ]
Souza, F. A. [2 ]
Baldan, M. R. [2 ]
Ferreira, N. G. [2 ]
机构：
[1] Fatec Pindamonhangaba, Pindamonhangaba, SP, Brazil
[2] INPE LAS, Sao Jose Dos Campos, SP, Brazil
来源：
18 SIMPOSIO BRASILEIRO DE ELETROQUIMICA E ELETROANALITICA (XVIII SIBEE) | 2012年 / 43卷 / 01期
基金：
巴西圣保罗研究基金会;
关键词：
RAMAN-SPECTROSCOPY; ELECTRODES; NANODIAMOND;
D O I：
10.1149/1.4704952
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The surface properties of boron-doped nanocrystalline diamond (BDND) films were investigated in regard to their electrochemical response to phenol, 4-chlorophenol and 4-nitrophenol. The films were produced using Hot Filament CVD technique on Si substrate with a gas mixture of CH4/H-2/Ar. The morphology and quality of the BDND electrode were characterized by scanning electron microscopy and by Raman scattering spectroscopy. The BDND surface pre-treatment was carried out to evaluate the phenolic compounds detection efficiency induced by anodic polarization (AP) followed by cathodic polarization (CP) in 1 mmol L-1 of these compounds in different pH range from 1 to 13.5. The use of cyclic and linear voltammetry with the BDND electrodes for the detection of these phenolics compounds is described.
引用
收藏
页码：151 / 157
页数：7
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