A functionalized renewable carbon-based surface for sensor development

被引：6
作者：
Silva, Martin K. L. [1 ]
Leao, Alcides L. [1 ]
Sain, Mohini [2 ,3 ]
Cesarino, Ivana [1 ]
机构：
[1] Sao Paulo State Univ UNESP, Sch Agr, Ave Univ 3780, BR-18610034 Botucatu, SP, Brazil
[2] Univ Toronto, Ctr Biocomposites & Biomat Proc, Fac Forestry, Toronto, ON, Canada
[3] Univ Toronto, Dept Mech & Ind Engn, Toronto, ON, Canada
来源：
JOURNAL OF SOLID STATE ELECTROCHEMISTRY | 2021年 / 25卷 / 03期
基金：
巴西圣保罗研究基金会;
关键词：
Renewable carbon; Surface modification; Acid treatment; Electrochemical sensors; Low-cost; VOLTAMMETRIC DETERMINATION; ACTIVATED CARBON; SENSITIVE DETECTION; BIOCHAR; NANOPARTICLES; GRAPHENE; ANTIMONY; ACID; CHEMISTRY; OXIDATION;
D O I：
10.1007/s10008-020-04882-x
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
This paper describes the surface modification of glassy carbon (GC) electrodes with a bamboo-based renewable carbon (RC) before and after an acid functionalization procedure with a sulfonitric solution (1:3 HNO3/H2SO4). The morphology and structural characterization indicate an increase of functional groups in the functionalized renewable carbon (RCF) surface. The enhanced electroanalytical properties of RC and RCF were evaluated by cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) in two different setups, in the presence of the redox couple ([Fe(CN)(6)](3-/4-)) and escitalopram (EST). The results revealed an enhancement for the electrochemical responses of both inorganic and organic compounds in the electrolyte. Therefore, the use of new carbon-based materials such as renewable carbon for development of electrochemical sensors brings a fresh approach to low-cost device development.
引用
收藏
页码：1093 / 1099
页数：7
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