Electroanalytical Study of SSeNPs-CGA-FTO Electrochemical Sensor Towards the Detection of H2O2

被引：2
|
作者：
Dumore, Nilesh S. [1 ,2 ]
Mukhopadhyay, Mausumi [2 ]
机构：
[1] Sitarambhai Naranji Patel Inst Technol, Res Ctr, Dept Chem Engn, Umrakh 394601, Gujarat, India
[2] Sardar Vallabhbhai Natl Inst Technol, Dept Chem Engn, Surat 395007, Gujarat, India
来源：
JOURNAL OF ELECTRONIC MATERIALS | 2023年 / 52卷 / 10期
关键词：
Selenium nanoparticles; graphene amine; FTO; electrochemical sensor; cyclic voltammetry; amperometry; FUNCTIONALIZED CARBON NANOTUBES; SELENIUM NANOPARTICLES; BIMETALLIC NANOPARTICLES; ELECTRON-TRANSFER; GLUCOSE-OXIDASE; GRAPHENE OXIDE; BIOSENSOR; COMPOSITE;
D O I：
10.1007/s11664-023-10612-6
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A commercial graphene-amine (CGA) and synthesized selenium nanoparticle (SSeNP) nanocomposite coated on the surface of fluorine-doped tin oxide (SSeNPs-CGA-FTO) substrate was developed by spin coating for H2O2 detection. The CGA-FTO and SSeNPs-CGA-FTO electrochemical sensors were characterized using FESEM with EDAX analysis. FESEM analysis showed nanotube and fluffy morphology of the SSeNPs and CGA, respectively. The developed CGA-FTO and SSeNPs-CGA-FTO electrochemical sensors were used for the sensing of hydrogen peroxide by chronoamperometry (CA) in NaOH (0.1 N) electrolyte. The sensors showed a linear response range from 0.1 mM to 20 mM with sensitivity of 101.7 mA mM(-1) cm(-2) (R-2 = 0.9931) and 137.9 mA mM(-1) cm(-2) (R-2 = 0.9956). The CGA-FTO and SSeNPs-CGA-FTO showed a very low detection limit of 0.1 mM and 0.05 mM, respectively, with a detection response time of less than 1 s. The interference study of the SSeNPs-CGA-FTO-based sensors showed higher selectivity towards H2O2 with interfering agents as compared with CGA-FTO.
引用
收藏
页码：6800 / 6814
页数：15
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