Efficient formaldehyde sensor based on PtPd nanoparticles-loaded nafion-modified electrodes

被引：4
|
作者：
Xu, Shuting [1 ]
Jiang, Li [1 ]
Huang, Xiaowei [1 ]
Ju, Wentao [1 ]
Liang, Yanxia [1 ]
Tao, Zhu [1 ]
Yang, Yumeng [1 ]
Zhu, Benfeng [1 ]
Wei, Guoying [1 ]
机构：
[1] China Jiliang Univ, Coll Mat & Chem, Hangzhou 310018, Peoples R China
来源：
NANOTECHNOLOGY | 2024年 / 35卷 / 02期
基金：
中国国家自然科学基金;
关键词：
PtPd; nanoparticles; formaldehyde detection; sensor; electrochemistry; ELECTROCHEMICAL SENSOR; FLUORESCENT-PROBES; PD NANOPARTICLES; GREEN SYNTHESIS; CATALYSTS; EVOLUTION; OXIDATION; METHANOL; NANODENDRITES; PLATINUM;
D O I：
10.1088/1361-6528/ad0124
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The noble metal-based electrochemical sensor design for efficient and stable formaldehyde(FA) detection is important ongoing research. In this paper, PtPd/Nafion/GCE is prepared by electrochemical cyclic voltammetry deposition method based on electrodepositing nanostructured platinum (Pt)-palladium (Pd) nanoparticles in Nafion film-coated glassy carbon electrode (GCE). The influence of deposition parameters and chemical composition (atomic ratio of Pt and Pd) on the electrochemical behaviour of PtPd/Nafion/GCE has been investigated. PtPd/Nafion/GCE displays a remarked electrocatalytic activity for the oxidation of FA and exhibits a linear relationship in the range of 10-5000 mu M, with a detection limit of 3.3 mu M in 0.1 M H2SO4 solution. It is proved that the detection performance of PtPd/Nafion/GCE electrode is valuable for further application with low detection limit, wide linear range, favourable selectivity and high response.
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页数：12
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