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.

引用

页数：12

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