Synthesis of PtxSn/MWCNTs and their Application in Non-enzymatic Glucose and Hydrogen Peroxide Sensors

被引：7

作者：

Min, Hui ^{[1
,2
,3
]}

Wu, Wenqin ^{[1
,2
,3
]}

Wu, Huimin ^{[1
,2
,3
]}

Wang, Shengfu ^{[1
,2
,3
]}

Feng, Chuanqi ^{[1
,2
,3
]}

Ding, Yu ^{[4
]}

机构：

[1] Hubei Univ, Hubei Collaborat Innovat Ctr Adv Organ Chem Mat, Wuhan 430062, Peoples R China

[2] Hubei Univ, Key Lab Synth & Applicat Organ Funct Mol, Minist Educ, Wuhan 430062, Peoples R China

[3] Hubei Univ, Coll Chem & Chem Engn, Wuhan 430062, Peoples R China

[4] Hubei Engn Univ, Coll Chem & Mat Sci, Xiaogan 432000, Peoples R China

来源：

ELECTROANALYSIS | 2017年 / 29卷 / 03期

基金：

中国国家自然科学基金;

关键词：

PtxSn; MWCNTs nanocomposites; Non-enzymatic sensor; Glucose; Hydrogen peroxide; CORE-SHELL NANOPARTICLES; LITHIUM-ION BATTERIES; NEUTRAL PH VALUES; ELECTROCHEMICAL SENSOR; NANOSTRUCTURED COMPOSITES; PLATINUM NANOPARTICLES; AMPEROMETRIC SENSOR; CARBON SUPPORT; ANODE MATERIAL; ELECTRODE;

D O I：

10.1002/elan.201600530

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

PtxSn/MWCNTs (x=1, 2, 3) nanocomposites were synthesized by chemical reduction. Comparing all of the materials, the results revealed that the best material was Pt3Sn/MWCNTs. The sensor based on Pt3Sn/MWCNTs exhibited excellent catalytic activities towards glucose and hydrogen peroxide. Sensing of glucose had a double-linear range: one was between 50M and 550M, the other was between 1.35mM and 16.35mM. These were due to the fact that more and more intermediate species were adsorbed onto the electrode surface with increasing concentration of glucose, which limited the following glucose oxidation. Meanwhile, the sensor also had a linear response range between 0.05mM and 18.95mM for hydrogen peroxide. Furthermore, the glucose and hydrogen peroxide sensors exhibited excellent selectivity, stability, and reproducibility. Thus the sensors had potential utilities in the detection of glucose and hydrogen peroxide.

引用

页码：730 / 738

页数：9

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