Study on the electrochemical catalytic properties of the topological insulator Bi2Se3

被引：24

作者：

Chen, Shan ^{[1
]}

Fang, Yi-Min ^{[1
]}

Li, Juan ^{[1
]}

Sun, Jian-Jun ^{[1
]}

Chen, Guo-Nan ^{[1
]}

Yang, Huang-Hao ^{[1
]}

机构：

[1] Fuzhou Univ, Coll Chem & Chem Engn, Key Lab Anal & Detect Technol Food Safety MOE, Fujian Prov Key Lab Anal & Detect Technol Food Sa, Fuzhou 350002, Peoples R China

来源：

BIOSENSORS & BIOELECTRONICS | 2013年 / 46卷

基金：

美国国家科学基金会; 中国国家自然科学基金;

关键词：

Topological insulator; Electrochemical catalysis; Electrochemical biosensor; Dissolved oxygen; Glucose; SINGLE DIRAC CONE; GLUCOSE-OXIDASE; BIOSENSOR; IMMOBILIZATION; NANOSTRUCTURES; CHEMISTRY; FILMS;

D O I：

10.1016/j.bios.2013.02.019

中图分类号：

Q6 [生物物理学];

学科分类号：

071011 ;

摘要：

In this work, the electrochemical catalytic properties of the topological insulator bismuth selenide (Bi2Se3) were first studied. In the presence of Bi2Se3 the reduction current of dissolved O-2 could be significantly enhanced. The electron transfer resistivity (Rct) was greatly reduced at the Bi2Se3 PVP modified electrode as evidenced by the electrochemical impedance spectrometry, implying that the topological insulator Bi2Se3 could facilitate the electron transfer at the interface due to the excellent surface conductivity. Based on the high electrochemical catalytic activity for the reduction of dissolved O-2, the Bi2Se3 PVP modified electrode was used to detect glucose with the modification of glucose oxidase, and applied for the detection of glucose in human blood serum. (C) 2013 Elsevier S.V. All rights reserved.

引用

页码：171 / 174

页数：4

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