Ordered mesoporous Co3O4 nanospheres / reduced graphene oxide composites for rutin detection

被引：29

作者：

Zhang, Jiangjiang ^{[1
]}

Cui, Shiqiang ^{[2
]}

Ding, Yaping ^{[1
]}

Yang, Xinxin ^{[1
]}

Guo, Kai ^{[1
]}

Zhao, Jingtai ^{[1
,3
]}

机构：

[1] Shanghai Univ, Coll Sci, Sch Mat Sci & Engn, Shanghai 200444, Peoples R China

[2] Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China

[3] Shanghai Univ, State Key Lab Adv Special Steel, Shanghai 200444, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2018年 / 44卷 / 07期

基金：

中国国家自然科学基金;

关键词：

Ordered mesoporous nanospheres; Co3O4; Reduced graphene oxide; Rutin; Electrochemical sensor; FACILE SYNTHESIS; PERFORMANCE; NANOPARTICLES; FABRICATION; PLATFORM; ELECTROCATALYST; NANOCOMPOSITE; NANOFIBERS; OXIDATION; NICO2O4;

D O I：

10.1016/j.ceramint.2018.01.221

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The ordered mesoporous Co3O4 nanospheres encapsulated with reduced graphene oxide (denoted as meso-Co3O4 / RGO) were synthesized via electrostatic interaction and firstly for the electrochemical detection of rutin with good sensing effects. The resultant meso-Co3O4 / RGO nanocatalyst not only possesses more active sites due to the high surface area deriving from the mesoporous structure, but also has benign conductibility due to the presence of RGO, both of which enhance the sensing properties for the electrochemical detection of rutin. The developed sensor displays low detection limit (0.03 mu M) and large sensitivity (74.85 mu A mu M-1 cm(-2)). Besides, the rutin sensor possesses good selectivity, stability and reproducibility.

引用

页码：7858 / 7866

页数：9

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