Synthesis and Electrochemical Performance of Polypyrrole/Graphene Nanocomposites for the Detection of Formaldehyde

被引：9

作者：

Cai, Z. Y. ^{[1
,2
]}

Lin, F. F. ^{[2
]}

Wei, T. ^{[2
]}

Fu, D. G. ^{[1
]}

Pei, L. Z. ^{[2
]}

机构：

[1] Southeast Univ, Sch Chem & Chem Engn, State Key Lab Bioelect, Nanjing 210096, Jiangsu, Peoples R China

[2] Anhui Univ Technol, Sch Mat Sci & Engn, Minist Educ, Key Lab Met Emiss Reduct & Resources Recycling, Maanshan 243002, Anhui, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2019年 / 14卷 / 05期

关键词：

Graphene/polypyrrole nanocomposites; Glassy carbon electrode; Electrochemical performance; Formaldehyde; BIOSENSOR; NANOPARTICLES; ELECTRODE; OXIDE; DERIVATIZATION; OXIDATION; NANOWIRE; SENSOR; ACID;

D O I：

10.20964/2019.05.62

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Polypyrrole/graphene nanocomposites have been synthesized via a simple in-situ pyrrole polymerization process. The polypyrrole/graphene nanocomposites were analyzed by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), high-resolution TEM (HRTEM) and Fourier transform infrared spectroscopy (FTIR) spectra. The results show that the sphere-like polypyrrole particles with the size of less than 500 nm attach to the surface of the graphene nanosheet-shaped structures with the size of less than 10 The polypyrrole/graphene nanocomposites modified glassy carbon electrode exhibits good electro-catalytic performance for formaldehyde in neutral solution. The nanocomposites modified glassy carbon electrode shows an irreversible current peak located at +0.2 V. The detection limit and linear detection range are 0.028 mu M and 0.001-2 mM. The polypyrrole/graphene nanocomposites reveal great potential to detect formaldehyde in liquid environment.

引用

页码：4371 / 4382

页数：12

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