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Polyaniline/Al Bismuthate Composite Nanorods Modified Glassy Carbon Electrode for the Detection of Benzoic Acid

Author(s):

Lizhai Pei, Fanglv Qiu, Yue Ma, Feifei Lin, Chuangang Fan* and Xianzhang Ling   Pages 1 - 6 ( 6 )

Abstract:


Context: Benzoic acid is a kind of extensively used preservative. It is of great significance to detect benzoic acid by a rapid method for quality assurance and protection in the fields of pharmaceutical, food and chemistry industry. Objective: The present research is aimed to prepare polyaniline/Al bismuthate composite nanorods by an in-situ polymerizing process for effective detection of benzoic acid. Methods: The polyaniline/Al bismuthate composite nanorods are prepared by an in-situ polymerizing process. The structure, morphology and electrochemical performance of the obtained polyaniline/Al bismuthate composite nanorods are analyzed by X-ray diffraction (XRD), transmission electron microscopy and electrochemical measurement. Results: XRD and transmission electron microscopy observations show that the amorphous nanoscale polyaniline particles attach to the surface of the crystalline nanorods. The electrochemical measurement of 2 mM benzoic acid using the composite nanorods modified glassy carbon electrode (GCE) shows that a pair of semi-reversible CV peaks is located at -0.11 V (cvp1) and -0.48 V (cvp1

Keywords:

Al bismuthate nanorods, polyaniline, glassy carbon electrode, electrochemical detection, benzoic acid

Affiliation:

Key Laboratory of Metallurgical Emission Reduction & Resources Recycling, Ministry of Education, Key Lab of Materials Science and Processing of Anhui Province, School of Materials Science and Engineering, Anhui University of Technology, Ma`anshan, Anhui 243002, P. R., Key Laboratory of Metallurgical Emission Reduction & Resources Recycling, Ministry of Education, Key Lab of Materials Science and Processing of Anhui Province, School of Materials Science and Engineering, Anhui University of Technology, Ma`anshan, Anhui 243002, P. R., Key Laboratory of Metallurgical Emission Reduction & Resources Recycling, Ministry of Education, Key Lab of Materials Science and Processing of Anhui Province, School of Materials Science and Engineering, Anhui University of Technology, Ma`anshan, Anhui 243002, P. R., Key Laboratory of Metallurgical Emission Reduction & Resources Recycling, Ministry of Education, Key Lab of Materials Science and Processing of Anhui Province, School of Materials Science and Engineering, Anhui University of Technology, Ma`anshan, Anhui 243002, P. R., Key Laboratory of Metallurgical Emission Reduction & Resources Recycling, Ministry of Education, Key Lab of Materials Science and Processing of Anhui Province, School of Materials Science and Engineering, Anhui University of Technology, Ma`anshan, Anhui 243002, P. R., School of Civil Engineering, Harbin Institute of Technology, Heilongjiang, Harbin 150090, P. R. China; School of Civil Engineering, Qingdao Technological University, Shandong, Qingdao 266520, P. R.



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