Preparation and characterization of Mb-g-C3N4 biomaterial based on parent template method

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  • School of Chemical Engineering,Xi'an University,Xi'an 710065

Received date: 2019-09-10

  Revised date: 2020-11-07

  Online published: 2021-01-27

Abstract

g-C3N4 is a metal-free polymer semiconductor with good conductivity,biocompatibility and specific surface area.g-C3N4 is a graphite-like lamellar structure,which is widely used in photocatalyst,catalyst carrier,sensor and other fields due to its non-toxic,good stability,visible light response and many other characteristics.Method 1: ethylenediamine and carbon tetrachloride were mixed,heated and refluxed,and calcined at high temperature to get g-C3N4.Method 2: high-temperature decomposition of melamine to get g-C3N4.Myoglobin graphene composites (Mb-g-C3N4) were prepared by copolymerization of polydiallyl dimethyl ammonium chloride and amphiphilic polystyrene-polyacrylic acid (PS-b-PAA).Based on this,the direct electrochemical and electrocatalytic behaviors of Mb were studied.When the sweep speed was 100 mV/s,the oxidation peak (Epa) was -0.149v,and the reduction peak (Epc) was -0.056v.The characterization methods included infrared spectroscopy,scanning electron microscopy,X-ray diffraction,fluorescence spectroscopy,and the study of the morphology,crystal shape and structure of the prepared g-C3N4.The catalytic performance of Mb-g-C3N4/GCE was studied by cyclic voltammetry.The results showed that the Mb-g-C3N4/GCE electrode had good electrochemical properties and good catalytic effect on the reduction of nitrite.

Cite this article

He Yaping, Zhang Changhu, Xiao Haoyue, Han Quan, Yang Xiaohui, Huo Yanyan . Preparation and characterization of Mb-g-C3N4 biomaterial based on parent template method[J]. New Chemical Materials, 2021 , 49(1) : 135 -138 . DOI: 10.19817/j.cnki.issn 1006-3536.2021.01.030

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