Fabrication of (GOx/Pt-DENs)n/CNTs Nanocomposite and their Electrochemical Properties for Anode in Biofuel Cell

Abstract:

In this paper, a method of carbon nanotube coated with the dendrimer encapsulated platinum nanoparticles（Pt-DENs/CNTs） was introduced, and the properties of enzyme electrode modified by the Pt-DENs/CNTs were investigated. The formation of the self-assembled (GOx/Pt-DENs)_n/CNTs construction was expiored by high resolution transmission electron microscopy (HRTEM). And the results indicated that the uniform growth of the layer-by-layer nanostructures onto carboxyl-functionalized CNTs. The electrochemical properties of the enzyme anode modified by (GOx/Pt-DENs)_n/CNTs, which act as biofuel cell anode, was studied by electrochemica measurements. Owing to its nanostructure, the (GOx/Pt-DENs)_n/CNTs heterostructures have a large specific area, a high surface active center, good conductivity and macro tunnel effect, therefore the electrode modified by (GOx/Pt-DENs)_n/CNTs has series of attractive electrochemical characteristics so as to enhance biofuel cell’s function.

• Periodical: Advanced Materials Research (Volumes 239-242)
• Pages: 3225-3230
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.239-242.3225
• Online since: May 2011
• Authors: Jian Mei Zhang, Yi Hua Zhu, Jie Ping Yun, Xiao Ling Yang, Chun Zhong Li
• Keywords: Biofuel Cell, Dendrimer Encapsulated Platinum Nanoparticle, Enzyme Anode, Glucose Oxidase, LbL Self-Assembly, Multi-Walled Carbon Nanotube (MWCNT)

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