Biomimetic Polypyrrole with Hierarchical Structures and Investigation of its Bio-sensing properties
Polypyrrole (PPy) with hierarchical structures inherited from butterfly wings were prepared by using a two-step templating process.Firstly,SiO2 replica was synthesized from butterfly wings by using a sonochemical method and then the obtained SiO2 replica was used as template for the fabrication of PPy with hierarchical structures by using an in situ polymerization method.The precise structues of PPy replica down to nanometers level were confirmed directly by FE-SEM,TEM images.The primary response of the replicas to dopamine (DA) as a biosensor was investigated by cyclic voltammetry,and it was found that the PPy replicas showed a much higher biological activity compared with that of common PPy powders,probably due to the hierarchical structures as well as controlled porosity inherited from butterfly wings.
Butterfly Wing Two-step Templating Hierarchical Structure PPy Biosensor
Shenmin Zhu Yuhang Chen Jie Tang Di Zhang
State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University,800 Dongc
国际会议
广州
英文
559-562
2012-11-16（万方平台首次上网日期，不代表论文的发表时间）