Synthesis and characterization of polypyrrole/TiO2 composite by in situ polymerization method

Polypyrrole/TiO2 composite is prepared by in situ polymerization of pyrrole on the TiO2 template. The TiO2 microbelts are prepared by sol-gel method using the absorbent cotton template for the first time. Then the TiO2 microbelts are used as template for the preparation of polypyrrole/TiO2 composites. The structure, morphology and properties of the composites are characterized with scanning electron microscope (SEM), IR and Network Analyzer. A possible formation mechanism of TiO2 microbelts and polypyrrole/TiO2 composites has been proposed. The effect of the molar ratio of pyrrole/TiO2 on the photocatalysis properties and microwave loss properties of the composites is investigated. (C) 2010 Elsevier B.V. All rights reserved.