Journal
JOURNAL OF MACROMOLECULAR SCIENCE PART B-PHYSICS
Volume 48, Issue 6, Pages 1093-1102Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/00222340903035576
Keywords
conductivity; graphite oxide; in situ polymerization; polypyrrole
Categories
Funding
- National Natural Science Foundation of China [20706015, 50703009]
- Shanghai Rising-Star Program [07QA14014]
- Major Basic Research Project of Shanghai [07DJ14001]
- Ph. D. Programs Foundation of the Ministry of Education of China [20070251022]
- Special Projects for Key Laboratories in Shanghai [07DZ22016, 06DZ22008]
- Special Projects for Nanotechnology of Shanghai [0752nm010]
- Program of Shanghai Subject Chief Scientist [08XD14015]
- Shanghai Leading Academic Discipline Project [B502]
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Graphite oxide (GO)/polypyrrole (PPy) composites with high electrical conductivity have been prepared via in situ polymerization. The bonding structures of the resulting composites were characterized by ultraviolet (UV)-visible spectra and X-ray photoelectron spectroscopy (XPS), which indicate no significant chemical interaction between PPy and GO. Scanning electron microscopy (SEM) and high-resolution transmission electron microscopy (HRTEM) show that the GO surface is coated with a uniform PPy layer. In comparison with GO, the electrical conductivity of the composite increases by four orders of magnitude higher than that of pristine GO. The thermal stability of PPy/GO composite, characterized by thermogravimetry (TG), is higher than that of the pure GO.
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