Journal
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS
Volume 48, Issue 12, Pages 1329-1335Publisher
WILEY
DOI: 10.1002/polb.22031
Keywords
composites; conducting polymers; emulsion polymerization; polypyrrole
Categories
Funding
- National Natural Science Foundation of China [20706015, 50703009, 50773020]
- Shanghai Rising-Star Program [07QA14014]
- Major Basic Research Project of Shanghai [07DJ14001]
- Foundation of Ministry of Education of China [20070251022]
- Special Projects for Key Laboratories in Shanghai [07DZ22016, 06DZ22008]
- Special Projects for Nanotechnology of Shanghai [0752nm010, 0852nm02000, 1052nm02500]
- Program of Shanghai Subject Chief Scientist [08XD14015]
- Shanghai Leading Academic Discipline Project [B502]
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This work demonstrates a feasible route to synthesize the layered polypyrrole/graphite oxide (PPy/GO) composite by in situ emulsion polymerization in the presence of cationic surfactant cetyltrimethylammonium bromide (CTAB) as emulsifier. AFM and XRD results reveal that the GO can be delaminated into nanosheets and well dispersed in aqueous solution in the presence of CTAB. The PPy nanowires are formed due to the presence of the lamellar mesostructured (CTA)(2)S2O8 as a template. The results of the PPy/GO composite indicate the PPy insert successfully into GO interlayers, and the nanofiber-like PPy are deposited onto the GO surface. Owing to pi-pi electron stacking effect between the pyrrole ring of PPy and the unoxided domain of GO sheets, the electrical conductivity of PPy/GO composite (5 S/cm) significantly improves in comparison with pure PPy nanowires (0.94 S/cm) and pristine GO (1 x 10(-6) S/cm). (C) 2010 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 48: 1329-1335, 2010
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