Synthesis and Characterization of Polypyrrole/Graphite Oxide Composite by In Situ Emulsion Polymerization

被引：88

作者：

Gu, Zheming ^{[1
,2
]}

Li, Chunzhong ^{[1
]}

Wang, Gengchao ^{[1
]}

Zhang, Ling ^{[1
]}

Li, Xiaohui ^{[2
]}

Wang, Wendong ^{[2
]}

Jin, Shilei ^{[2
]}

机构：

[1] E China Univ Sci & Technol, Key Lab Ultrafine Mat, Minist Educ, Sch Mat Sci & Engn, Shanghai 200237, Peoples R China

[2] Shanghai Res Inst Mat, Dept Plast Engn, Shanghai 200237, Peoples R China

来源：

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS | 2010年 / 48卷 / 12期

基金：

中国国家自然科学基金;

关键词：

composites; conducting polymers; emulsion polymerization; polypyrrole; GRAPHITE OXIDE; DELAMINATION/REASSEMBLING METHOD; ELECTRICAL-CONDUCTIVITY; POLYANILINE; NANOCOMPOSITES; ELECTROLYTE; MORPHOLOGY;

D O I：

10.1002/polb.22031

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

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

引用

页码：1329 / 1335

页数：7

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