Template synthesis of micro/mesoporous Cl-doped polypyrrole using vapor phase polymerization

[Display omitted] •Template synthesis of 3D porous conductive polypyrrole relies on vapor phase polymerization.•The polypyrrole exhibits a large BET surface area of 455m2/g and Cl-doped structure.•The pyrrole-modified electrode provides a promising electrochemical response. Template synthesis of pol...

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Bibliographic Details
Published in:Materials letters 2017-04, Vol.192, p.80-83
Main Authors: Bui, Trung Tuyen, Kim, Yong Shin, Chun, Hyungphil, La, Duong Duc, Bhosale, Sheshanath V.
Format: Article
Language:English
Subjects:
Benzene
Chemical synthesis
Chemical vapor deposition
Electrodes
Materials science
Microstructure
Oxidation
Phase (cyclic)
Polymerization
Polymers
Pore size
Pore size distribution
Porosity
Porous materials
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Summary:[Display omitted] •Template synthesis of 3D porous conductive polypyrrole relies on vapor phase polymerization.•The polypyrrole exhibits a large BET surface area of 455m2/g and Cl-doped structure.•The pyrrole-modified electrode provides a promising electrochemical response. Template synthesis of polypyrrole (PPy) in three-dimensional interconnected channels was attained using vapor phase polymerization by the oxidation of pre-adsorbed pyrrole within a microporous metal-organic framework of [Cu3(btc)2]n (btc=benzene-1,3,5-tricarboxylate) upon exposure to FeCl3 vapor. The formation of Cl-doped PPy was confirmed by material characterizations. Moreover, the product exhibited interesting microstructure features with an octahedron-like shape and high porosity, possibly a result of the Cu3(btc)2 template. The BET surface area of the porous PPy was 455m2/g and its pore size was distributed in the range of 1–10nm. In preliminary measurements of cyclic voltammetry, the micro/mesoporous PPy-modified electrode exhibited a higher quasi-reversible electrochemical response for ferricyanide than a bare glass carbon electrode.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2016.12.054