The Microstructure of Polyaniline Coatings Electropolymerized on Pb Substrate in Aniline+Oxalic Acid Electrolyte

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The electropolymerizition of polyaniline (PANI) on Pb substrate was performed by potentiostatic or galvanostatic method in aniline+oxalic acid electrolyte. The PANI coatings were characterized by FTIR, XRD and SEM methods. The results showed that the PANI coatings have a crystalline-amorphous composite structure whose degree of crystallinity is about 30%~50%. They belong to a conducting emeraldine salt form and contain varied amounts of water (hydrated PANI salt). The PANI coating synthesized at low current density is in a more reduced state. There is a fibrillar-like morphology for the PANI coatings electrodeposited on Pb substrate.

Info:

Periodical:

Advanced Materials Research (Volumes 97-101)

Edited by:

Zhengyi Jiang and Chunliang Zhang

Pages:

1301-1305

DOI:

10.4028/www.scientific.net/AMR.97-101.1301

Citation:

J. M. Long et al., "The Microstructure of Polyaniline Coatings Electropolymerized on Pb Substrate in Aniline+Oxalic Acid Electrolyte", Advanced Materials Research, Vols. 97-101, pp. 1301-1305, 2010

Online since:

March 2010

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$35.00

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