An approach towards the growth of polyaniline nanograins by electrochemical route

Dattatray Dhawale, R. R. Salunkhe, V. S. Jamadade, T. P. Gujar, C. D. Lokhande

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

The growth of electropolymerized polyaniline nanograins has been carried out from aqueous solution of 0.45 M aniline (C6H5NH2) + 0.5 M H2SO4. These polyaniline nanograins were characterized using Raman spectroscopy, field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), contact angle measurement and optical studies. The presence of characteristic bonds of polyaniline was observed from Raman shift experiment. Based on field emission scanning electron microscopy and transmission electron microscopy analysis, the formation of the polyaniline nanograins with average diameter of about 50 nm was inferred. Surface of the polyaniline film was hydrophilic with contact angle 17 ± 1°. A blue shift of 0.30 eV with characteristic absorption peak at 427 nm has been attributed due to quantized size of polyaniline nanograins.

Original languageEnglish
Pages (from-to)8213-8216
Number of pages4
JournalApplied Surface Science
Volume255
Issue number19
DOIs
Publication statusPublished - 15 Jul 2009
Externally publishedYes

Fingerprint

Polyaniline
Field emission
Contact angle
Transmission electron microscopy
Scanning electron microscopy
Aniline
Angle measurement
Raman spectroscopy
polyaniline
Experiments

Keywords

  • Electrodeposition
  • Nanograins
  • Polyaniline
  • Thin films

ASJC Scopus subject areas

  • Surfaces, Coatings and Films

Cite this

An approach towards the growth of polyaniline nanograins by electrochemical route. / Dhawale, Dattatray; Salunkhe, R. R.; Jamadade, V. S.; Gujar, T. P.; Lokhande, C. D.

In: Applied Surface Science, Vol. 255, No. 19, 15.07.2009, p. 8213-8216.

Research output: Contribution to journalArticle

Dhawale, Dattatray ; Salunkhe, R. R. ; Jamadade, V. S. ; Gujar, T. P. ; Lokhande, C. D. / An approach towards the growth of polyaniline nanograins by electrochemical route. In: Applied Surface Science. 2009 ; Vol. 255, No. 19. pp. 8213-8216.
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