A study of conducting polymer morphology; The effect of dopant anions upon order
- Rockwell International Corp., Thousand Oaks, CA (USA)
- Naval Air Development Center, Warminster, PA (USA)
The authors discuss a series of freestanding conducting polypyrrole and poly-3-methylthiophene films prepared and examined by x-ray diffraction and transmission electron microscopy (TEM). The degree of order observed polypyrroles was highly dependent upon the incorporated dopant'' anions and also on deposition conditions. Examination of a large variety of dopant systems showed that substituted benzenesulfonate and long aliphatic chain monoanions imparted the highest order, and chemically prepared polypyrroles were less ordered than their electrochemical counterparts. Doped poly-3-methylthiophene exhibited comparable order, yet was less flexible in its ability to incorporate large dopant anions. Crystalline phases were detected by electron diffraction in some polymer systems.
- OSTI ID:
- 5176907
- Journal Information:
- Journal of the Electrochemical Society; (USA), Journal Name: Journal of the Electrochemical Society; (USA) Vol. 136:8; ISSN JESOA; ISSN 0013-4651
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
360602* -- Other Materials-- Structure & Phase Studies
360603 -- Materials-- Properties
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400400 -- Electrochemistry
ANIONS
AZOLES
CHARGED PARTICLES
CHEMISTRY
COHERENT SCATTERING
DIFFRACTION
DOPED MATERIALS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTROCHEMISTRY
ELECTRON MICROSCOPY
FILMS
HETEROCYCLIC COMPOUNDS
IONS
MATERIALS
MICROSCOPY
MORPHOLOGY
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PHASE STUDIES
PHYSICAL PROPERTIES
POLYMERS
PYRROLES
SCATTERING
SULFONATES
THIN FILMS
TRANSMISSION ELECTRON MICROSCOPY
X-RAY DIFFRACTION