## This paper deals with the relation between polymerization time and poly(p-phenylene) (PPP) yield in the synthesis of PPP by the Kovacic method. It is found that the reaction is uniform in the polymerization time range of less than 2 hr, with a PPP yield of up to about 60%, and then the yield in
A study of poly(p-xylylene)-coated AsF5-doped polyacetylene
β Scribed by J. E. Osterholm; H. K. Yasuda; L. L. Levenson
- Publisher
- John Wiley and Sons
- Year
- 1982
- Tongue
- English
- Weight
- 465 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0021-8995
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β¦ Synopsis
Abstract
Electrical conductivity measurements and scanning electron microscopy have been used to study uncoated and poly(pβxylylene)βcoated samples of polyacetylene doped with AsF~5~. These initial results indicate a considerable reduction in the decay rate of conductivity in the presence of oxygen as well as a decreased rate of thermal decomposition of the dopant when heated between 50Β°C and 115Β°C in vacuum by the coating.
π SIMILAR VOLUMES
Electron spin resonance (ESR) and d.c. conductivity measurements on iodine-doped poly(Nvinylcarbazole) (PVK) as a function of annealing treatment was performed. When doped at room temperature as at 370 K, the appearance of an ESR signal and the increase of the conductivity can be explained by CT com