Comparing and Contrasting the Effects of Iodine Doping on Different Types of Polyacetylene Films

A comparison between Shirakawa polyacetylene or S-(CH) x , Naarmann polyacetylene or N-(CH) x , and Tsukamoto polyacetylene or ν-(CH) x during iodine vapor phase doping has been made. Thin films of each type of polyacetylene were polymerized directly onto quartz crystal substrates. The quartz crysta...

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Bibliographic Details
Published in:Macromolecules 1996-01, Vol.29 (2), p.546-552
Main Authors: Hall, James W, Arbuckle, Georgia A
Format: Article
Language:English
Subjects:
Applied sciences
Electrical, magnetic and optical properties
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Properties and characterization
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Summary:A comparison between Shirakawa polyacetylene or S-(CH) x , Naarmann polyacetylene or N-(CH) x , and Tsukamoto polyacetylene or ν-(CH) x during iodine vapor phase doping has been made. Thin films of each type of polyacetylene were polymerized directly onto quartz crystal substrates. The quartz crystal microbalance (QCM) is used to measure the mass change during doping (oxidation) of polyacetylene with iodine in the vapor phase. For the same mass of dopant, the highest conductivity is observed for ν-(CH) x . The most dense polyacetylene, ν-(CH) x , has the smallest diffusion coefficient on the order of 10-14 cm2/s. The diffusion coefficient for short times (
ISSN:0024-9297
1520-5835
DOI:10.1021/ma946424t