Highly conducting polyacetylene

N. Theophilou; D. B. Swanson; A. G. Macdiarmid; A. Chakraborty; H. H.S. Javadi; R. P. McCall; S. P. Treat; F. Zuo; A. J. Epstein

doi:10.1016/0379-6779(89)90671-1

Highly conducting polyacetylene

N. Theophilou, D. B. Swanson, A. G. Macdiarmid, A. Chakraborty, H. H.S. Javadi, R. P. McCall, S. P. Treat, F. Zuo, A. J. Epstein

Research output: Contribution to journal › Article

38 Scopus citations

Abstract

"New"-(CH) _x and "ARA" (i.e. Additional Reducing Agent)-(CH)_x have been synthesized at room temperature. "New"-(CH)_x is formed by polymerizing acetylene on flat polymeric or glass substrates using an AlEt₃/Ti (n-BuO)₄ catalyst in silicone oil which has previously been heat-treated. Additional reducing agents may be added to the catalyst after its thermal treatment to produce "ARA"-(CH)_x. The stretch-oriented "New"-(CH)_x polymerized on glass and "ARA"-(CH)_x polymerized on polyethylene can be p-doped with I₂/CCl₄ to give conductivities of ∼50,000 and ∼75,000 S/cm respectively. Optical absorption, photoinduced infrared absorption, magnetic susceptibility and conductivity studies on selected forms of the above doped and undoped types of (CH)_x are discussed. The electronic structure of highly conducting "New"-and "ARA"-(CH)_x is observed to be essentially identical to that of conventional Shirakawa-(CH)_x.

Original language	English (US)
Pages (from-to)	D35-D42
Journal	Synthetic Metals
Volume	28
Issue number	3
DOIs	https://doi.org/10.1016/0379-6779(89)90671-1
State	Published - Feb 20 1989
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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Theophilou, N., Swanson, D. B., Macdiarmid, A. G., Chakraborty, A., Javadi, H. H. S., McCall, R. P., Treat, S. P., Zuo, F., & Epstein, A. J. (1989). Highly conducting polyacetylene. Synthetic Metals, 28(3), D35-D42. https://doi.org/10.1016/0379-6779(89)90671-1

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author = "N. Theophilou and Swanson, {D. B.} and Macdiarmid, {A. G.} and A. Chakraborty and Javadi, {H. H.S.} and McCall, {R. P.} and Treat, {S. P.} and F. Zuo and Epstein, {A. J.}",

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doi = "10.1016/0379-6779(89)90671-1",

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T1 - Highly conducting polyacetylene

AU - Theophilou, N.

AU - Swanson, D. B.

AU - Macdiarmid, A. G.

AU - Chakraborty, A.

AU - Javadi, H. H.S.

AU - McCall, R. P.

AU - Treat, S. P.

AU - Zuo, F.

AU - Epstein, A. J.

PY - 1989/2/20

Y1 - 1989/2/20

N2 - "New"-(CH) x and "ARA" (i.e. Additional Reducing Agent)-(CH)x have been synthesized at room temperature. "New"-(CH)x is formed by polymerizing acetylene on flat polymeric or glass substrates using an AlEt3/Ti (n-BuO)4 catalyst in silicone oil which has previously been heat-treated. Additional reducing agents may be added to the catalyst after its thermal treatment to produce "ARA"-(CH)x. The stretch-oriented "New"-(CH)x polymerized on glass and "ARA"-(CH)x polymerized on polyethylene can be p-doped with I2/CCl4 to give conductivities of ∼50,000 and ∼75,000 S/cm respectively. Optical absorption, photoinduced infrared absorption, magnetic susceptibility and conductivity studies on selected forms of the above doped and undoped types of (CH)x are discussed. The electronic structure of highly conducting "New"-and "ARA"-(CH)x is observed to be essentially identical to that of conventional Shirakawa-(CH)x.

AB - "New"-(CH) x and "ARA" (i.e. Additional Reducing Agent)-(CH)x have been synthesized at room temperature. "New"-(CH)x is formed by polymerizing acetylene on flat polymeric or glass substrates using an AlEt3/Ti (n-BuO)4 catalyst in silicone oil which has previously been heat-treated. Additional reducing agents may be added to the catalyst after its thermal treatment to produce "ARA"-(CH)x. The stretch-oriented "New"-(CH)x polymerized on glass and "ARA"-(CH)x polymerized on polyethylene can be p-doped with I2/CCl4 to give conductivities of ∼50,000 and ∼75,000 S/cm respectively. Optical absorption, photoinduced infrared absorption, magnetic susceptibility and conductivity studies on selected forms of the above doped and undoped types of (CH)x are discussed. The electronic structure of highly conducting "New"-and "ARA"-(CH)x is observed to be essentially identical to that of conventional Shirakawa-(CH)x.

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