New conductive polymeric materials

Cofacial assembly of mixed valent metallomacrocycles

Tobin J Marks, Karl F. Schoch, Bhagyashree R. Kundalkar

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

This paper reports on an approach to control molecular stacking interactions in low-dimensional mixed valence materials by locking partially oxidized metallomacrocycles together in a cofacial orientation. Iodine doping of the face-to-face linked oligomers [M(Pc)O]n (M = Si, Ge, Sn; Pc = phthalocyaninato) produces electrically conductive polymers {[M(Pc)O]Ixn with a wide range of x stoichiometries. Resonance Raman spectroscopy indicates that the iodine has oxidized the polymer chain. Polymer structure has been studied by X-ray powder diffraction, and it is possible to estimate interplanar spacings. Halogen doping of the [M(Pc)O]n materials is accompanied by electrical conductivity increases as large 107 (ohm cm)-1; the general trend is σSi {greater-than or approximate} σGe > σSn. Variable temperature conductivity and magnetic susceptibility data are reported.

Original languageEnglish
Pages (from-to)337-347
Number of pages11
JournalSynthetic Metals
Volume1
Issue number3
DOIs
Publication statusPublished - 1980

Fingerprint

Conductive materials
Polymers
assembly
Iodine
iodine
polymers
Doping (additives)
magnetic permeability
Halogens
Magnetic susceptibility
oligomers
Oligomers
Stoichiometry
halogens
X ray powder diffraction
locking
Raman spectroscopy
stoichiometry
spacing
valence

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Polymers and Plastics

Cite this

New conductive polymeric materials : Cofacial assembly of mixed valent metallomacrocycles. / Marks, Tobin J; Schoch, Karl F.; Kundalkar, Bhagyashree R.

In: Synthetic Metals, Vol. 1, No. 3, 1980, p. 337-347.

Research output: Contribution to journalArticle

Marks, Tobin J ; Schoch, Karl F. ; Kundalkar, Bhagyashree R. / New conductive polymeric materials : Cofacial assembly of mixed valent metallomacrocycles. In: Synthetic Metals. 1980 ; Vol. 1, No. 3. pp. 337-347.
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