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Voltammetric study of organic metals—II. The effect of solvent variation on electrochemically grown crystals of organic charge-transfer complexes

Authors
Journal
Electrochimica Acta
0013-4686
Publisher
Elsevier
Publication Date
Volume
38
Issue
15
Identifiers
DOI: 10.1016/0013-4686(93)80118-j
Keywords
  • Organic Metal
  • Bedt-Ttf
  • Trihalide
  • Electrochemical Synthesis
  • Solvent Effect
Disciplines
  • Chemistry

Abstract

Abstract Crystals of organic charge-transfer complexes were grown by electrochemical oxidation of bis(ethylenedithio)-tetrathiafulvalene (BEDT-TTF) in the presence of trihalide anions in various solvents. In order to find the optimal conditions to grow the large, good quality crystals necessary for the study of solid-state electronic properties of these “organic metals”, the electrochemical behaviors of BEDT-TTF and several trihalide anions in various organic solvents were studied by means of cyclic voltammetry. The oxidation potential of BEDT-TTF, stability of the BEDT-TTF monocation radical and the redox behavior of various anions at the oxidation potential of BEDT-TTF in various solvents were studied. The cv data along with data from the crystal growth experiments were used to understand the solvent effect on the electrochemical synthesis of organic metals.

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