Electrolyte Effects on the Cyclic Voltammetry of TCNQ (Tetracyanoquinodimethane) and TCNE (Tetracyanoethylene).

Abstract

In aprotic solvents the electrochemical reduction of tetracyanoquinodimethane (TCNQ) and electrochemical reduction of tetracyanoquinodimethane (TCNQ) and tetracyanoethylene (TCNE) takes place in two distinct one-electron steps. A radical anion is formed in the first step, and at much more negative potentials a further electron-transfer takes place to form a dianion. The first reduction step of TCNE and both reduction steps of TCNQ are very fast. The radical anions and dianions are stable in aprotic and oxygen-free solutions, except that the dianions and neutral molecules can reproportionate to form two radical anions. In this note we report a study by cyclic voltammetry of the reductions of TCNQ and TCNE to their radical anions and dianions at platinum and glassy carbon electrodes in acetonitrile.

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Document Details

Document Type
Technical Report
Publication Date
Jul 30, 1986
Accession Number
ADA193749

Entities

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  • John K. Foley
  • S. B. Khoo
  • Stanley Pons

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  • University of Utah

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