4.5 Article

First molecular conductors with 8,8′-dibromo cobalt bis(dicarbollide) anion

Journal

SOLID STATE SCIENCES
Volume 10, Issue 12, Pages 1734-1739

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.solidstatesciences.2008.03.016

Keywords

Molecular conductors; 8,8 '-Dibromo cobalt bis(dicarbollide); Bis(ethylenedithio)-tetrathiafulvalenium; Bis(niethylenedithio)-tetrathiafulvalenium; Crystal structure; Electrical conductivity

Funding

  1. Russian Foundation for Basic Research [07-03-00712, 08-03-00668]
  2. Council on Grants of the Russian Federation President [MK-190.2007.3]
  3. Sciences Development of Methods of Synthesis of Chemical Compounds and Design of New Materials

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New molecular conductors on the base of 8,8'-dibromo cobalt bis(dicarbollide) anion, (BEDT-TTF)(2)[8,8'-Br-2-3,3'-Co(1,2-C2B9H10)(2)] (1), (BEDT-TTF)[8,8'-Br-2-3,3'-Co(1,2-C2B9H10)(2)] (2) and (BMDT-TTF)(4)[8,8'-Br-2-3,3'-Co(1,2-C2B9H10)(2)] (3) were synthesized and their crystal structures and electrical conductivities were determined. All the radical cation salts prepared were found to be semiconductors. The introduction of two bromine atoms in the cobalt bis(dicarbollide) anion produces a strong effect on crystal structure and electrical conductivity of the prepared materials. (C) 2008 Elsevier Masson SAS. All rights reserved.

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