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New conducting salts containing unsymmetrical π-donors

✍ Scribed by L. Giral; J.M. Fabre; A. Gouasmia

Book ID
104226400
Publisher
Elsevier Science
Year
1986
Tongue
French
Weight
238 KB
Volume
27
Category
Article
ISSN
0040-4039

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✦ Synopsis

This communication describes the synthesis and the electrochemical properties of a new type of donor containing sulfur or selenium atoms : the dimethyltetramethylenetetraselenafulvalene Land the dimethyltetramethylenetetrathiafulvalene _2_. The electrical conductivity of their charge transfer complexes and of some of their radical cation salts are reported. The discovery of a superconducting state in a series of TMTSF radical cation salts-has stimulated research in the preparation of new JT -donors of the fulvalene type. A partial understanding of the origin of the electrical conductivity of such systems and the identification of some factors responsible of this property 2, 3 have prompted us to prepare the

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✍ J.M. Fabre; A.K. Gousmia; L. Giral; D. Chasseau 📂 Article 📅 1988 🏛 Elsevier Science 🌐 French ⚖ 264 KB

laboratoire de Cristallographie L.A. 144 UNIVERSITR DE BORDEAUX I 33405 TAlENCE) -Cl! : A number of unsymmetrically substituted tetraheterofulvalenes have been prepared. Their half wave potentials have been measured by cyclic voltsmmetry and compared with that of TTF. Their perchlorate and hexafluo