ORGANIC CONDUCTING MATERIALS BASED ON HETEROCYCLIC COMPOUNDS WITH OXYGEN, SULFUR, SELENIUM AND NITROGEN

Abstract

IN THIS THESIS WE REPORT THE SYNTHESIS OF THREE CLASSES Π-DONORS MOLECULES, TTFTYPE. THE FIRST CLASS ARE DONORS CONTAINING ONE ETHYLENEDIOXY GROUP. MANY RADICAL SALTS OF THESE DONORS CRYSTALLIZE IN A NEW STRUCTURAL PHASE, THE SO-CALLED R-PHASE. THE SECOND CLASS ARE DONORS WITH THE SAME MOLECULAR SKELETON AS BEDTTTF (OR ET) BUT WITH ONE OR TWO SULFUR ATOMS OF THE TTF CORE REPLACED BY SELENIUM ATOMS. MOST OF THESE DONORS' CATION RADICAL SALTS ARE ISOSTRUCTURAL WITHTHE RESPECTIVE SALTS OF ET, BUT THEY ARE NOT SUPERCONDUCTING. THE THIRD CLASSARE DONORS LONGER THAN THE ALREADY KNOWN. THE RADICAL SALTS OF THESE DONORS DO NOT PRODUCE GOOD QUALITY CRYSTALS APPROPRIATE FOR STUDY OF THEIR PHYSICAL PROPERTIES.

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DOI
10.12681/eadd/3195
Handle URL
http://hdl.handle.net/10442/hedi/3195
ND
3195
Alternative title
ΟΡΓΑΝΙΚΑ ΑΓΩΓΙΜΑ ΥΛΙΚΑ ΠΟΥ ΒΑΣΙΖΟΝΤΑΙ ΣΕ ΕΤΕΡΟΚΥΚΛΙΚΕΣ ΕΝΩΣΕΙΣ ΜΕ ΟΞΥΓΟΝΟ, ΘΕΙΟ, ΣΕΛΗΝΙΟ ΚΑΙ ΑΖΩΤΟ
Author
Lagouvardos, Dimitrios (Father's name: J.)
Date
1994
Degree Grantor
National and Kapodistrian University of Athens
Committee members
ΛΑΠΑΤΣΑΝΗΣ ΛΟΥΚΑΣ
ΠΑΠΑΙΩΑΝΝΟΥ ΙΩΑΝΝΗΣ
ΠΑΡΑΣΚΕΥΑΣ ΣΠΥΡΙΔΩΝ
ΓΙΩΤΑΚΗΣ ΑΘΑΝΑΣΙΟΣ
ΠΝΕΥΜΑΤΙΚΑΚΗΣ ΓΕΩΡΓΙΟΣ
ΜΕΡΤΗΣ ΚΩΝΣΤΑΝΤΙΝΟΣ
ΕΥΣΤΑΘΙΟΥ ΚΩΝΣΤΑΝΤΙΝΟΣ
Discipline
Natural Sciences
Chemical Sciences
Keywords
CATION RADICAL SALTS; ORGANIC CONDUCTORS; ORGANIC SUPERCONDUCTORS; TETRACHALCOGENAFULVALENES; Π-DONORS
Country
Greece
Language
Greek
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