Synthesis, structure and properties of novel TTF dimers bridged by two trisulfide chains

Citation
H. Fujiwara et al., Synthesis, structure and properties of novel TTF dimers bridged by two trisulfide chains, SYNTH METAL, 102(1-3), 1999, pp. 1739-1739
Citations number
1
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
SYNTHETIC METALS
ISSN journal
0379-6779 → ACNP
Volume
102
Issue
1-3
Year of publication
1999
Pages
1739 - 1739
Database
ISI
SICI code
0379-6779(199906)102:1-3<1739:SSAPON>2.0.ZU;2-O
Abstract
We synthesized novel TTF dimer molecules in which two TTF moieties are conn ected to each other by two trisulfide chains. Structure of tetrakis(methylt hio) derivative 1 is cyclophane-like one and interplanar distance in the di mer is 3.86 Angstrom. 1 shows two pairs of reversible one-electron redox wa ves (+0.57 and +0.67 V vs. Ag/AgCl in PhCN) and one pair of reversible two- electron redox wave (+1.15 V). The ClO4- salt of 1 has 1:2 (Donor:Anion) co mposition and is an insulator. On the other hand the PF6- salt of bis(trime thylene) derivative 2 has one-dimensional columnar donor array with 1:1 com position and shows semiconducting behavior(sigma(rt)=10(-1) Scm(-1)).