Single crystal conductivity of bipyridine-TCNQ salts
✍ Scribed by G. Mihály; K. Ritvay-Emandity; A. Jánossy; K. Holczer; G. Grüner
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 354 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0038-1098
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The magnetic susceptibility has been determined for CuL,(TCNQ-)2 (L = 2,2'-bipyridine, l,lO-phenanthroline, or ethylenediamme; n = 1 or 2), having high electric conductivity. The results show that the Cu\*+L chelates are partially reduced to Cu+L, in the complexes\_ The equilibrium Cu2\*L,(TCNQ\_)a
Polarized reflection spectra of a K-TCNQ single cmstal have been measured at 27,295 and 413 I;. The absorption spectra were derived from the observed reflection spectra by Kramer+-Kronig transformation. At 27 K. the near-infrared absorption band u hich is associated with the charge transfer between
The infrared spectra (400-7000 cm 21 ) of three composites based on salts of tetracyano-pquinodimethane (TCNQ) and methyl-TCNQ with N-alkyl-isoquinolinium cations are measured as a function of temperature (up to about 450 K). The influence of composite melting on the charge transfer and vibrational