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Tetrathiafulvalene. XVI. Spektroskopische und elektrische Eigenschaften von TTF und TTF-TCNQ-Komplexen

✍ Scribed by Dr. G. Schukat; Prof. Dr. E. Fanghänel; Dr. A. Chyla

Publisher
John Wiley and Sons
Year
1982
Tongue
English
Weight
373 KB
Volume
324
Category
Article
ISSN
1615-4150

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✦ Synopsis

Tetrathiafulvalenes. XVI. Spectroscopic and Electrical Properties of TTF and TTF‐TCNQ‐Complexes

UV‐vis‐spectra of mono‐ and dications of the TTF 2 show in comparison to those of TTF 1 and 3 that the aryl substituent in the TTF 2 is more twisted from the TTF‐plane than in 1 and 3. Absorption maxima of mono‐ and dications from TTF 1 and 3 lie at a significantly greater wavelength than absorption maxima of mono‐ and dications from TTF 2, because a better electronic interaction between substituents in the aryl‐group and the positively charged dithiolium‐ring is possible. TCNQ‐complexes of smoother TTF 3 also have a higher electrical conductivity than TCNQ‐complexes of 2.

📜 SIMILAR VOLUMES

Tetrathiafulvalene. XX. Charge-Transfer,
Tetrathiafulvalene. XX. Charge-Transfer, Radikalkonzentration und elektrische Eigenschaften von TTF und TSF-TCNQ-Komplexen
✍ Prof. Dr. E. Fanghänel; Dr. G. Schukat; Dipl.-Chem. J. Schützendübel; SDipl.-Che 📂 Article 📅 1983 🏛 John Wiley and Sons 🌐 English ⚖ 227 KB

**Tetrathiafulvalenes XX. Charge‐Transfer, Radical Concentration and Electrical Properties of TTF‐ and TSF‐TCNQ‐Complexes** For TTF‐TCNQ‐complexes the spin density increases with a higher degree of CT, estimated from the value of C‐N‐vibration in TNCQ. The dihydronaphthocondensed cis‐ and trans‐TSF