Issue 6, 2024

Reviving BVDT-TTF and EVT-TTF salts

Abstract

Herein are reported the synthesis, in-depth structural description and conducting properties of various salts of the symmetric bis-vinylenedithio-tetrathiafulvalene (BVDT-TTF) and dissymmetric ethylene-vinylenedithio-tetrathiafulvalene (EVT-TTF). Compared to the omnipresent bis-ethylenedithio-tetrathiafulvalene (BEDT-TTF) these two closely related and easily synthesizable organic donors have been reported ca. 200 times less in the literature. Four new structures of organic conductors are herein investigated and analysed through a battery of techniques, including X-ray analysis on single-crystals, conductivity measurements, Raman spectroscopy and band structure calculations. All materials exhibit semiconducting behaviours with conductivities in the 10−3 to 10−1 S cm−1 range at RT and ambient pressure. The impact of the structural or electronic disorder on the conductivity and dimensionality of the salts is examined.

Graphical abstract: Reviving BVDT-TTF and EVT-TTF salts

Supplementary files

Article information

Article type
Paper
Submitted
18 Jan 2024
Accepted
30 Jan 2024
First published
30 Jan 2024
This article is Open Access
Creative Commons BY-NC license

Mater. Adv., 2024,5, 2470-2481

Reviving BVDT-TTF and EVT-TTF salts

F. Solano, P. Auban-Senzier, B. Barszcz, A. Frąckowiak, I. Olejniczak, P. Alemany, E. Canadell, N. Zigon and N. Avarvari, Mater. Adv., 2024, 5, 2470 DOI: 10.1039/D4MA00054D

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