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Reviving and salts
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DOI：10.1039/d4ma00054d.png)
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摘要
En 中文
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.
Keyword:
PRESSURE ORGANIC SUPERCONDUCTOR
DENSITY-FUNCTIONAL THEORY
BEDT-TTF SALTS
AMBIENT-PRESSURE
MOTT TRANSITION
ELECTRICAL CONDUCTIVITIES
ELECTRONIC-STRUCTURES
DERIVATIVES
BIS(VINYLENEDITHIO)TETRATHIAFULVALENE
CRYSTAL
期刊
IF:
4.7
论文数:
1.1K
被引数:
1.4W
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