High Charge Mobility in
a Tetrathiafulvalene-Based
Microporous Metal–Organic Framework
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Abstract
The tetratopic ligand tetrathiafulvalene-tetrabenzoate
(H<sub>4</sub>TTFTB) is used to synthesize Zn<sub>2</sub>(TTFTB),
a new metal–organic
framework that contains columnar stacks of tetrathiafulvalene and
benzoate-lined infinite one-dimensional channels. The new MOF remains
porous upon desolvation
and exhibits charge mobility commensurate with some of the best organic
semiconductors, confirmed by flash-photolysis-time-resolved microwave
conductivity measurements. Zn<sub>2</sub>(TTFTB) represents the first
example of a permanently porous MOF with high charge mobility and
may inspire further exploration of the electronic properties of these
materials