Authors:
Mikihiro Hayashi, Kazuya Otsubo, Tatsuhisa Kato, Kunihisa Sugimoto, Akihiko Fujiwarad and Hiroshi Kitagawa
Abstract:
We present the first report of a compact, planar and low-energy-gap molecule based on a π-conjugated bimetal system comprising a tetrathiooxalate (tto) skeleton. The observed low HOMO–LUMO energy gap (1.19 eV) is attributed to its donor–acceptor–donor (D–A–D) nature because the tto skeleton acts as an electron acceptor as well as a tiny and noninnocent bridging moiety.
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