Selenophenes quinoidal

This chapter outlines the scope and limitations of selenophenes as advanced electronic materials and includes current topics of functionalized selenophenes and quinoidal selenophenes, which are roughly classified into conducting, electroactive and field effect transistor (FET) materials. 

Another electron-accepting quinoid selenophene is 35, with a unique [3]radialene Iramework developed by Takahashi and Tarutani [80]. It has strong electron-accepting ability comparable to that of TCNQ and forms charge-transfer complexes with TTF and tetrathiotetracene, which have extraordinarily high conductivities of 420 and 450 Scm", respectively. 

Selenophenes as Hetero-analogues of Thiophene-based Materials 329 6.3.3 Electron-donating quinoidal selenophenes... 

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