Azulenylium and guaiazulenylium cations as novel accepting moieties in extended sesquifulvalene type D–π–A NLO chromophores†
Abstract
The novel series of monometallic monocations Fc-[n]-Az+ and Fc-[n]-Guaz+ (where Az+ and Guaz+ denote azulenylium and guaiazulenylium