β-Octakis(methylthio)porphycenes: synthesis, characterisation and third order nonlinear optical studies

Abstract

A novel electron deficient β-octakis(methylthio)porphycene, along with its Zn(II) and Ni(II) derivatives, was synthesized for the first time. The macrocyclic structure exhibits core ruffling with a largely red shifted absorption band (∼750 nm) and also a large enhancement in the third order nonlinear optical response.