Benzo[c]thiophene Chromophores Linked to Cationic Fe and Ru Derivatives for NLO Materials: Synthesis Characterization and Quadratic Hyperpolarizabilities - Silva, Tiago J. L.; Mendes, Paulo J.; Garcia, M. Helena; Robalo, M. Paula; Prates Ramalho, J. P.; Palace Carvalho, A. J.; Büchert, Marina; Wittenburg, Christian; Heck, Jürgen (2013)