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Université de Neuchâtel

Ferrocene-Containing Optically Active Liquid-Crystalline Side-Chain Polysiloxanes with Planar Chirality

Brettar, Julie ; Bürgi, Thomas ; Donnio, Bertrand ; Guillon, Daniel ; Klappert, Rolf ; Scharf, Toral ; Deschenaux, Robert

In: Advanced Functional Materials, 2005, vol. 16, p. 260 - 267

Optically active liquid-crystalline side-chain polysiloxanes have been prepared by grafting planar chiral ferrocene-based vinyl monomers onto commercially available polyhydrosiloxane. Two ferrocene monomers have been synthesized: a linear-type monomer, which displays a monotropic chiral smectic C (SC*) phase and enantiotropic smectic A (SA) and chiral N (N*) phases, and a laterally...