Abstract
The production of a variety of PMO materials made with 1,1′-biphenylene monomers, and the inclusion of 1,1′-binaphthalene dopants is described. The effect of the point of attachment with regard to the biaryl axis was studied, and it was found that the highest level of chirality transfer is obtained when the biaryl axis is not restricted by the polymerization point. In addition, the actual loading of dopant was found to vary considerably depending on the synthesis procedure, and the effect of dopant, even at low level, was magnified under basic conditions when more ordered materials are produced.
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