Abstract
Abstract In a previous work, we demonstrated that an amidoamine amphiphile with a stearyl group as the alkyl chain (C18AA) and 12-hydroxystearic acid (HSA) can produce hydrogels consisting of self-assembled chiral nanofibers with a homogeneous helical structure. In this work, we investigate the effect of introducing a double bond into the alkyl chain, i.e., substituting the oleyl group for a stearyl group, on the formation of the hydrogel and the structure of the chiral nanofibers. Combining the amphiphile with the oleyl group (OleylAA) and HSA produced hydrogels, although the self-assembled chiral nanofibers in the hydrogels had a different composition, helical pitch, and diameter than those formed by C18AA and HSA mixtures. Further, we demonstrate that the chiral nanofibers can be used as a soft template for preparing chiral Au nanowires.
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