7 October 2014 New twist on the helical nanofilament phase of bent-core liquid crystals
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Abstract
Recent cryo-TEM studies in the helical nanofilament (HNF) phase of several bent-core liquid crystal materials having blue structural color showed that in subsequent layers the nanofilaments twist with respect to each other by about 37º angle, leading to a secondary helical structure that can explain their opal appearance. In this paper, after summarizing these observations, we show additional features that help understanding why the same bent-core homologs P-n-O-PIMB with n ≥ 9 do not show structural color.
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C. Zhang, O. D. Lavrentovich, A. Jákli, "New twist on the helical nanofilament phase of bent-core liquid crystals", Proc. SPIE 9182, Liquid Crystals XVIII, 91820Q (7 October 2014); doi: 10.1117/12.2062756; https://doi.org/10.1117/12.2062756
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