Scientists have aligned two hexahelicenes in various orientations, theoretically examined, and proposed that S- and X-shaped double hexahelicenes aligned in right symmetry were a key to improve the properties of helicenes. The researchers then synthesized double hexahelicenes to demonstrate their improved chiroptical properties as chiral materials: circular dichroism and circularly polarized luminescence.
from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2018/07/180705110103.htm
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