Journal of the American Chemical Society 2012-11-07

Control over hierarchy levels in the self-assembly of stackable nanotoroids.

Shiki Yagai, Mitsuaki Yamauchi, Ai Kobayashi, Takashi Karatsu, Akihide Kitamura, Tomonori Ohba, Yoshihiro Kikkawa

Index: J. Am. Chem. Soc. 134(44) , 18205-8, (2012)

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Abstract

We report a precise control over the hierarchy levels in the outstanding self-organization process shown by chiral azobenzene dimer 1. This compound forms uniform toroidal nanostructures that can hierarchically organize into chiral nanotubes under the control by temperature, concentration, or light. The nanotubes further organized into supercoiled fibrils, which finally intertwined to form double helices with one-handed helical sense.