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Optically intensity-driven reversible photonic bandgaps in self-organized helical superstructures with handedness inversion

Abstract

An optically intensity-driven self-organized helical superstructure was found to exhibit reversibly dynamic bandgap shifting, broad-width bandgap and hyper-reflection bandgap in one system. According to the UV-intensity dependence of the photo-isomerization ratio of chiral molecular motor, the specialized arrangement of helical pitch with chiral handedness inversion can be directly obtained along the direction of helical axis upon ultraviolet exposure, which can be evidently observed in liquid-crystalline polymer composite.

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Publication details

The article was received on 02 Feb 2017, accepted on 16 Mar 2017, published on 16 Mar 2017 and first published online on 16 Mar 2017


Article type: Communication
DOI: 10.1039/C7TC00534B
Citation: J. Mater. Chem. C, 2017, Accepted Manuscript
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    Optically intensity-driven reversible photonic bandgaps in self-organized helical superstructures with handedness inversion

    J. Sun, L. Yu, L. Wang, C. Li, Z. Yang, W. He, C. Zhang, L. Zhang, J. Xiao, X. Yuan, F. Li and H. Yang, J. Mater. Chem. C, 2017, Accepted Manuscript , DOI: 10.1039/C7TC00534B

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