Directing Dynamic Control of Red, Green, and Blue Reflection Enabled by a Light‐Driven Self‐Organized Helical Superstructure | Zendy

Li Quan | Zendy; Li Yannian | Zendy; Ma Ji | Zendy; Yang DengKe | Zendy; White Timothy J. | Zendy; Bunning Timothy J. | Zendy

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Directing Dynamic Control of Red, Green, and Blue Reflection Enabled by a Light‐Driven Self‐Organized Helical Superstructure

Author(s) -

Li Quan,

Li Yannian,

Ma Ji,

Yang DengKe,

White Timothy J.,

Bunning Timothy J.

Publication year - 2011

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201103362

Subject(s) - superstructure , materials science , reflection (computer programming) , wavelength , optics , optoelectronics , cholesteric liquid crystal , liquid crystal , nanotechnology , computer science , physics , programming language , thermodynamics

Two light‐driven chiral molecular switches possessing very high helical twisting powers were introduced into an achiral liquid crystal host enabling a self‐organized, tunable helical superstructure. Marrying reflection wavelength to the wavelength of irradiation offers a distinctive and novel means to simultaneously achieve red, green, and blue reflection colors in a single optical thin film. Photoaddressing of the material system allows for images to be retained, which are hidden with an applied electrical field and restored by application of a mechanical field.

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