Abstract

Using chiral dopant and monomer in specific concentrations, a high-contrast bistable light shutter using reverse-mode polymer-stabilized dual-frequency cholesteric textures was successfully developed. On applying a low/high-frequency electric field, the light shutter was switched between transparent and non-transparent states, which were maintained even after the electric field was removed. Therefore, the proposed light shutter is extremely energy efficient and can be incorporated into the construction of smart windows for green buildings.

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