Electro-mechano-optical Characteristics of Chiral Photonic Gels
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초록
내용
Chiral liquid crystals (CLCs) self-organize a helical structure of periodic dielectric tensor at the nanometer scale. The helical structure of CLCs results in modulation of electromagnetic light propagation when the periodicity has matched the wavelength of the light. When CLCs are templated using reactive mesogenic elastomer, chiral photonic gels (CPGs) can be obtained. CPGs have further tunable properties against various external stimuli, such as temperature, electric field, and mechanical deformation. Especially, the electrically controllable mechanochromic response of CPGs is particularly interesting for practical use of electro-optic applications. In this work, we investigated the spectrum study of the electro-mechano-optical response and remarkable stability of the hybrid structure which consisted of stretchable CPGs and electrically controllable dielectric elastomer actuator.