화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2015년 봄 (04/08 ~ 04/10, 대전컨벤션센터)
권호 40권 1호
발표분야 기능성 고분자
제목 Microencapsulation of cholesteric liquid crystals (CLCs) toward flexible photonic applications
초록 Cholesteric liquid crystals (CLCs) exhibit a photonic stop band due to their helical structure; a periodic modulation of ordinary and extraordinary refractive indices along the helical axis yields one-dimensional photonic band gap (PBG). However, the fluidity severely limits the ease of processing and structural stability, thereby restricting their flexible applications. One way to overcome the limitations is to encapsulate CLCs in microcontainers; microcapsules can be easily processed and reconfigured to construct photonic devices.. Here we have introduced several methods for CLC microencapsulation including interfacial polymerization, complex coacervation, and microfluidic system. And the optical properties of CLCs encapsulated in various polymer systems are investigated according to the temperature, concentration of chiral dopants and encapsulation methods.
저자 김윤호1, 김아련1, 김수경1, 이상석2, 김신현2
소속 1한국화학(연), 2한국과학기술원
키워드 Liquid crystal; Microencapsulation; Flexible; Photonic device
E-Mail