화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2022년 봄 (04/06 ~ 04/08, 대전컨벤션센터)
권호 47권 1호
발표분야 콜로이드 및 분자조립 부문위원회
제목 Frank-Kasper mesoatomic crystals from apex-dependent dendron assembly
초록 We design and present a strategy to create Frank-Kasper (FK) phases from simple second-generation (G2) dendrons possessing different apex functionalities (Xs) that modulate core interactions among the apex groups. The dendrons of G2-X were synthesized by a convergent method and post-functionalized at terminal X to have CONH2, CH2OH, and CH2NH2 which are in decreasing order of core interactions (or H-bonding). With a versatile modular platform of G2-X, we seek to answer a question about how enthalpic and entropic contributions affect dendron assemblies. In-situ small-angle X-ray scattering (SAXS) and FT-IR spectroscopy are measured to trace temperature-dependent assembly phases with respect to the core interactions.
저자 전태석1, 박현준1, 장우동1, Byeongdu Lee2, 류두열3
소속 1연세대, 2Argonne National Laboratory, 3US
키워드 dendrons; assemblies; Frank-Kasper; sphere-packing
E-Mail dyryu@yonsei.ac.kr