title: Reversible reflection color-control in smectic liquid crystal switched by photo-isomerization of azobenzene.
abstract: Through the looking glass: A reflection color transition is demonstrated in a smectic liquid crystal doped with a photochromic azobenzene and a chiral agent with high helical twisting power. The reflection color can be switched reversibly due to the isomerization of azobenzene upon UV/visible irradiation.
authors.affiliation: School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, China.
authors.forename: Jingjing
authors.initials: J
authors.lastname: Guan
authors.forename: Mingzhi
authors.initials: M
authors.lastname: Zhang
authors.forename: Wei
authors.initials: W
authors.lastname: Gao
authors.forename: Huai
authors.initials: H
authors.lastname: Yang
authors.forename: Guojie
authors.initials: G
authors.lastname: Wang