title: Smart pattern display by tuning the surface plasmon resonance of hollow nanocone arrays.
abstract: Patterns of hollow nanocone array films can be hidden in air and made to appear due to a solvent, enabling a smart method to hide information that can be recovered by a change of the environment.
authors.affiliation: State Key Lab of Supramolecular Structure and Materials, College of Chemistry Jilin University, Changchun 130012, P.R. China. gang@jlu.edu.cn.
authors.forename: Bin
authors.initials: B
authors.lastname: Ai
authors.forename: Helmuth
authors.initials: H
authors.lastname: Möhwald
authors.forename: Gang
authors.initials: G
authors.lastname: Zhang