title: Reversible crosslinking density stimulated diffraction wavelength tuning of hydrogel-encapsulated crystalline colloidal arrays.
abstract: The reversible variation in the observed stop band of a hydrogel-encapsulated crystalline colloidal array was achieved through the selective formation and destruction of -S-Pb-S- linkages within the hydrogel. A reversible 45 nm stop band shift could be achieved with a cyclical treatment of Pb(2+) and then dithiothreitol solution.
authors.affiliation: Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, PR China.
authors.forename: Ye
authors.initials: Y
authors.lastname: Dai
authors.forename: Hua
authors.initials: H
authors.lastname: Bao
authors.forename: Jiaping
authors.initials: J
authors.lastname: Lin
authors.forename: Parul
authors.initials: P
authors.lastname: Rungta
authors.forename: Stephen H
authors.initials: SH
authors.lastname: Foulger