We describe the protocol that we have elaborated in order to obtain monosize polystyrene spheres. Starting from these spheres a simple and effective method, based on spin-coating technique, was developed to realize colloidal photonic crystal structures. The process produces compact 3D arrays of polystyrene microspheres (opals) that are organized into crystalline lattices. This process offers the ability to rapidly form 3D photonic crystals using inexpensive instrumentation, which makes it attractive for an array of applications. Process parameters, fabricated structures, and their experimental characterization are presented. (C) 2009 Elsevier B.V. All rights reserved.
An alternative method to obtain direct opal photonic crystal structures / Chiappini, A; Armellini, C; Chiasera, A; Ferrari, M; Fortes, L; Goncalves, Mc; Guider, R; Jestin, Y; Retoux, R; Conti, Gn; Pelli, S; Almeida, Rm; Righini, Gc. - In: JOURNAL OF NON-CRYSTALLINE SOLIDS. - ISSN 0022-3093. - 355:18-21(2009), pp. 1167-1170. [10.1016/j.jnoncrysol.2009.01.054]
An alternative method to obtain direct opal photonic crystal structures
Chiasera A;
2009-01-01
Abstract
We describe the protocol that we have elaborated in order to obtain monosize polystyrene spheres. Starting from these spheres a simple and effective method, based on spin-coating technique, was developed to realize colloidal photonic crystal structures. The process produces compact 3D arrays of polystyrene microspheres (opals) that are organized into crystalline lattices. This process offers the ability to rapidly form 3D photonic crystals using inexpensive instrumentation, which makes it attractive for an array of applications. Process parameters, fabricated structures, and their experimental characterization are presented. (C) 2009 Elsevier B.V. All rights reserved.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione
