3D hierarchical architectures prepared by single exposure through a highly durable colloidal phase mask

Abstract

Three-dimensional hierarchical architectures are fabricated using a simple, cost-effective, durable colloidal phase mask containing a colloidal monolayer embedded in a flexible polydimethylsiloxane (PDMS) membrane. These structures give rise to a photonic bandgap that can be tuned over a wide spectral range from the visible to the near-infrared regions.

Keywords: 3D nanostructure; colloidal monolayer; phase mask; photonic crystal.