This work was supported by a grant from the Creative Research Initiative Program of the Ministry of Education, Science, and Technology for “Complementary Hybridization of Optical and Fluidic Devices for Integrated Optofluidic Systems.” We thank Dr. Se-Heon Kim at the California Institute of Technology for useful discussions.
Robust Chirped Photonic Crystals Created by Controlled Colloidal Diffusion†
Article first published online: 14 SEP 2011
Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Angewandte Chemie International Edition
Volume 50, Issue 49, pages 11649–11653, December 2, 2011
How to Cite
Kim, S.-H., Jeong, W. C., Hwang, H. and Yang, S.-M. (2011), Robust Chirped Photonic Crystals Created by Controlled Colloidal Diffusion. Angew. Chem. Int. Ed., 50: 11649–11653. doi: 10.1002/anie.201104480
- Issue published online: 28 NOV 2011
- Article first published online: 14 SEP 2011
- Manuscript Received: 29 JUN 2011
- Ministry of Education, Science, and Technology
- colloidal crystals;
- photonic crystals
An on-chip spectrometer: Chirped 3D photonic crystals have been created using colloidal particle diffusion in a photocurable medium. The variations in the lattice constant created a color gradient that spanned the entire visible range. By combining the functionality of chirped photonic crystals with a complementary metal-oxide-semiconductor sensor array, a miniaturized spectrometer system is developed (see picture).