Double-Inverse-Opal Photonic Crystals: The Route to Photonic Bandgap Switching
✍ Scribed by T. Ruhl; P. Spahn; C. Hermann; C. Jamois; O. Hess
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 531 KB
- Volume
- 16
- Category
- Article
- ISSN
- 1616-301X
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**High refractive index contrast silicon colloidal photonic crystals** having a different topology to those previously reported have been synthesized. A new process of colloidal‐crystal templating based on micromolding in inverse silica opals (MISO) is used (see Figure), and photonic crystals so bui
## Abstract A reversible color change of a polyaniline‐infiltrated TiO~2~ inverse opal photonic crystal (PC) film can be obtained when the PC is switched from an acidic to alkali vapor environment. In a saturated NH~3~ environment, the stopband of the as‐prepared PCs changes from 556 to 688 nm; suc