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Inverse opals with a skeleton structure: Photonic crystals with two complete bandgaps

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons58521

Dong,  W. T.
Research Group Marlow, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Research Group Marlow, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Research Group Marlow, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons58443

Bongard,  H.
Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons59041

Tesche,  B.
Service Department Tesche (EM), Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Service Department Tesche (EM), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons58799

Marlow,  F.
Research Group Marlow, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Research Group Marlow, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Dong, W. T., Bongard, H., Tesche, B., & Marlow, F. (2002). Inverse opals with a skeleton structure: Photonic crystals with two complete bandgaps. Advanced Materials, 14(20), 1457-1460. doi:10.1002/1521-4095(20021016)14:20<1457:AID-ADMA1457>3.0.CO;2-P.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000F-9981-8
Abstract
A skeleton structure with a predicted bandgap between the 5th and 6th bands has been theoretically calculated (see Figure). Below the critical refractive index contrast, skeleton structures enable broader pseudogaps in the range of the 5th and 6th bands. The contrast required for this new gap is nearly the same (2.9) as that of the 8-9 gap of residual volume structures. A titania skeleton structure has been realized experimentally as shown on the cover.