Self-assembly of plasmonic/excitonic silicon nanocrystals into photonic crystals

Jihua Yang, Nicolaas J. Kramer, Christopher J. Hogan, Uwe R. Kortshagen

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In this work, photonic crystals of plasmonic/excitonic semiconductor nanocrystals (NCs) were assembled from non-thermal plasma-synthesized boron (B)-doped silicon (Si) NCs. The photonic crystals form an inverse opal structure with larger refractive index than the conventional crystals made from silica nanoparticles and are aimed at controlling light propagation via excitonic and plasmonic absorption of the B-doped Si NC as well as the photonic band gap of the photonic crystal. Furthermore, we demonstrate self-assembly of mesoscopic photonic crystal particles consisting of B-doped Si NCs with well-defined inverse opal structure via simple aerosol processing.

Original languageEnglish (US)
Pages (from-to)573-577
Number of pages5
JournalMRS Communications
Issue number4
StatePublished - Sep 16 2015

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© 2015 Materials Research Society.

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