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

Published online by Cambridge University Press:  23 December 2015

Jihua Yang ,
Nicolaas J. Kramer ,
Christopher J. Hogan Jr.  and
Uwe R. Kortshagen
Jihua Yang
Affiliation:
Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN 55455, USA
Nicolaas J. Kramer
Affiliation:
Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN 55455, USA
Christopher J. Hogan Jr.
Affiliation:
Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN 55455, USA
Uwe R. Kortshagen*
Affiliation:
Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN 55455, USA
*
Address all correspondence to Uwe R. Kortshagen at[email protected]
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Abstract

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.

Type
Plasmonics, Photonics, and Metamaterials Research Letters
Information
MRS Communications , Volume 5 , Issue 4 , December 2015 , pp. 573 - 577
Copyright
Copyright © Materials Research Society 2015 

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