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Self-assembled oligonucleotide semiconductor conjugated to GaN nanostructures for biophotonic applications

Published online by Cambridge University Press:  01 February 2011

A. Neogi ,
J. Li ,
A. Sarkar ,
P. B. Neogi ,
B. Gorman ,
T. Golding  and
H. Morkoc
A. Neogi
Affiliation:
Department of Physics, University of North Texas, Denton, TX, USA.
J. Li
Affiliation:
Department of Physics, University of North Texas, Denton, TX, USA.
A. Sarkar
Affiliation:
Michigan Molecular Institute, Midlands, MI, USA.
P. B. Neogi
Affiliation:
Department of Biology, University of North Texas, Denton, TX, USA.
B. Gorman
Affiliation:
Department of Physics, University of North Texas, Denton, TX, USA.
T. Golding
Affiliation:
Department of Physics, University of North Texas, Denton, TX, USA.
H. Morkoc
Affiliation:
Department of Electrical Eng., Virginia Commonwealth University, Richmond, VA, USA.
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Abstract

We investigate the optical properties of a new class of wide-bandgap semiconductor based biomaterial system. We have synthesized a guanosine derivative with a strong dipole moment, which self-assemble in ∼ 50 –100 nm confined pits to form a ribbon like semiconductor structure (SAGC). SAGC were successfully self-assembled on GaN/AlN QD matrix and the luminescence from GaN QDs can be resonantly transferred to the SAGC molecules resulting in a significant enhancement in emission from the guanine molecules. We also propose the design of ultraviolet-visible photonic bandgap structures based on hybrid SAGC-GaN photonic crystal.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 846: Symposium DD – Organic and Nanocomposite Optical Materials , 2004 , DD8.2
Copyright
Copyright © Materials Research Society 2005

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