Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/25467
Title: Shaping the emission spectral profile of quantum dots with periodic dielectric and metallic nanostructures
Authors: Zhou, ZK
Lei, DY 
Liu, J
Liu, X
Xue, J
Zhu, Q
Chen, H
Liu, T
Li, Y
Zhang, H
Wang, X
Keywords: Anodic aluminum oxide templates
Photoluminescence
Photonic local density of states
Quantum dots
Spectral shaping
Issue Date: 2014
Publisher: Wiley-V C H Verlag Gmbh
Source: Advanced optical materials, 2014, v. 2, no. 1, p. 56-64 How to cite?
Journal: Advanced Optical Materials 
Abstract: The emission profile and lifetime dynamics of semiconductor quantum dots can be significantly shaped and altered using dielectric and plasmonic nanostructures based on anodic aluminum oxide templates. Remarkable spectral modification and a large total decay rate enhancement in the photoluminescence of quantum dots are observed when they are deposited on a pristine anodic aluminum oxide template. The modified emission spectral profile is consistent with the calculated photonic local density of states above the anodic aluminum oxide template surface, suggesting that this interesting spectral tuning phenomenon stems from the surface electromagnetic modes supported by the anodic aluminum oxide template. Furthermore, when the anodic aluminum oxide template is loaded with metallic nanowires that sustain plasmon resonances, the photoluminescence of the quantum dots can be largely enhanced. These unprecedented results suggest that the anodic aluminum oxide template can be used as a versatile platform for tailoring the photoluminescence properties of quantum emitters in future photonic and optoelectronic applications.
URI: http://hdl.handle.net/10397/25467
ISSN: 2195-1071
DOI: 10.1002/adom.201300354
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