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Proceedings Paper

The role of nanostructures and quantum dots in detectors and solar cells for radiation hardened space applications
Author(s): Edward W. Taylor
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Paper Abstract

Highly efficient IR detectors and photo-voltaic solar cells that incorporate nanotechnology composed of nanostructures and nanoparticles (including quantum dots) will play an important role in advanced photonic space applications. While the development of Si-based solar cells has successfully evolved into an efficient and economical technology these devices are predicted to soon reach their theoretical 29% limit efficiency. Alternative organic/polymer solar cells and IR detectors incorporating quantum dots and various nanoparticle or nanostructure materials are emerging which are expected to eventually outperform current state-of-the-art detectors and solar cell devices. By tailoring the QD design wavelength-optimized detectors and detector arrays operating over the UV-IR range can be realized. Specific examples for achieving near-IR photovoltaic and photoconductive detectors with high quantum efficiencies are presented along with brief examples of empirical data reported for assessing the radiation resistance of QD nanocrystalline devices for application in space environments.

Paper Details

Date Published: 29 August 2006
PDF: 11 pages
Proc. SPIE 6308, Photonics for Space Environments XI, 630807 (29 August 2006); doi: 10.1117/12.678047
Show Author Affiliations
Edward W. Taylor, International Photonics Consultants (United States)

Published in SPIE Proceedings Vol. 6308:
Photonics for Space Environments XI
Edward W. Taylor, Editor(s)

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