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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 6 — Mar. 17, 2008
  • pp: 3537–3545

Photovoltaic nanocrystal scintillators hybridized on Si solar cells for enhanced conversion efficiency in UV

Evren Mutlugun, Ibrahim Murat Soganci, and Hilmi Volkan Demir  »View Author Affiliations


Optics Express, Vol. 16, Issue 6, pp. 3537-3545 (2008)
http://dx.doi.org/10.1364/OE.16.003537


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Abstract

We propose and demonstrate semiconductor nanocrystal based photovoltaic scintillators integrated on solar cells to enhance photovoltaic device parameters including spectral responsivity, open circuit voltage, short circuit current, fill factor, and solar conversion efficiency in the ultraviolet. Hybridizing (CdSe)ZnS core-shell quantum dots of 2.4 nm in diameter on multi-crystalline Si solar cells for the first time, we show that the solar conversion efficiency is enhanced 2 folds under white light illumination similar to the solar spectrum. Such nanocrystal scintillators provide the ability to extend the photovoltaic activity towards UV.

© 2008 Optical Society of America

OCIS Codes
(040.5350) Detectors : Photovoltaic
(040.6040) Detectors : Silicon
(160.2540) Materials : Fluorescent and luminescent materials
(250.0250) Optoelectronics : Optoelectronics
(260.7190) Physical optics : Ultraviolet

ToC Category:
Optoelectronics

History
Original Manuscript: November 1, 2007
Revised Manuscript: February 27, 2008
Manuscript Accepted: February 28, 2008
Published: March 3, 2008

Citation
Evren Mutlugun, Ibrahim M. Soganci, and Hilmi V. Demir, "Photovoltaic nanocrystal scintillators hybridized on Si solar cells for enhanced conversion efficiency in UV," Opt. Express 16, 3537-3545 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-6-3537


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