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

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      Author(s)
      Mutlugun, E.
      Soganci I.M.
      Demir, Hilmi Volkan
      Date
      2008
      Source Title
      Optics Express
      Print ISSN
      10944087
      Publisher
      Optical Society of American (OSA)
      Volume
      16
      Issue
      6
      Pages
      3537 - 3545
      Language
      English
      Type
      Article
      Item Usage Stats
      241
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      171
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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.
      Keywords
      Conversion efficiency
      Integrated circuit testing
      Nanocrystalline materials
      Photovoltaic effects
      Semiconductor devices
      Silicon solar cells
      Ultraviolet radiation
      Hybridization
      Photovoltaic activity
      Photovoltaic scintillators
      Spectral responsivity
      Phosphors
      quantum dot
      article
      equipment
      equipment design
      instrumentation
      methodology
      power supply
      scintillation counting
      solar energy
      ultraviolet radiation
      Electric Power Supplies
      Equipment Design
      Equipment Failure Analysis
      Quantum Dots
      Scintillation Counting
      Solar Energy
      Ultraviolet Rays
      Permalink
      http://hdl.handle.net/11693/23166
      Published Version (Please cite this version)
      http://dx.doi.org/10.1364/OE.16.003537
      Collections
      • Department of Electrical and Electronics Engineering 4011
      • Department of Physics 2550
      • Institute of Materials Science and Nanotechnology (UNAM) 2256
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