Photovoltaic nanocrystal scintillators hybridized on Si solar cells for enhanced conversion efficiency in UV
Date
2008Source Title
Optics Express
Print ISSN
10944087
Publisher
Optical Society of American (OSA)
Volume
16
Issue
6
Pages
3537 - 3545
Language
English
Type
ArticleItem Usage Stats
241
views
views
171
downloads
downloads
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 efficiencyIntegrated 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