Improved Solar Cell Efficiency Through the Use of an Additive Nanostructure-Based Optical Downshifter: Final Subcontract Report, January 28, 2010 -- February 28, 2011

Brian Keyes, Brian Keyes (NREL Technical Monitor)

Research output: NRELSubcontract Report

Abstract

This final report summarizes all SpectraWatt's progress in achieving a boost in solar cell efficiency using an optical downshifter. Spectrawatt's downshifting technology is based on a nanostructured material system which absorbs high energy (short wavelength) light and reemits it at a lower energy (long wavelength) with high efficiency. This system has shown unprecedented performance parametersincluding near unity quantum yield and high thermal stability.
Original languageAmerican English
Number of pages18
StatePublished - 2011

Bibliographical note

Work performed by SpectraWatt, Inc., Hillsboro, Oregon

NREL Publication Number

  • NREL/SR-5200-51381

Keywords

  • CIGS
  • downshifter
  • photovoltaics (PV)
  • Si

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