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Dye-Sensitized Solar Cells for Space PowerDuring the course of this grant, dye-sensitized solar cells were prepared and characterized. The solar cells were prepared using materials (dyes, electrolytes, transparent conductive oxide coated glass, nanocrystalline TiO2) entirely prepared in-house, as well as prepared using materials available commercially. Complete cells were characterized under simulated AM0 illumination. The best cell prepared at NASA had an AM0 efficiency of 1.22% for a 1.1 sq cm cell. Short circuit current (Isc), open circuit voltage (Voc) and fill factor (FF) for the cell were 6.95 mA, 618 mV and 42.8%, respectively. For comparison purposes, two commercially prepared dye-sensitized solar cells were obtained from Solaronix SA, Aubonne, Switzerland. The Solaronix cells were also characterized under simulated AM0 illumination. The best cell from Solaronix had an active area of 3.71 sq cm and measured an AM0 efficiency of 3.16%. with Isc, Voc and FF of 45.80 mA, 669.6 mV and 52.3%, respectively. Both cells from Solaronix were rapid thermal cycled between -80 C and 80 C. Thermal cycling led to a 4.6% loss of efficiency in one of the cells and led to nearly a complete failure in the second cell.
Document ID
20040071145
Acquisition Source
Glenn Research Center
Document Type
Contractor or Grantee Report
Authors
Harris, Jerry D. (Cleveland State Univ. Cleveland, OH, United States)
Hehemann, David G. (Cleveland State Univ. Cleveland, OH, United States)
Duraj, Stan A. (Cleveland State Univ. Cleveland, OH, United States)
Date Acquired
September 7, 2013
Publication Date
January 1, 2003
Subject Category
Solid-State Physics
Funding Number(s)
CONTRACT_GRANT: NCC3-869
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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