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Effect of heat and light on the performance of dye-sensitized solar cells based on organic sensitizers and nanostructured TiO2

Paper ID Volume ID Publish Year Pages File Format Full-Text
32462 44931 2010 8 PDF Available
Title
Effect of heat and light on the performance of dye-sensitized solar cells based on organic sensitizers and nanostructured TiO2
Abstract

SummaryThe dye-sensitized solar cells based on the functionalized organic sensitizer, 3-(5-(5-(4-(bis(4-(hexyloxy)-phenyl)amino)phenyl)thiophen-2-yl)thiophen-2-yl)-2-cyanoacrylic acid (D21L6) exhibit comparable stability to the ruthenium sensitizers under 60 °C heat stress and AM 1.5 light illumination where the overall efficiency remained at above 90% of the initial value after 1000 h. However, at 80 °C heat stress without light soaking the overall efficiency of dye-sensitized solar cell remained at 80% of the initial value after 1000 h. The main reason for loss of performance was a decrease in open circuit photovoltage (Voc) under light soaking conditions and in photocurrent (Jsc) under heat stress, respectively. In this regard, interfacial charge carrier recombination and change of capacitance due to aging under light soaking or heat stress were studied.

Keywords
Dye-sensitized mesoscopic solar cells; Organic dye; Nanostructured TiO2; Interfacial dynamics; Long term stability
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Publisher
Database: Elsevier - ScienceDirect
Journal: - Volume 5, Issue 2, April 2010, Pages 91–98
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
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Price after discount Only $4.95
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Full-text PDF Download
Online Support
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