Please use this identifier to cite or link to this item: http://ktisis.cut.ac.cy/handle/10488/836
Title: Formation and impact of hot spots on the performance of organic photovoltaic cells
Authors: Steim, Roland 
Choulis, Stelios A. 
Schilinsky, Pavel 
Lemmer, Uli 
Brabec, Christoph J. 
Keywords: Current density
Failure analysis
Leakage currents
Organic compounds
Photovoltaic cells
Solar cells
Issue Date: 2009
Publisher: American Institute of Physics
Source: Applied Physics Letters, Vol. 94, Issue 4, 2009
Abstract: The failure mechanisms of organic solar cells under reverse bias conditions were investigated. Localized inhomogenities, so-called “hot spots,” leading to increased leakage currents under reverse bias, were identified as the dominant origin for failure. The intensity of hot spots does increase with the duration under reverse bias voltage. Cells with a higher leakage current density (i.e., >100 µA/cm−2 at −1 V) have a significant higher probability for dominant failure, while devices with low leakage current densities show less degradation under reverse bias stressing.
URI: http://ktisis.cut.ac.cy/handle/10488/836
DOI: 10.1063/1.3073857
Rights: ©2009 American Institute of Physics
Appears in Collections:Άρθρα/Articles

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