Using large datasets of organic photovoltaic performance data to elucidate trends in reliability between 2009 and 2019

David, T. W., Anizelli, H., Tyagi, P., Gray, C., Teahan, W. and Kettle, J. (2019) Using large datasets of organic photovoltaic performance data to elucidate trends in reliability between 2009 and 2019. IEEE Journal of Photovoltaics, 9(6), pp. 1768-1773. (doi: 10.1109/JPHOTOV.2019.2939070)

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Abstract

The application of data analytical approaches to understand long-term stability trends of organic photovoltaics (OPVs) is presented. Nearly 1900 OPV data points have been catalogued, and multivariate analysis has been applied in order to identify patterns, produce models that quantitatively compare different internal and external stress factors, and subsequently enable predictions of OPV stability to be achieved. Analysis of the weights associated with the acquired predictive model shows that for light stability (ISOS-L) testing, the most significant factor for increasing the time taken to reach 80% of the initial performance (T80) is the substrate and top electrode selection, and the best light stability is achieved with a small molecule active layer. The weights for damp-heat (ISOS-D) testing shows that the type of encapsulation is the primary factor affecting the degradation to T80. The use of data analytics and potentially machine learning can provide researchers in this area new insights into degradation patterns and emerging trends.

Item Type:Articles
Additional Information:This work was supported by the Solar Photovoltaic Academic Research Consortium II (SPARC II) project, funded by WEFO.
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Kettle, Dr Jeff
Authors: David, T. W., Anizelli, H., Tyagi, P., Gray, C., Teahan, W., and Kettle, J.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:IEEE Journal of Photovoltaics
Publisher:IEEE
ISSN:2156-3381
ISSN (Online):2156-3403
Published Online:16 September 2019
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