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The Effect of OPV Module Size on Stability and Diurnal Performance: Outdoor Tests and Application of a Computer Model

Tudur Wyn David, Noel Bristow, Vasil Stoichkov, Han Huang, Grazia Todeschini, Jeff Kettle

Energies, Volume: 14, Issue: 19, Start page: 6324

Swansea University Authors: Han Huang, Grazia Todeschini

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DOI (Published version): 10.3390/en14196324

Abstract

The outdoor performance of large area Organic Photovoltaics (OPVs) is investigated in this work. Initially, the diurnal performance of the three modules is determined and found to be similar. Subsequently module degradation is monitored, and it is found that the larger area module displays a signifi...

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Published in: Energies
ISSN: 1996-1073
Published: MDPI AG 2021
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa58256
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Abstract: The outdoor performance of large area Organic Photovoltaics (OPVs) is investigated in this work. Initially, the diurnal performance of the three modules is determined and found to be similar. Subsequently module degradation is monitored, and it is found that the larger area module displays a significantly greater stability as compared to the smallest area module; in fact the larger module displays a T50% (time to fall to 50% of its original value) of 191 days whilst the smallest module displays a T50% of 57 days. This is attributed to an increased level of water infiltration due to a larger perimeter-to-area ratio. These findings are then used to verify a computer simulation model which allows the model parameters, series and shunt resistances, to be calculated. It is determined that the series resistance is not an obvious obstruction at these module sizes. The findings of this work provide great promise for the application of OPV technology on a larger scale.
Keywords: organic photovoltaic, OPV, stability, outdoor testing, modelling of OPVs
College: Faculty of Science and Engineering
Funders: Solar Photovoltaic Academic Research Consortium II (SPARC II) project funded by WEFO
Issue: 19
Start Page: 6324

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