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Updated: Apr 19, 2026
A 3D-printed Chamber for Organic Optoelectronic Device Degradation Testing
Published on: August 10, 2018
Reversible degradation in ITO-containing organic photovoltaics under concentrated sunlight
Yulia Galagan1, Asaf Mescheloff, Sjoerd C Veenstra
1Holst Centre - Solliance, 5605 KN Eindhoven, PO Box 8550, The Netherlands. yulia.galagan@tno.nl.
Abstract:
Stabilities of ITO-containing and ITO-free organic solar cells were investigated under simulated AM 1.5G illumination and under concentrated natural sunlight. In both cases ITO-free devices exhibit high stability, while devices containing ITO show degradation of their photovoltaic performance. The accelerated degradation under concentrated sunlight (of up to 20 suns) in ITO-containing devices was found to be reversible. Dark exposure of degraded samples can partly restore performance. A possible underlying mechanism for such a phenomenon is discussed.
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