25 August 2017 Analysis of the aging/stability process of organic solar cells based on PTB7:[70]PCBM and an alternative free-vacuum deposited cathode: the effect of active layer scaling
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Abstract
The PV performance and aging/stability of organic photovoltaic (OPV) devices based on the well-known system PTB7:[70]PCBM and an alternative air-stable electrode deposited at room conditions are fully studied when the active area is scaled by a factor of 25. On the other hand, the aging/stability processes were also studied through single diode model, impedance spectroscopy and light-beam induced current (LBIC) measurements in accordance with the established ISOS-D1 (dark storage) and ISOS-L1 (illumination conditions) protocols. Results are a good indication that the alternative cathode Field’s metal (FM) cathode works as an encapsulating material and provides excellent PV performance comparable with the common and costly high-vacuum evaporated Al cathode.
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Denisse Barreiro-Argüelles, Denisse Barreiro-Argüelles, Gabriel Ramos-Ortiz, Gabriel Ramos-Ortiz, José-Luis L. Maldonado, José-Luis L. Maldonado, Daniel Romero-Borja, Daniel Romero-Borja, Marco-Antonio Meneses-Nava, Marco-Antonio Meneses-Nava, Enrique Pérez-Gutiérrez, Enrique Pérez-Gutiérrez, } "Analysis of the aging/stability process of organic solar cells based on PTB7:[70]PCBM and an alternative free-vacuum deposited cathode: the effect of active layer scaling", Proc. SPIE 10363, Organic, Hybrid, and Perovskite Photovoltaics XVIII, 1036333 (25 August 2017); doi: 10.1117/12.2274475; https://doi.org/10.1117/12.2274475
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