Eclipse Pulsed Laser Deposition for Damage‐Free Preparation of Transparent ZnO Electrodes on Top of Organic Solar Cells

摘要: Pulsed laser deposited gallium doped zinc oxide (ZnO:Ga) is reported as transparent top electrode for organic solar cells. In contrast to standard coating techniques, prone harm sublayers and leading strongly reduced device efficiencies, eclipse pulsed deposition (PLD) in argon atmosphere identified compatible, nonharmful method ZnO:Ga, even on of sensitive material. Although PLD not yet ready mass production, the experiments reveal solve crucial process limitations, e.g., droplet impacts, which might be useful also high yield methods. Optimized ZnO:Ga electrodes achieve a mean transparency visible spectral range Tvis = 82.7% reasonable sheet resistance RS 83 Ω sq−1. The photovoltaic devices prepared with this obtained an efficiency η 2.9%, almost equal reference samples using state-of-the-art metal contact (η 3.0%). investigations here demonstrate successful conductive oxides open new path towards combination semiconductors.