ITO-free organic solar cells for large modules

Researchers in South Korea have reported success in developing large-area, indium tin oxide-free, flexible organic solar cells. Their zinc oxide bilayer-based organic solar cells demonstrated an efficiency of 7.67% for a module area of 528 square centimeters.Organic solar cells (OSCs) have long been regarded as a promising next-generation PV technology due to a wide range of advantages, such as their light weight, flexibility, semitransparency, and customized color and shape. However, most OSCs are produced by the spin-coating technique, which allows for relatively high power conversion efficiencies, ...

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