Progress towards fully spray-coated semitransparent inverted organic solar cells with a silver nanowire electrode

• Spray-coated silver nanowire as a top electrode.
• Toward fully spray-coated semitransparent inverted organic solar cells (IOSCs).
• Semitransparency of ∼70% at long wavelength beyond 650 nm.
• High device efficiency (∼80% of a device with an opaque metal electrode).

We demonstrated a fully spray-coated semitransparent organic solar cell, from the lowermost organic layer to the uppermost top electrode. The fabricated devices based on a poly (3-hexylthiophene):[6,6]-phenyl-C61 butyric acid methyl ester (P3HT:PCBM) are semitransparent (∼70% transparency at long wavelength beyond 650 nm), fully spray-coated from organic layer to top electrode, highly efficient (∼80% of that of a device with a conventional metal electrode).

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