Abstract
We demonstrated a facile and well controlled way for surface nanostructuring of Zinc Phthalocyanine (ZnPc) thin films. Investigations have been carried out on the structural and optical properties of as deposited and acetone vapour treated ZnPc thin films. Furthermore, organic photovoltaic (OPV) device has been also fabricated employing plane/nanostructured-ZnPc films as electron donor and [6,6]-phenyl C61 butyric acid methyl ester as the electron acceptor layer in conventional bilayer device architectures. OPV device performance has been compared with devices with planer and nanostructured-ZnPc thin films. Three times improvement in power conversion efficiency (η %) has been observed in nanostructured-ZnPc treated for 20 s acetone treatment.
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