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High-efficiency flexible dye-sensitized solar cells were fabricated with a Ti-metal foil substrate for photo anode and using a Pt-electrodeposited counter electrode on ITO/polyethylene naphthalate (ITO/PEN); these devices were characterized by incident photon-to-current efficiency (IPCE), optical transmittance and electrical impedance spectroscopy.
Christophe Ballif, Aïcha Hessler-Wyser, Antonin Faes, Umang Bhupatrai Desai, Kléber Nicolet-dit-Félix
Michael Graetzel, Shaik Mohammed Zakeeruddin, Felix Thomas Eickemeyer