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Publication
Applied Physics Letters
Paper
Charge transfer in photovoltaics consisting of interpenetrating networks of conjugated polymer and TiO2 nanoparticles
Abstract
Charge transfer processes in conjugated polymer photovoltaics affected by blended and layered titanium dioxide (TiO2) were investigated. Results showed that regardless of the cathode work function, a magnitude increase in photoconductivity and sharp saturation can be observed in layered versus blended structures. When a TiO2 nanoparticle layer is self-assembled onto an indium-tin-oxide electrode, low dark currents and open circuit voltages of 0.7 V can be observed.