Abstract

A nanostructured solar cells consisting of nonporous n-type TiO2 nanoparticles and a p-type semiconductor Cu2ZnSnS4 (CZTS) thin film has been numerically simulated using the SCAPS-1D tool. The results of the theoretically analysis are compared with reported experimental data. The band diagram, current–voltage (I-V) characteristics, and quantum efficiency of this structure is considered. The benefit of both TiO2 and CZTS material leads to more than 10% conversion efficiency, which is promising for nanoparticle-based heterojunctions proposed for photovoltaic (PV) applications.

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