▎ 摘　　要

The need for bendable, flexible and high performance optoelectronic devices has led to various functional materials/graphene hybridized structures. PbS thin films were successfully synthesized by chemical bath deposition (CBD) method directly on large area CVD-graphene and strong preferential growth of PbS along [200] was obtained. We fabricated vertical type Ti/PbS photovoltaic devices with graphene and discussed their photocurrent transient characteristics. Photocurrent spectra of graphene/Ti/PbS device were recorded at 0 V at various temperatures using a Fourier transform infrared (FTIR) spectrometer. (C) 2020 Elsevier B.V. All rights reserved.