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Thin film of Lead sulfide (PbS) is synthesized via low cost dip coating technique using precursors Pb(NO3)2 and thiourea for lead ions Pb+2 and sulfide ions S-2 respectively. The film is synthesized in alkaline medium. The as grown films onto glass slides were characterized by atomic force microscopy and UV-vis spectroscopy. The AFM image shows agglomeration of particles. The band gap value estimated from the UV-vis spectra as 1.49 eV. The photoelectrochemical (PEC) performance of cell was estimated in two electrode configuration. The thin film of PbS in PEC cell exhibited efficiency of 0.09% with fill-factor of 41% in polysulfide solution.