▎ 摘　　要

In this research work for the first time, PbO/GrO nanoporouses were prepared by direct thermal decomposition method with PbSO4 nanostructures as a precursor. The precursor was calcinated in air for 2 h at 250, 260, 270 degrees C. The XRD studies indicated the production of pure PbO/GrO nanocomposites after thermal decomposition. In finally the efficiency of PbO/GrO nanocomposites for photocatalyst investigation at decolorization of methylene blue using visible light irradiation has been evaluated. Samples were characterized by X-ray diffraction (XRD), atomic force microscopy, scanning electron microscopy, transmission electron microscopy and Photoluminescence spectra. The XRD results indicated that the PbO/GrO nanocomposites were synthesis without any impurities could be obtained after thermal decomposition.