Fig.S1-S7

Fig. S1. Raman spectrums of pure CuS and MoSe2. Fig. S2. Photocurrent of MoSe2, CuS and MoSe2/CuS. Fig. S3. PL spectra of MoSe2/CuS-2 and MoSe2/CuS-10. Fig S4. N2 adsorption desorption curves of MoSe2/CuS-2 and MoSe2 coexisting ions, cycle experiments, and Simulation actual wastewater experiment Fig. S5. Photocatalytic degradation of pollutants by MoSe2/CuS-2 in (a) Ca2+, Mg2+; (b) SO42-, CO32-, and HCO3- (15 mg/L) solutions. Fig. S6. Photocatalytic degradation of simulate the actual wastewater pollutants by MoSe2/CuS-2. Fig. S7. The circulation experiment of MoSe2/CuS-2 in Ca2+- and SO42-(15 mg/L) solutions. Table S1. The underlying photocatalysis mechanism of MoSe2/CuS.