Template-assisted Morphological Evolution of Cu2S and Cu2MoS4 from Octahedral Cu2O Crystals

摘要

Various morphologies of Cu2S and Cu2MoS4 were synthesized from an octahedral Cu2O template in the presence of various concentrations of sodium molybdate and thioacetamide by carrying out solvothermal reactions in an ethylene glycol solvent. The morphology varied from hollow octahedral Cu2S structures, through small pieces of P-Cu2MoS4, and finally to thin square-like plates of I-Cu2MoS4, depending on the concentrations of sodium molybdate and thioacetamide. The XRD data indicated that the Cu2MoS4 structural phases changed from P42m to I42m the concentrations of sodium molybdate and thioacetamide increased.