Synthesis and characterization of nanocrystalline Mo2C from peroxomolybdenum complexes

INOR 630

Beibei Zhang1, Huaming Li, lihm@ujs.edu.cn1, Huoming Shu2, Wenshuai Zhu1, and Jiexiang Xia1. (1) College of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, China, (2) Department of Chemistry, Hainan Normal University, Haikou, 570228, China
Mo2C nanoparticles were synthesized from peroxomolybdenum acid and surfactants (PVP, polyvinyl pyrrolidone, K30; DDAC, dimethyldioctadecylammonium chloride) by temperature-programmed method at 1053 K. X-ray powder diffractometer (XRD), scanning electron microscopy (SEM), transmission electron microscope (TEM), and surface area analyzer (BET method) were used to characterize the samples. Experiments reveal that the different carbon sources used for the carbide synthesis have a great effect on the particle size and the surface area of the samples. The grain size of Mo2C using PVP as carbon source is smaller than that of Mo2C using DDAC as carbon source. The surface area of Mo2C using PVP as carbon source is 11.11 m2/g, and that of Mo2C using DDAC as carbon source is 8.21 m2/g.