Controlling morphologies of Bi_2S_3 nanostructures synthesized by glycolthermal method

摘要

Single crystalline orthorhombic Bi_2S_3 nanostructures with different morphologies were synthesized by the 180 ℃ and 12 h glycolthermal reactions, using ethylene glycol, propylene glycol and polyethylene glycol with different molecular weights as solvents. The as-synthesized products were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), high resolution transmission electron microscopy (HRTEM), and selected area electron diffraction (SAED). In the present research, different solvents played the role in the product morphologies. A formation mechanism of Bi_2S_3 nanostructures was also proposed.