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Solvothermal route to tin monoselenide bulk single crystal with different morphologies
1Structure Research Laboratory, Department of Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China.
Abstract:
Orthorhombic SnSe bulk single crystals with different morphologies were conveniently grown through solvothermal process at low temperature (180 degrees C). X-ray diffraction (XRD) patterns, scanning electronic microscope (SEM) images, electronic diffraction (ED), and X-ray photoelectron spectra (XPS) were used to characterize the products. In the solvothermal process, the solvent plays an important role in the growth of the single crystal. The morphology of the crystal is influenced not only by the kind of solvent but also by the concentration of the reactants in solvent. Single crystals with rodlike or platelike morphology can be conveniently obtained under controlled concentration of reactants in solvent.