Solution-phase synthesis of monodispersed SnTe nanocrystallites at room temperature |
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| Affiliation: | 1. State Key Lab of Metastable Materials Science and Technology, and College of Materials Science and Engineering, Yanshan University, Qinhuangdao, Hebei 066004, China;2. School of Mechanical and Electrical Engineering, Henan Institute of Science and Technology, Xinxiang 453003, China |
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| Abstract: | Monodispersed semiconducting SnTe nanocrystallites was successfully prepared via a solution synthesis route at room temperature. It was found that solvent (ethylenediamine), reductant (KBH4), and tin source (liquid SnCl4) were crucial factors in the preparation of the titled nanocrystals. X-ray powder diffraction (XRD), transmission electronic microscopy (TEM), X-ray photoelectron spectroscopy (XPS) were used to characterize the product. Raman spectrum of the as-prepared sample had a red shift by five or six wavenumbers in comparison with that of the SnTe single crystals. |
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