Shape-controlled synthesis and properties of dandelion-like manganese sulfide hollow spheres |
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| Authors: | Wei Ma Gen Chen Dan Zhang Jianyu Zhu Guanzhou Qiu Xiaohe Liu |
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| Affiliation: | 1. Department of Inorganic Materials, Central South University, Changsha, Hunan 410083, PR China;2. State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan 410083, PR China;1. College of Materials Science and Engineering, Chongqing University, Chongqing 400044, PR China;2. National Key Laboratory of Fundamental Science of Micro/Nano-Devices and System Technology, Chongqing University, Chongqing 400044, PR China;3. Key Laboratory of Multi-scale Manufacturing Technology, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, PR China;1. Department of Physics, The Institute of Science, Madam Cama Road, Mumbai 400 032, (M.S.), India;2. Department of Chemical Engineering, National Tsing-Hua University, Hsinchu 30013, Taiwan, ROC;1. Department of Physics and Astronomy, College of Science, P.O. Box 2455, King Saud University, Riyadh 11451, Saudi Arabia;2. Mechanical Engineering Department, College of Engineering, P.O. Box 800, King Saud University, Riyadh 11421, Saudi Arabia |
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| Abstract: | Dandelion-like gamma-manganese (II) sulfide (MnS) hollow spheres assembled with nanorods have been prepared via a hydrothermal process in the presence of l-cysteine and polyvinylpyrrolidone (PVP). l-cysteine was employed as not only sulfur source, but also coordinating reagent for the synthesis of dandelion-like MnS hollow spheres. The morphology, structure and properties of as-prepared products have been investigated in detail by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive X-ray spectroscopy (EDS), selected area electron diffraction (SAED), high-resolution transmission electron microscopy (HRTEM) and photoluminescence spectra (PL). The probable formation mechanism of as-prepared MnS hollow spheres was discussed on the basis of the experimental results. This strategy may provide an effective method for the fabrication of other metal sulfides hollow spheres. |
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