Acta Phys. -Chim. Sin. ›› 1999, Vol. 15 ›› Issue (01): 5-9.doi: 10.3866/PKU.WHXB19990102
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Ma Liang, Xu Tao, Zhang Zhi-Jun, Zhao Jia-Zheng
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Abstract:
Surface-modified MnS nanoparticles were synthesized in mixed solvent of water-ethanol by the reaction of MnCl2•2H2O, Na2S•9H2O and surface modification agent dialkyldithiophosphate(DDP). The structure of surface-modified MnS nanoparticles was investigated by XPS,FTIR,TGA, XRD, TEM and HREM. The results show that the DDP-capped MnS nanoparticle consists of a layer of DDP molecules and MnS nanoparticles core. The diameter of DDP-capped MnS nanoparticles is 510 nm. The crystalline structure of inorganic MnS nanoparticle core is γ-MnS. Meanwhile, Surface-modified MnS nanoparticles have better chemical stability and thermostability. They are also well dispersed in organic solvents such as trichloromethane, benzene and in liquid paraffin.
Key words: Surface modification agent, MnS nanoparticle, DDP
Ma Liang, Xu Tao, Zhang Zhi-Jun, Zhao Jia-Zheng. Preparation and Stduy on the Structure of Surface-Modified MsS Nanoparticles[J].Acta Phys. -Chim. Sin., 1999, 15(01): 5-9.
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URL: http://www.whxb.pku.edu.cn/EN/10.3866/PKU.WHXB19990102
http://www.whxb.pku.edu.cn/EN/Y1999/V15/I01/5
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