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Your search keyword '"Qian, Yitai"' showing total 2 results
2 results on '"Qian, Yitai"'

1. Low-temperature synthesis of nanocrystalline niobium nitride via a benzene-thermal route

Author

Ma, Jianhua, Du, Yihong, and Qian, Yitai

Subjects
*TRANSITION metals, *NANOSTRUCTURES, *ELECTRON microscopy, *BENZENE
Abstract

Abstract: Nanocrystalline niobium nitride was synthesized via benzene-thermal reaction of NbCl5 and NaN3 in an autoclave at 380°C. X-ray powder diffraction pattern indicated that the product was cubic NbN, and the cell constant was a = 4.419Å. Transmission electron microscopy image showed that the sample consisted of particles with the diameters of 10–20nm. Benzene solvent played an important role in the formation of nanocrystalline NbN. [Copyright &y& Elsevier]

Published
2005
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2. Polyol mediated synthesis of nanocrystalline M3SbS3 (<F>M=Ag</F>, Cu)

Author

Chen, Di, Shen, Guozhen, Tang, Kaibin, Jiang, Xuan, Huang, Liying, Jin, Yin, and Qian, Yitai

Subjects
*POLYOLS, *CRYSTALS, *THIOUREA, *X-ray diffraction
Abstract

A simple and convenient polyol-mediated route has been developed to produce nanocrystalline Ag3SbS3 and Cu3SbS3 from AgNO3 and Cu(NO3)2 and SbCl3 with thiourea at 197 °C. The products were characterized by X-ray powder diffraction, X-ray photoelectron spectroscopy, and transmission electron microscopy. Analysis shows that glycol agitated state and injection rate have a great effect on the purity of the final products. [Copyright &y& Elsevier]

Published
2003
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