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A Template-Interface Co-Reduction Synthesis of Hollow Sphere-like Carbides

✍ Scribed by Cun Li; Xiaogang Yang; Baojun Yang; Yan Yan; Yitai Qian

Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
156 KB
Volume
2003
Category
Article
ISSN
1434-1948

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✦ Synopsis

Abstract

Hollow sphere‐like carbides MC (M = Ti, V) with diameters of between 70 and 170 nm were synthesized via a template‐interface co‐reduction (TICR) route, in which MCl~4~ and hexachlorobuta‐1,3‐diene (C~4~Cl~6~) were reacted with metallic sodium at 500 °C for 24 h. X‐ray powder diffraction (XRD) patterns indicated the samples were single‐phase NaCl‐type carbides. Transmission electron microscopy (TEM) photographs showed the hollow spheres consisted of nanocrystalline carbides. The possible formation mechanism of hollow sphere‐like carbides is discussed. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003)

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