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Fullerene-like WS2 nanoparticles and nanotubes by the vapor-phase synthesis of WCln and H2S

机译:WCln和H2S气相合成富勒烯状WS2纳米颗粒和纳米管

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摘要

Inorganic fullerene-like (IF) nanoparticles and nanotubes of WS2 were synthesized by a gas phase reaction starting from WCln (n = 4, 5, 6) and H2S. The effect of the various metal chloride precursors on the formation of the products was investigated during the course of the study. Various parameters have been studied to understand the growth and formation of the IF-WS2 nanoparticles and nanotubes. The parameters that have been studied include flow rates of the various carrier gases, heating of the precursor metal chlorides and the temperature at which the reactions were carried out. The best set of conditions wherein maximum yields of the high quality pure-phase IF-WS2 nanoparticles and nanotubes are obtained have been identified. A detailed growth mechanism has been outlined to understand the course of formation of the various products of WS2.
机译:WS2的无机富勒烯状(IF)纳米颗粒和纳米管通过WCln(n = 4,5,6)和H2S的气相反应合成。在研究过程中,研究了各种金属氯化物前体对产物形成的影响。已经研究了各种参数以理解IF-WS2纳米颗粒和纳米管的生长和形成。已研究的参数包括各种载气的流速,前体金属氯化物的加热以及进行反应的温度。已经确定了获得高质量纯相IF-WS2纳米颗粒和纳米管的最大产率的最佳条件。概述了详细的增长机制,以了解WS2各种产品的形成过程。

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