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Updated: Jul 6, 2026

Reverse Microemulsion-mediated Synthesis of Monometallic and Bimetallic Early Transition Metal Carbide and Nitride Nanoparticles
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Published on: November 27, 2015

在中间温度下对二元金属聚硫化物和硫化物的新固体气体合成合成:利用硫化物

Li-Ming Wu1, Dong-Kyun Seo

  • 1Department of Chemistry and Biochemistry, Arizona State University, Tempe, Arizona 85287-1604, USA.

Journal of the American Chemical Society
|April 9, 2004
PubMed
概括

一种新的方法合成二元金属硫化物和多硫化物使用气体硫化物和金属氧化物. 这种多功能技术在中间温度下有效地产生各种纯金属硫化物化合物.

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Preparation and Reactions of Sulfides

Sulfides are the sulfur analog of ethers, just as thiols are the sulfur analog of alcohol. Like ethers, sulfides also consist of two hydrocarbon groups bonded to the central sulfur atom. Depending upon the type of groups present, sulfides can be symmetrical or asymmetrical. Symmetrical sulfides can be prepared via an SN2 reaction between 2 equivalents of an alkyl halide and one equivalent of sodium sulfide.
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Colloidal precipitates

The high insolubility of some precipitates can result in an unfavorable relative supersaturation. This can lead to colloidal particles with a large surface-to-mass ratio, where adsorption is promoted. For instance, in the precipitation of silver chloride, silver ions are adsorbed on the surface of the colloidal particles, forming a primary layer. This layer attracts ions of opposite charge (such as nitrate ions), forming a diffuse secondary layer of adsorbed ions. This electric double layer...