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引用次数: 0
摘要
报告了在酒石酸黄麻复合材料表面合成纳米铜晶体的过程。通过傅立叶变换红外光谱、粉末 X 射线衍射、扫描电镜和 TEM 分析检测了纳米晶体的形成。纳米晶体的平均尺寸为 500 nm。纳米铜晶体与 CO2 反应后,纳米粒子的尺寸减小。酒石酸黄麻复合表面(CUNPJT)上的纳米铜晶体不使用任何助催化剂和溶剂,就能有效地进行环氧化物与环碳酸盐的环加成反应。据作者所知,这是纳米铜晶体催化二氧化碳和环氧化物环化反应的第一个实例。
Green Conversion of Epoxides to Cyclic Carbonates by Copper Nanocrystals Fabricated on Jute Tartaric Acid Composite Surface
The synthesis of copper nanocrystals on tartaric acid jute composite surface is reported. The formation of nanocrystals is detected by FT IR, Powder X-ray diffraction, SEM, and TEM analysis. The average size of the nanocrystals is found to be 500 nm. The reaction of the copper nanocrystals with CO2 resulted in a decrease in the size of the nanoparticles. Cycloaddition reaction of epoxides to cyclic carbonate is efficiently carried out by the copper nanocrystals on tartaric acid jute composite surface (CUNPJT) without using any cocatalyst and solvent. To the best of author's knowledge, this is the first example of copper nanocrystals catalyzing the cycloaddition of CO2 and epoxide.
期刊介绍:
The journal Crystal Research and Technology is a pure online Journal (since 2012).
Crystal Research and Technology is an international journal examining all aspects of research within experimental, industrial, and theoretical crystallography. The journal covers the relevant aspects of
-crystal growth techniques and phenomena (including bulk growth, thin films)
-modern crystalline materials (e.g. smart materials, nanocrystals, quasicrystals, liquid crystals)
-industrial crystallisation
-application of crystals in materials science, electronics, data storage, and optics
-experimental, simulation and theoretical studies of the structural properties of crystals
-crystallographic computing