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A new organometallic synthesis of size-controlled tin(0) nanoparticles

机译:尺寸可控制的锡(0)纳米粒子的新有机金属合成

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Tin(0) nanoparticles have been prepared by a new low temperature chemical reduction of SnCl4 with t-BuONa activated NaH in THE The size and the crystallinity of the particles can be controlled by adjusting the reaction time. Subnanometrical and amorphous Sn(O) particles were produced after I h reaction at 65 degrees C. Tetragonal Sn(O) particles with diameters of 3.2 and 40.0 nm were respectively prepared by further heating for I and 3.5 h. The colloidal solutions thus produced are stable at room temperature for long periods of time. Sn nanoparticles were characterized by transmission electron microscopy, XPS and EDS analyses and x-ray powder diffraction.
机译:锡(0)纳米粒子是通过在THO中用t-BuONa活化的NaH进行新的低温化学还原SnCl4制备的。可以通过调节反应时间来控制粒子的大小和结晶度。在65°C下反应1 h后,产生了亚纳米级和非晶Sn(O)颗粒。进一步加热I和3.5 h,分别制备了直径为3.2和40.0 nm的四方Sn(O)颗粒。如此产生的胶体溶液在室温下长时间稳定。 Sn纳米粒子通过透射电子显微镜,XPS和EDS分析以及X射线粉末衍射进行了表征。

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