Bin Li , Yi Xie , Jiaxing Huang , Huilan Su , Yitai Qian
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引用次数: 23
摘要
以乙二胺为溶剂，NiCl2与硒或碲在160 ~ 180℃的高压釜中反应10 ~ 15 h，直接合成了NiE2 (E = Se, Te)纳米棒。粉末x射线衍射图和透射电镜图像表明，产物分别为立方相和六方相，呈良好结晶的纳米棒形式。提出了溶剂热法制备NiE2纳米棒的可能机理。溶剂乙二胺在NiE2纳米棒的形成中起着重要的作用。
Solvothermal synthesis to NiE2 (E = Se, Te) nanorods at low temperature
NiE2 (E = Se, Te) nanorods were directly synthesized through the reaction of NiCl2 and selenium or tellurium in an autoclave at 160 ∼ 180°C for 10 ∼ 15 h, using ethylenediamine as a solvent. X-ray powder diffraction patterns and transmission electron microscope images show that the products are cubic NiSe2 and hexagonal NiTe2 phase, respectively, in the form of well-crystallized nanorods. A possible mechanism of the formation of NiE2 nanorods in the solvothermal process is proposed. The solvent ethylenediamine plays an important role in the formation of NiE2 nanorods.
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