Synthesis of rare pure phase Ni3S4 and Ni3S2 nanoparticles in different primary amine coordinating solvents
作者:Charles Gervas、Sixberth Mlowe、Matthew P. Akerman、Itegbeyogene Ezekiel、Thomas Moyo、Neerish Revaprasadu
DOI:10.1016/j.poly.2016.11.014
日期:2017.1
Abstract Two nickel(II) complexes, namely piperidine (1) and tetrahydroquinoline (2) dithiocarbamate complexes were synthesized and characterized by infra-red spectroscopy, elemental analysis and thermogravimetric analyses. The single crystal X-ray structure of complex (1) was also elucidated. The as-synthesized complexes have been utilized as single source precursors to afford nickel sulfide nanoparticles
摘要合成了两种镍(II)配合物,即哌啶(1)和四氢喹啉(2)二硫代氨基甲酸酯配合物,并通过红外光谱,元素分析和热重分析对其进行了表征。还阐明了配合物(1)的单晶X射线结构。所合成的配合物已被用作单一来源的前体,通过在不同温度下在油胺(OLA),十二胺(DDA)和十六胺(HDA)中进行溶剂热分解,提供硫化镍纳米颗粒Ni3S4,Ni3S2和混合相。粉末X射线衍射研究表明,温度和封端剂在确定合成纳米颗粒(NPs)的晶体结构和化学组成方面起着重要作用。电子显微镜图像显示形成了球形,四面体和不规则形状的各种形状的纳米颗粒。磁化测量表明,使用DDA在230°C下制备的Ni3S4纳米颗粒显示出铁磁性能,而在230°C下但使用HDA制备的菱形N3S2也显示出顺磁性能。