Synthesis of rare pure phase Ni3S4 and Ni3S2 nanoparticles in different primary amine coordinating solvents

被引：37

作者：

Gervas, Charles ^{[1
]}

Mlowe, Sixberth ^{[1
]}

Akerman, Matthew P. ^{[2
]}

Ezekiel, Itegbeyogene ^{[3
]}

Moyo, Thomas

Revaprasadu, Neerish ^{[1
]}

机构：

[1] Univ Zululand, Dept Chem, Private Bag X1001, ZA-3886 Kwa Dlangezwa, South Africa

[2] Univ KwaZulu Natal, Sch Chem & Phys, Private Bag X01, ZA-3209 Pietermaritzburg, South Africa

[3] Univ KwaZulu Natal, Sch Chem & Phys, Private Bag X54001, ZA-4000 Durban, South Africa

来源：

POLYHEDRON | 2017年 / 122卷

基金：

新加坡国家研究基金会;

关键词：

Nickel sulfide; Single source precursor; Magnetic property; Crystalline structure; NICKEL SULFIDE NANOPARTICLES; DITHIOCARBAMATE COMPLEXES; SELECTIVE SYNTHESIS; INCLUSIONS; WATER;

D O I：

10.1016/j.poly.2016.11.014

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

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 Ni3S4, Ni3S2 and mixed phases via solvothermal decomposition in oleylamine (OLA), dodecylamine (DDA) and hexadecylamine (HDA) at different temperatures. Powder X-ray diffraction studies reveal that the temperature and capping agents play a significant role in determining the crystalline structure and chemical composition of the as-synthesized nanoparticles (NPs). Electron microscopy images showed formation of nanoparticles of various shapes ranging from spherical, tetrahedral and irregular shaped morphologies. Magnetization measurements indicated that Ni3S4 nanoparticles prepared at 230 degrees C using DDA display ferromagnetic behaviour, while rhombohedral N3S2 also prepared at 230 degrees C but using HDA, displayed paramagnetic property. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：16 / 24

页数：9

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