Ionic liquid assisted sonochemical synthesis of NiS submicron particles

被引：10
作者：
de la Parra-Arciniega, Salome M. [1 ]
Garcia-Gomez, Nora A. [1 ]
Garcia-Gutierrez, Domingo I. [2 ,3 ]
Salinas-Estevane, Pablo [1 ]
Sanchez, Eduardo M. [1 ]
机构：
[1] Univ Autonoma Nuevo Leon, UANL, Fac Ciencias Quim, Almacenamiento & Convers Energia LabMat2, Nicolas De Los Garza 66451, Nuevo Leon, Mexico
[2] Univ Autonoma Nuevo Leon, UANL, Fac Ciencias Quim, Fac Ingn Mecan & Elect, Nicolas De Los Garza 66451, Nuevo Leon, Mexico
[3] Univ Autonoma Nuevo Leon, UANL, Ctr Innovac Invest & Desarrollo Ingn Tecnol, CIIDIT,PIIT, Nicolas De Los Garza 66451, Nuevo Leon, Mexico
来源：
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING | 2014年 / 23卷
关键词：
Ionic liquid; Sonochemistry; NiS; Semiconductor; HOLLOW SPHERES; NANOPARTICLES; NANOCRYSTALS; NICKEL; NANOSTRUCTURES;
D O I：
10.1016/j.mssp.2014.02.019
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel synthesis methodology is reported for the preparation of NiS submicron particles in a green solvent 1-butyl-3methylimidazolium tetrafluoroborate (BMImBF(4)) ionic liquid (IL), using ultrasonic sonochemical technique. Structural, morphological and optical properties of nickel sulfide powders were obtained by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and diffuse reflectance spectroscopy (DRS). Composition was corroborated by energy dispersive X-ray spectroscopy (EDXS), both in the SEM and in the TEM. Regular shape particles were obtained under high-intensity ultrasonic irradiation for 105 min from the reaction between nickel nitrate and thioacetamide in ethanol/BMImBF(4) (80:20), respectively. After vacuum annealing treatment at 180 degrees C overnight, spherical crystalline NiS particles were observed. The powders showed a band gap of 0.74 eV. (C) 2014 Elsevier Ltd. All rights reserved.
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收藏
页码：7 / 13
页数：7
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