[1]管建祥,雷 佳,史泰龙,等.复合盐碱媒介法合成NiSe2与Ni0.85Se纳米材料及其结构转化机理[J].南京理工大学学报(自然科学版),2018,42(06):732.[doi:10.14177/j.cnki.32-1397n.2018.42.06.015]
 Guan Jianxiang,Lei Jia,Shi Tailong,et al.Synthesis of NiSe2 and Ni0.85Se nano-materials by salt-alkali-composited-mediated and their structure transformation mechanism[J].Journal of Nanjing University of Science and Technology,2018,42(06):732.[doi:10.14177/j.cnki.32-1397n.2018.42.06.015]
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复合盐碱媒介法合成NiSe2与Ni0.85Se纳米材料及其结构转化机理()
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
42卷
期数:
2018年06期
页码:
732
栏目:
出版日期:
2018-12-30

文章信息/Info

Title:
Synthesis of NiSe2 and Ni0.85Se nano-materials by salt-alkali-composited-mediated and their structure transformation mechanism
文章编号:
1005-9830(2018)06-0732-07
作者:
管建祥12雷 佳3史泰龙3汪正园3刘万英3孔春阳1
1.重庆师范大学 物理与电子工程学院,重庆 401331; 2. 盐城幼儿师范高等专科学校 信息技术系,江苏 盐城 224000; 3.中国矿业大学 材料科学与工程学院,江苏 徐州 221116
Author(s):
Guan Jianxiang12Lei Jia3Shi Tailong3Wang Zhengyuan3Liu Wanying2Kong Chunyang1
1.College of Physics and Electronic Engineering,Chongqing Normal University,Chongqing 401331,China; 2.Department of Information Technology,Yancheng Kindergarten Teachers College,Yanchen 224000,China; 3.School of Material Science and Engineering,China University of Mining and Technology,Xuzhou 221116,China
关键词:
复合盐碱媒介法 硒化镍 纳米材料 X射线衍射 X射线能谱 场发射扫描电镜
Keywords:
salt-alkali-composited-mediated method nickelous selenide nano-materials X-ray diffraction energy-dispersive X-ray spectroscopy field emission scanning electron microscope
分类号:
O482
DOI:
10.14177/j.cnki.32-1397n.2018.42.06.015
摘要:
利用熔融复合盐碱媒介法(SACM)合成了2种不同结构的硒化镍纳米材料,即NiSe2八面体和Ni0.85Se纳米片。探讨了反应时间和水添加量对产物形貌的影响。采用X射线衍射(XRD)、X射线能谱(EDS)和场发射扫描电镜(FESEM)等对材料进行表征,据此提出硒化镍的形成机理及其结构转变的微观机制。通过紫外光谱分析,估算NiSe2与Ni0.85Se 2种硒化镍的能带带隙,分别约为1.47 eV和1.75 eV,带隙宽度对应的光波波长位于可见光范畴。NiSe2与Ni0.85Se均为典型半导体材料。
Abstract:
Two nano-materials with different structures of NiSe2 octahedron and Ni0.85Se nanometre slice are synthesized using the melting salt-alkali-composited-mediated(SACM)method. The influences of the reaction time and added water on the products are researched. The two nano-materials are characterized by X-ray diffraction(XRD),energy-dispersive X-ray spectroscopy(EDS)and field emission scanning electron microscope(FESEM),and the mechanism of growth and structure change of nickelous selenide are explored. The band gaps of NiSe2 and Ni0.85Se are evaluated as 1.47 eV and 1.75 eV through UV-visible absorption spectrum,and correspond to the visible region. NiSe2 and Ni0.85Se are typical semiconductor materials.

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备注/Memo

备注/Memo:
收稿日期:2017-07-15 修回日期:2018-09-11
基金项目:国家自然科学基金(51611130064); 重庆高校市级光电材料与工程重点实验室项目(201701)
作者简介:管建祥(1965-),男,教授,主要研究方向:固态材料性能,E-mail:908932219@qq.com。
引文格式:管建祥,雷佳,史泰龙,等. 复合盐碱媒介法合成NiSe2与Ni0.85Se纳米材料及其结构转化机理[J]. 南京理工大学学报,2018,42(6):732-738.
投稿网址:http://zrxuebao.njust.edu.cn
更新日期/Last Update: 2018-12-30