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[1]袁 密,高 峰,竺昌海,等.磷掺杂碳化硅的制备及其影响因素[J].武汉工程大学学报,2018,40(05):538-542.[doi:10. 3969/j. issn. 1674-2869. 2018. 05. 012]
 YUAN Mi,GAO Feng,ZHU Changhai,et al.Preparation of Phosphorus Doped-Silicon Carbide and Influence Factors[J].Journal of Wuhan Institute of Technology,2018,40(05):538-542.[doi:10. 3969/j. issn. 1674-2869. 2018. 05. 012]
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磷掺杂碳化硅的制备及其影响因素(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
40
期数:
2018年05期
页码:
538-542
栏目:
材料科学与工程
出版日期:
2018-12-27

文章信息/Info

Title:
Preparation of Phosphorus Doped-Silicon Carbide and Influence Factors
文章编号:
20180512
作者:
袁 密1高 峰1竺昌海1郑雨佳1李梓烨1薛 俊*12曹 宏12
1. 武汉工程大学材料科学与工程学院,湖北 武汉 430205;2. 湖北省环境材料与膜技术工程技术研究中心,湖北 武汉 430074
Author(s):
YUAN Mi1 GAO Feng1 ZHU Changhai1 ZHENG Yujia1 LI Ziye1 XUE Jun*12 CAO Hong12
1. School of Materials Science and Engineering,Wuhan Institute of Technology, Wuhan 430205,China;2. Engineering Research Center of Environmental Materials and Membrane Technology of Hubei Province,Wuhan 430074, China
关键词:
碳化硅磷掺杂碳热还原法禁带宽度比表面积影响因素
Keywords:
silicon carbidephosphorus dopedcarbo thermal reduction methodband gapspecific surface areainfluence factors
分类号:
O613.7
DOI:
10. 3969/j. issn. 1674-2869. 2018. 05. 012
文献标志码:
A
摘要:
以葡萄糖粉剂为碳源,沉淀白炭黑为硅源,磷酸为掺杂源,通过碳热还原法制备了磷掺杂碳化硅(SiC)。并利用X射线衍射仪、紫外可见吸收光谱仪、扫描电子显微镜、比表面积测试仪等对不同合成温度、不同掺杂浓度下所制备样品物相组成、微观形貌以及性质进行了表征。结果表明,磷原子进入SiC晶格,形成了磷掺杂3C-SiC。所制备的SiC样品与白炭黑的微观结构相似,其一次粒子平均粒径约150 nm,最高比表面积84.4 m2/g。当n(P)∶n(Si)≥0.01时,掺杂达到饱和。随着温度升高,SiC禁带宽度降低,1 350 ℃后变化微弱,1 400 ℃时,比表面积最大。合成磷掺杂SiC的原料廉价易得,工艺简单,有望实现工业化生产。
Abstract:
Phosphorus doped silicon carbide (SiC) was synthesized using glucose powder as carbon source,carbon-white as silicon source and phosphoric acid as the doping source via carbo thermal reduction method. The phase composition,micromorphology and properties of the samples were characterized by X-ray diffraction,Ultraviolet visible absorption detector,scanning electron microscopy and surface area analyzer. The results showed that phosphorus atoms incorporated into the SiC lattice sites,forming phosphorus doped 3C-SiC. The microstructure of synthesized SiC samples was similar to that of carbon-white, and the mean particle size of primary particle of SiC was 150 nm. The maximal specific surface area of the SiC was 84.4 m2/g. The doping reached a saturation point when n(P)∶n(Si)≥0.01. The band gap of SiC decreased with the increase of the temperature,however,it changed slightly at temperatures above 1 350 ℃,and the specific surface area was the biggest at 1 400 ℃. It is expected to accomplish the large-scale production of doped silicon carbide with cheap and available raw materials used in the present study.

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备注/Memo

备注/Memo:
收稿日期:2018-02-25基金项目:国家自然科学基金(71303180);国家科技支撑计划项目(2013BAB07B05);武汉工程大学研究生教育创新基金(CX2017010)作者简介:袁 密,硕士研究生。E-mail:1061735373@qq.com*通讯作者:薛 俊,博士,副教授。E-mail:120373109@qq.com引文格式:袁密,高峰,竺昌海,等. 磷掺杂碳化硅的制备及其影响因素[J]. 武汉工程大学学报,2018,40(5):538-542.
更新日期/Last Update: 2018-10-23