[1]吕维忠,黄德贞,罗仲宽,等.钨-氟共掺杂二氧化钒的水热法制备及表征[J].深圳大学学报理工版,2015,32(4):385-389.[doi:10.3724/SP.J.1249.2015.04385]
 Lyu Weizhong,Huang Dezhen,et al.Hydrothermal synthesis and characterization of tungsten and fluorine co-doped vanadium dioxide[J].Journal of Shenzhen University Science and Engineering,2015,32(4):385-389.[doi:10.3724/SP.J.1249.2015.04385]
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钨-氟共掺杂二氧化钒的水热法制备及表征()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第32卷
期数:
2015年第4期
页码:
385-389
栏目:
化学与化工
出版日期:
2015-07-16

文章信息/Info

Title:
Hydrothermal synthesis and characterization of tungsten and fluorine co-doped vanadium dioxide
文章编号:
201504008
作者:
吕维忠12黄德贞12罗仲宽12刘波12
1) 深圳大学化学与化工学院,深圳 518060
2) 深圳市新型锂离子电池与介孔材料重点实验室,深圳 518060
Author(s):
Lyu Weizhong1 2 Huang Dezhen12 Luo Zhongkuan12 and Liu Bo12
1) College of Chemistry and Chemical Engineering, Shenzhen University, Shenzhen 518060, P.R.China
2) Key Laboratory of New Lithium-ion Batteries and Mesoporous Materials, Shenzhen 518060, P.R.China
关键词:
无机材料五氧化二钒二氧化钒粉体水热法相变温度共掺杂掺杂量
Keywords:
inorganic materials vanadium pentoxide vanadium dioxide powders hydrothermal method phase transition temperature co-doped doping amount
分类号:
O 69
DOI:
10.3724/SP.J.1249.2015.04385
文献标志码:
A
摘要:
以五氧化二钒(V2O5)为原料,草酸为还原剂,通过水热法制备二氧化钒(VO2)纳米粉体,使用X射线衍射、扫描电子显微镜-能谱仪联用和差示扫描热量分析仪等对样品进行表征分析.研究发现,钨-氟的掺杂可降低VO2的相变温度,使其接近室温(低于25 ℃);控制不同的反应参数(如反应体系内液体体积)可以制得不同形貌的VO2粉体;当水热反应温度为190 ℃,水热反应时间为72 h,煅烧温度为800 ℃时,可得到晶型较完整的VO2粉体.
Abstract:
Using V2O5 as raw material and oxalic acid as a reducing agent, we prepare vanadium dioxide nanopowders by hydrothermal method and characterize samples by X-ray diffraction (XRD), scanning electron microscopy-electronic differential system (SEM-EDS), and differential scanning calorimetry (DSC) analyzer. Results show that the phase transition temperature of the fluorine and tungsten co-doped vanadium dioxide can beclose to room temperature (below 25 ℃). The reaction systems with different reaction parameters generate vanadium dioxide powders with different morphologies such as various volume of the reaction system. At the hydrothermal reaction temperature of 190 ℃, the hydrothermal reaction time of 72 h, and the calcination temperature of 800 ℃, the more complete crystal vanadium dioxide powder can be obtained.

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备注/Memo

备注/Memo:
Received:2015-04-20;Accepted:2015-05-11
Foundation:International S & T Cooperation Program of China (2013DFG52970 ); Research & Development Fund of Shenzhen (JCYJ20140418193546109); Research & Development Fund of Nanshan District(KC2013JSCX0015A)
Corresponding author:Professor Lyu Weizhong.E-mail: lvwzh@szu.edu.cn
Citation:Lyu Weizhong, Huang Dezhen, Luo Zhongkuan, et al.Hydrothermal synthesis and characterization of tungsten and fluorine co-doped vanadium dioxide[J]. Journal of Shenzhen University Science and Engineering, 2015, 32(4): 385-389.(in Chinese)
基金项目:国家国际科技合作专项资助项目(2013DFG52970);深圳市科技计划资助项目(JCYJ20140418193546109);深圳市南山区创新研发资助项目(KC2013JSCX0015A)
作者简介:吕维忠(1971—),男(汉族), 江西省兴国县人,深圳大学教授. E-mail: lvwzh@szu.edu.cn
引文:吕维忠, 黄德贞, 罗仲宽, 等. 钨-氟共掺杂二氧化钒的水热法制备及表征[J]. 深圳大学学报理工版,2015,32(4):385-389.
更新日期/Last Update: 2015-06-30