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材料导报  2022, Vol. 36 Issue (13): 21010087-5    https://doi.org/10.11896/cldb.21010087
  无机非金属及其复合材料 |
VO2(M)粉体合成与表征
张堃1, 袁新强1,2,*, 王丹1, 梅晶1, 蒋鹏1,2, 张伟1,2
1 陕西理工大学材料科学与工程学院,陕西 汉中 723000
2 陕西理工大学矿渣综合利用环保技术国家地方联合工程实验室,陕西 汉中 723000
Synthesis and Characterization of VO2 (M) Powder
ZHANG Kun1, YUAN Xinqiang1,2,*, WANG Dan1, MEI Jing1, JIANG Peng1,2, ZHANG Wei1,2
1 School of Materials Science and Engineering, Shaanxi University of Technology,Hanzhong 723000, Shaanxi, China
2 National and Local Joint Engineering Laboratory for Slag Comprehensive Utilization and Environmental Technology, Shaanxi University of Technology,Hanzhong 723000, Shaanxi, China
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摘要 M相二氧化钒(VO2(M))是一种具有太阳光选择性透过/反射的隔热材料,以填充方式与聚甲基丙烯酸甲酯(PMMA)结合可开发出智能隔热有机玻璃,因此,高质量VO2(M)粉体的合成尤为重要。本工作以五氧化二钒(V2O5)为钒源,采用水热氧化还原法制备VO2(M)粉体,通过X射线衍射仪(XRD)、场发射电子扫描电镜(FESEM)、紫外-可见-近红外分光光度计分析退火前后二氧化钒(VO2)的晶型结构、结晶形态、太阳光(200~2 500 nm)透光率/反射率及其变化情况,通过差示扫描量热仪(DSC)分析退火后VO2相变温度及其变化情况。研究表明,在185 ℃水热反应48 h、800 ℃氩气保护退火6 h合成出晶型完整、大小均匀的规则球状VO2(M)粉体,其相变温度最低(66.02 ℃)。
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张堃
袁新强
王丹
梅晶
蒋鹏
张伟
关键词:  VO2(M)  水热合成  智能隔热窗  有机玻璃    
Abstract: Mphase vanadium dioxide(VO2(M)) is a kind of thermal insulation material with selective sunlight transmission and reflection. Intelligent thermal insulation plexiglass can be developed by combining polymethyl methacrylate (PMMA) and VO2(M) powder with filling mode. It is particularly important to synthesize high quality VO2(M) powder. In this work, VO2(M) powder was prepared by hydrothermal redox process using vanadium pentoxide (V2O5) as vanadium source. The crystal structure, crystal morphology, solar transmittance and reflectance from 200 nm to 2 500 nm and their changes of vanadium dioxide(VO2) before and after annealing were analyzed by X-ray diffractometer(XRD), field emission scanning electron microscopy (FESEM) and ultraviolet-visible-near infrared spectrophotometer respectively. The phase transition temperature and its change of VO2(M) after annealing were analyzed by differential scanning calorimetry(DSC). It was found that regular spherical VO2(M) powder with complete crystal shape and uniform size was synthesized by hydrothermal reaction at 185 ℃ for 48 h and argon protective annealing at 800 ℃ for 6 h. The corresponding synthetic VO2(M) has the lowest phase transition temperature (66.02 ℃).
Key words:  VO2 (M)    hydrothermal synthesis    intelligent insulation window    plexiglass
出版日期:  2022-07-10      发布日期:  2022-07-12
ZTFLH:  TB34  
基金资助: 矿渣综合利用环保技术国家地方联合工程实验室开放课题(SLGPT2019KF01-06);陕西理工大学基金项目(SLG1810)
通讯作者:  * yxq_hb@126.com   
作者简介:  张堃,2018年6月毕业于陕西理工大学,获得工学学士学位。2018年9月至今在陕西理工大学攻读硕士学位,主要从事VO2(M)粉体制备及其在聚甲基丙烯酸甲酯中应用的研究。
袁新强,副教授,2007年7月毕业于西华大学,获得工学硕士学位,于2007年7月到陕西理工大学任教,主要从事高性能丙烯酸树脂开发及复合材料、功能材料应用研究。在国内外重要期刊发表文章20余篇,授权国家发明专利近20项,申请美国发明专利2项,专利转让4项。
引用本文:    
张堃, 袁新强, 王丹, 梅晶, 蒋鹏, 张伟. VO2(M)粉体合成与表征[J]. 材料导报, 2022, 36(13): 21010087-5.
ZHANG Kun, YUAN Xinqiang, WANG Dan, MEI Jing, JIANG Peng, ZHANG Wei. Synthesis and Characterization of VO2 (M) Powder. Materials Reports, 2022, 36(13): 21010087-5.
链接本文:  
http://www.mater-rep.com/CN/10.11896/cldb.21010087  或          http://www.mater-rep.com/CN/Y2022/V36/I13/21010087
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