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首页 > 过刊浏览>2022年第51卷第1期 >119-126. DOI:10.12442/j.issn.1002-185X.20200895
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气液爆轰控制合成多晶纳米二氧化钛
作者:
作者单位:

1.中国矿业大学 力学与土木工程学院，江苏 徐州 221116;2.中国矿业大学 深部岩土力学与地下工程国家重点实验室，江苏 徐州 221116;3.中国矿业大学 爆炸力学与工程爆破研究中心，江苏 徐州 221116;4.中国矿业大学 安全工程学院，江苏 徐州 221116

基金项目:

国家自然科学基金项目（面上项目，重点项目，重大项目）12072363


Controllable Synthesis of Polycrystalline Nanostructure TiO2 by Gaseous-Liquid Detonation Method
Author:
  • Luo Ning 1,2,3

    Luo Ning

    School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, China;State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, China;Explosive Mechanics and Engineering Blasting Research Center, China University of Mining and Technology, Xuzhou 221116, China
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  • Sun Xin 1,2,3

    Sun Xin

    School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, China;State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, China;Explosive Mechanics and Engineering Blasting Research Center, China University of Mining and Technology, Xuzhou 221116, China
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  • Fan Xueru 1,2

    Fan Xueru

    School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, China;State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, China
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  • Liang Hanliang 1,2,3

    Liang Hanliang

    School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, China;State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, China;Explosive Mechanics and Engineering Blasting Research Center, China University of Mining and Technology, Xuzhou 221116, China
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  • Chen Yanlong 1,2

    Chen Yanlong

    School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, China;State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, China
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  • Zhang Guimin 1,2

    Zhang Guimin

    School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, China;State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, China
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  • Dong Jiwei 1,2

    Dong Jiwei

    School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, China;State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, China
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  • Zhai Cheng 4

    Zhai Cheng

    School of Safety Engineering, China University of Mining and Technology, Xuzhou 221116, China
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Affiliation:

1.School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, China;2.State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, China;3.Explosive Mechanics and Engineering Blasting Research Center, China University of Mining and Technology, Xuzhou 221116, China;4.School of Safety Engineering, China University of Mining and Technology, Xuzhou 221116, China

Fund Project:

National Natural Science Foundation of China (12072363); National Key Research and Development Project (2020YFA0711800)

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    摘要:

    以氢气、氧气和四氯化钛为混合前驱体，通过气液爆轰法合成了多晶纳米二氧化钛。研究了不同摩尔比例的前驱体和初始反应压力对纳米二氧化钛晶相结构的影响。采用X射线衍射及透射电子显微镜对产物的纳米结构、成分、颗粒大小和形态进行了表征。结果表明：获得的二氧化钛存在纯净的锐钛矿相、纯净的金红石相和混合相，其中混合相的球形或者类球形颗粒粒径为20~150 nm。分析了纳米二氧化钛在气液爆轰中的形成机制。基于C-J理论和化学反应数据，计算了爆轰参数；该参数验证了不同摩尔比例的前驱体和初始反应压力对控制合成多晶纳米二氧化钛的影响。

    Abstract:

    The polycrystalline nano-TiO2 was synthesized by the gaseous-liquid detonation (GLD) method using H2, O2, and TiCl4 as the mixture precursors. The effects of different molar ratios of precursors and initial reaction pressures on the nano-TiO2 crystalline structures were studied. The nanocrystal structures, components, particle size, and morphology were characterized by the X-ray diffraction (XRD) and transmission electron microscopy (TEM). The results demonstrate that the nano-TiO2 consists of pure anatase-TiO2, pure rutile-TiO2, and the mixtures of spherical or quasi-spherical morphologies with particle size of 20~150 nm. Furthermore, the formation mechanism of nano-TiO2 by GLD method was analyzed. The relevant GLD parameters were calculated based on the C-J theory and the related chemical reaction data, which effectively verifies the influence of different molar ratios of precursors and initial pressures on the controllable synthesis of polycrystalline nano-TiO2.

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罗宁,孙鑫,范学如,梁汉良,陈彦龙,张桂民,董纪伟,翟成.气液爆轰控制合成多晶纳米二氧化钛[J].稀有金属材料与工程,2022,51(1):119~126.[Luo Ning, Sun Xin, Fan Xueru, Liang Hanliang, Chen Yanlong, Zhang Guimin, Dong Jiwei, Zhai Cheng. Controllable Synthesis of Polycrystalline Nanostructure TiO2 by Gaseous-Liquid Detonation Method[J]. Rare Metal Materials and Engineering,2022,51(1):119~126.]
DOI：10.12442/j. issn.1002-185X.20200895

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历史
  • 收稿日期:2020-11-19
  • 最后修改日期:2020-12-10
  • 录用日期:2020-12-23
  • 在线发布日期: 2022-02-04
  • 出版日期: 2022-01-28

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