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首页> 外文期刊>Crystal growth & design >Symmetric Confined Growth of Superstructured Vanadium Dioxide Nanonet with a Regular Geometrical Pattern by a Solution Approach
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Symmetric Confined Growth of Superstructured Vanadium Dioxide Nanonet with a Regular Geometrical Pattern by a Solution Approach

机译：溶液方法具有常规几何图案的超微模拟二氧化钒纳米克的对称增长

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摘要

Controllable self-assembly of ordered and regularly patterned semiconductor nanoarchitectures is of great interest in achieving fantastic functionalities and properties of nanomaterials in nanodevices. Here we demonstrate a symmetric confined growth methodology for fabricating a geometrically patterned and well-oriented two-dimensional nanonet by a solution growth. A uniform orthogonal VO2 nanonet composed of single-crystalline nanowalls is self-assembled in a one-step process and exhibits single-crystal-like crystallographic characteristics. It is revealed that the 4-fold symmetric structure of (001) TiO2 determines the orthogonal geometrical pattern of the nanonet; in addition, the interfacial mismatch energy controls the horizontal growth direction and morphology of one-dimensional nanocrystals competing with the surface energy. The unique VO2 nanonet exhibits excellent thermochromic performances due to its self-generated porosity and sluggish phase transition. The initial optical modulation temperature is near room temperature. The solar modulating ability (Delta T-sol) is up to 11.82% with the maximum visible light transmittance (Tvis-max) more than 70%. The proposed growth strategy could be adopted in more systems to perform self-assembly of regularly patterned nanoarchitectures with well interconnectivity and preferred orientation, which offers promising opportunities for exploiting potential nanodevices in various applications.
机译：有序和定期图案化半导体纳米建筑结构的可控自组装对于实现纳米型纳米型纳米材料的奇妙功能和性质非常令人兴趣。在这里，我们通过溶液生长展示了用于通过溶液生长制造几何图案化和定向良好的二维纳米纳米的对称狭窄的生长方法。由单晶纳米金属组成的均匀正交的VO2纳米纳米在一步法中自组装，并具有单晶硅样晶体特性。揭示（001）TiO2的4倍对称结构决定了纳米纳米的正交几何图案;此外，界面失配能量控制与表面能竞争一维纳米晶体的水平生长方向和形态。独特的VO2 Nanonet由于其自生物孔隙率和缓慢的相变，因此具有优异的热致变色性能。初始光学调制温度接近室温。太阳调节能力（Delta T-Sol）高达11.82％，最大可见光透射率（TVIS-MAX）超过70％。拟议的生长策略可以在更多系统中采用，以具有良好的互连和优选方向的定期图案纳米建筑的自我组装，这提供了有希望在各种应用中开发潜在纳米型的机会。

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  • 来源
    《Crystal growth & design》 |2017年第11期|共7页
  • 作者

    Guo Deyu; Zhao Zhengjing; Li Jingbo; Zhang Jiasong; Zhang Ruibo; Wang Zehao; Chen Pengwan; Zhao Yongjie; Chen Zhuo; Jin Haibo;

  • 作者单位

    Beijing Inst Technol Sch Mat Sci &

    Engn Beijing Key Lab Construct Tailorable Adv Funct Ma Beijing 100081 Peoples R China;

    Beijing Inst Technol Sch Mat Sci &

    Engn Beijing Key Lab Construct Tailorable Adv Funct Ma Beijing 100081 Peoples R China;

    Beijing Inst Technol Sch Mat Sci &

    Engn Beijing Key Lab Construct Tailorable Adv Funct Ma Beijing 100081 Peoples R China;

    Beijing Inst Technol Sch Mat Sci &

    Engn Beijing Key Lab Construct Tailorable Adv Funct Ma Beijing 100081 Peoples R China;

    Beijing Inst Technol Sch Mat Sci &

    Engn Beijing Key Lab Construct Tailorable Adv Funct Ma Beijing 100081 Peoples R China;

    Beijing Inst Technol Sch Mat Sci &

    Engn Beijing Key Lab Construct Tailorable Adv Funct Ma Beijing 100081 Peoples R China;

    Beijing Inst Technol Sch Mat Sci &

    Engn Beijing Key Lab Construct Tailorable Adv Funct Ma Beijing 100081 Peoples R China;

    Beijing Inst Technol Sch Mat Sci &

    Engn Beijing Key Lab Construct Tailorable Adv Funct Ma Beijing 100081 Peoples R China;

    Beijing Inst Technol Sch Mat Sci &

    Engn Beijing Key Lab Construct Tailorable Adv Funct Ma Beijing 100081 Peoples R China;

    Beijing Inst Technol Sch Mat Sci &

    Engn Beijing Key Lab Construct Tailorable Adv Funct Ma Beijing 100081 Peoples R China;

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  • 正文语种 eng
  • 中图分类 晶体学;
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