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Atmospheric Pressure Fabrication of Large-Sized Single-Layer Rectangular SnSe Flakes
11:21

Atmospheric Pressure Fabrication of Large-Sized Single-Layer Rectangular SnSe Flakes

Published on: March 21, 2018

单层单晶SnSe纳米薄片是一种单层的SnSe纳米薄片.

Lun Li1, Zhong Chen, Ying Hu

  • 1Division of Nanobiomedicine, Chinese Academy of Sciences, Suzhou 215123, PR China.

Journal of the American Chemical Society
|January 15, 2013
PubMed
概括

研究人员使用一方法合成了超薄,单晶锡化物 (SnSe) 纳米片. 这些新的SnSe纳米板显示出在光探测器和光伏中应用的潜力.

科学领域:

  • 材料科学 材料科学 材料科学
  • 纳米技术纳米技术
  • 固态化学 固态化学

背景情况:

  • 锡化 (SnSe) 是热电和光电子应用的一个有前途的材料.
  • 控制SnSe的形态和维度对于优化其性能至关重要.
  • 现有的合成方法可能无法有效地产生高质量,超薄的SnSe纳米结构.

研究的目的:

  • 开发一种用于生产单层单晶SnSe纳米板的单合成方法.
  • 为了研究1,10-phenanthroline在控制SnSe形态中的作用.
  • 为了评估超薄SnSe纳米片的光电子特性,用于潜在的设备应用.

主要方法:

  • 锡化物 (SnSe) 纳米结构的一合成.
  • 使用1,10-phenanthroline作为主要添加剂进行形态控制.
  • 描述SnSe纳米板结构,厚度 (~1.0 nm) 和侧面尺寸 (~300 nm).
  • 测定SnSe/poly(3-hexylthiophene) 混合膜的带隙测定和光电子测试.

主要成果:

  • 成功合成了四个原子厚度 (~1.0 nm) 的单层,单晶SnSe纳米板.
  • 证明1,10-phenanthroline对于实现纳米板形态至关重要;它缺少导致纳米花.

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  • 在进化过程中观察到定向的附着机制,导致单晶纳米板.
  • 混合膜表现出有希望的光电子特性,表明光检测和光伏应用的潜力.

    • 结论:

    • 一种简单的单方法可以合成超薄的单晶SnSe纳米片.
    • 1,10-phenanthroline在指导SnSe纳米片的形成中发挥着至关重要的作用.
    • 合成的SnSe纳米板对于下一代光电探测器和光伏设备具有很好的潜力.