立方格纳米片:厚度驱动的发光
Cubic Lattice Nanosheets: Thickness-Driven Light Emission
作者:Dmitri Golberg;Chao Zhang;Zhi Xu;
DOI:https://doi.org/10.1021/nn502999g
发表时间:2014年
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摘要
硅具有类似钻石的立方晶格结构,其中二维(2D)纳米厚度纳米片结晶似乎并不是微不足道的。然而,在这期的《ACS Nano》中,由崔宪镇领导的团队展示了Si纳米片的气相树枝状生长,厚度仅为1到13纳米。此外,这样的纳米片在可见光范围内显示出强烈的厚度相关的光致发光,每种都有红、绿和蓝色的发射。
Abstract
Silicon has a diamond-like cubic crystal lattice for which two-dimensional (2D) nanometer thickness nanosheet crystallization appears not to be trivial. However, in this issue of ACS Nano, the group led by Heon-Jin Choi demonstrates the gas-phase dendritic growth of Si nanosheets, only 1 to 13 nm thick. Moreover, such nanosheets display strong thickness-dependent photoluminescence in a visible range with red, green, and blue emission each documented.
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