纳米棒
各向异性
纳米材料
液晶
Crystal(编程语言)
胶体
材料科学
纳米颗粒
对称(几何)
胶体晶体
纳米技术
色散(光学)
化学物理
超材料
光子超材料
光子晶体
光学
化学
光电子学
物理
计算机科学
有机化学
几何学
数学
程序设计语言
出处
期刊:Science
[American Association for the Advancement of Science]
日期:2016-03-31
卷期号:352 (6281): 40-41
被引量:11
标识
DOI:10.1126/science.aaf4260
摘要
Nanoparticles (NPs) can now be synthesized with a wide array of controlled sizes, shapes, and properties. However, turning them into nanomaterials often requires packing them into ordered assemblies to manifest specific electronic or optical properties for applications in nanoelectronics, optics, and metamaterials. Colloidal self-assembly ( 1 ) of NPs is relatively simple but is often restricted to high-symmetry crystals by the lack of specific directional bonds, especially for dilute NP solutions. To obtain lower symmetries that confer useful optical or electronic properties, long-range directional interactions must be imparted. On page 69 of this issue, Mundoor et al. ( 2 ) make clever use of an anisotropic host fluid, a liquid crystal, to promote the formation of a low-symmetry crystal in a dilute dispersion of nanorods.
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