自组装
偶极子
化学物理
纳米颗粒
纳米技术
吸引力
力矩(物理)
表面电荷
各向异性
图层(电子)
曲面(拓扑)
材料科学
电荷(物理)
自由面
化学
物理
光学
物理化学
机械
经典力学
几何学
有机化学
语言学
哲学
数学
量子力学
作者
Zhiyong Tang,Zhenli Zhang,Ying Wang,Sharon C. Glotzer,Nicholas A. Kotov
出处
期刊:Science
[American Association for the Advancement of Science (AAAS)]
日期:2006-10-12
卷期号:314 (5797): 274-278
被引量:850
标识
DOI:10.1126/science.1128045
摘要
In their physical dimensions, surface chemistry, and degree of anisotropic interactions in solution, CdTe nanoparticles are similar to proteins. We experimentally observed their spontaneous, template-free organization into free-floating particulate sheets, which resemble the assembly of surface layer (S-layer) proteins. Computer simulation and concurrent experiments demonstrated that the dipole moment, small positive charge, and directional hydrophobic attraction are the driving forces for the self-organization process. The data presented here highlight the analogy of the solution behavior of the two vastly different classes of chemical structures.
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