Translational and rotational diffusion of gold nanorods near a wall

被引：11
|
作者：
Haghighi, Maryam [1 ]
Tahir, Muhammad Nawaz [2 ]
Tremel, Wolfgang [2 ]
Butt, Hans-Juergen [1 ]
Steffen, Werner [1 ]
机构：
[1] Max Planck Inst Polymer Res, D-55128 Mainz, Germany
[2] Johannes Gutenberg Univ Mainz, Inst Inorgan & Analyt Chem, D-55128 Mainz, Germany
来源：
JOURNAL OF CHEMICAL PHYSICS | 2013年 / 139卷 / 06期
关键词：
DYNAMIC LIGHT-SCATTERING; CORRELATION SPECTROSCOPY; INTEGRAL-EQUATIONS; CANCER-CELLS; NANOPARTICLES; SURFACE; MICROSCOPY; ORIENTATION; FILMS; RODS;
D O I：
10.1063/1.4817405
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We measured the rotational and translational diffusivity of dilute gold nanorods in aqueous suspension close to a hard planar wall. Therefore, resonance enhanced dynamic light scattering, an evanescent technique, was applied, making use of the strong scattering intensity near the longitudinal surface plasmon resonance frequency of the particle. We observed a slowing down beyond the known hydrodynamic models. (C) 2013 AIP Publishing LLC.
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页数：7
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