期刊
NANO LETTERS
卷 8, 期 9, 页码 2998-3003出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl802053h
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资金
- Villum Kann Rasmussens Foundation
- German Academy of Sciences Leopoldina [BMBF-LPD 9901/8-164]
We report a quantitative analysis of the forces acting on optically trapped single gold nanorods. Individual nanorods with diameters between 8 and 44 nm and aspect ratios between 1.7 and 5.6 were stably trapped in three dimensions using a laser wavelength exceeding their plasmon resonance wavelengths. The interaction between the electromagnetic field of an optical trap and a single gold nanorod correlated with particle polarizability, which is a function of both particle volume and aspect ratio.
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