期刊
NANO LETTERS
卷 12, 期 8, 页码 3954-3960出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl3010918
关键词
Gold nanorod; photothermal effect; lipid bilayer; molecular partitioning; surface plasmon resonance; polarization
类别
资金
- Niels Bohr Scholarship
- Carlsberg foundation
- University of Copenhagen
We quantify the extreme heating associated with resonant irradiation of individual gold nanorods by using a novel assay based on partitioning of lipophilic dyes between membrane phases. The temperature increase is sensitively dependent on the angle between the laser polarization and the orientation of the nanorod. A dramatic and irreversible decrease in the heating of a nanorod occurs at high. illumination intensities; this effect is attributed to surface melting of the nanorod causing it to restructure into a more spherical shape and lose its extreme photothermal properties.
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