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Gold nanocrescents for remotely measuring and controlling local temperature

机译:金纳米新月形物,用于远程测量和控制局部温度

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摘要

We present a novel technique to remotely measure and control the local temperature within a medium. This technique is based on the observation of the rotational Brownian motion of gold nanocrescent particles, which possess a strong anisotropic light interaction due to their plasmonic properties. Rotational scattering correlation spectroscopy performed on a single nanoparticle is able to determine the local temperature with high accuracy. These nano-thermometers can simultaneously play the role of nano-heaters when absorbing the light of a focused laser beam.
机译:我们提出了一种新颖的技术来远程测量和控制介质中的局部温度。该技术基于对金纳米新月形粒子的旋转布朗运动的观察,该金纳米新月形粒子由于其等离子体性质而具有很强的各向异性光相互作用。在单个纳米颗粒上进行的旋转散射相关光谱法能够高精度地确定局部温度。当吸收聚焦的激光束的光时,这些纳米温度计可以同时起到纳米加热器的作用。

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