Comparison of simulated light scattering spectra between silver and TiO2 nanoparticles at diameters of 20 nm in air and in water. These spectra are all simulated by DDSCAT software.
Comparison of experimental and simulation results of silver nanoparticles.
Comparison of simulated light scattering spectra among silver nanoparticles with different diameters in water.
Morphologies of dry silver nanoparticles record by SEM. The bar represents 100 nm.
The size distribution of silver nanoparticles measured by SEM.
Size distribution of silver nanoparticles in solution measured by DLS.
Dark field images of Ag nanoparticles illuminated by (a) a white light source. Exposure time for the camera is 4 ms. (b) A laser pulse at 532 nm, exposure time equals to the pulse duration of laser, which is about 10 ns. The bar is 2 μm. The total dimension is 70 μm × 55 μm.
(a) The diagram of nano-PIV setup used dark field illumination. (b) The schematics of the microchannel.
Experimental measurement of nanoparticle movement in a microchannel using white light dark-field illumination. Image of nanoparticles at an exposure of 4 ms and instantaneous velocity map of the flow (in m/s). Flow speed is 0.01 ml/min.
Scattering cross sections of particles as a function of diameters off resonance.
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