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In situ Raman composition profiling in drying droplets

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Academic year: 2021

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Figure 1: Representation of the acoustic levitator used in the present work. A droplet can be held in place in the pressure nodes originated from the acoustic field
Figure 2: Sketch of the in-house engineered Raman set-up. The trajectory and diameter of the laser light is adjusted through a series of lenses in order to obtain a laser in the form of a thin cylinder inside the droplet
Table 1: The experimental conditions employed in the drying of the acoustically levitated droplet
Figure 3: Representation of the acquired spectra at di ff erent positions in the droplet through the drying time
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