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Figure 7
Characterization of the chamber performance in fast bulk solvent evaporation mode. (a) The time evolution of the substrate temperature for a Ts setpoint of 333 K. (b) Transmitted X-ray intensity during a vertical (z) scan of the cell before starting the evaporation. The NP-solution–vapour interface (z = 1080 µm) and the buried substrate–NP-solution interface (z = 0 µm) are highlighted. (c) Some of the vertical scans performed during the evaporation of the solvent. Complete macroscopic evaporation takes about 14 min. (d) Evolution of the NP-solution–vapour interface vertical z position as a function of time [referring to (a)], obtained from the vertical scans presented in inset (c). The red line is a sixth-order polynomial fit. (e) Time evolution of toluene viscosity [\eta] as a consequence of the changing sample temperature [inset (a)], neglecting the contribution due to solution volume shrinking. (f) Reference values for the toluene [\eta] as a function of temperature. (g) Evolution of the Pe number during the evaporation process.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 20| Part 2| February 2013| Pages 306-315
doi:10.1107/S0909049513001143
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