Supercritical drying of aerogel: In situ analysis of concentration profiles inside the gel and derivation of the effective binary diffusion coefficient using Raman spectroscopy

- One-dimensional Raman measurements during supercritical drying.
- Concentration measurements inside the gel during supercritical drying.
- Derivation of effective binary diffusion coefficients in pores.
- Effective binary diffusion coefficients as a function of mixture composition.