supercritical drying of a gel

https://dx.doi.org/10.1351/goldbook.ST07636
Drying of a gel using a supercritical fluid.
Note:
Since liquid and vapour are indistinguishable in a supercritical fluid, there is no capillary pressure to cause shrinkage and cracking of the pores formed in the gel.
Source:
PAC, 2007, 79, 1801 (Definitions of terms relating to the structure and processing of sols, gels, networks, and inorganic-organic hybrid materials (IUPAC Recommendations 2007)) on page 1826