Liebner, F., Haimer, E., Wendland, M., Neouze, M.-A., Schlufter, K., Miethe, P., Heinze, T., Potthast, A., & Rosenau, T. (2010). Aerogels from Unaltered Bacterial Cellulose: Application of scCO₂ Drying for the Preparation of Shaped, Ultra-Lightweight Cellulosic Aerogels. Macromolecular Bioscience, 10(4), 349–352. https://doi.org/10.1002/mabi.200900371
The average density of the obtained dry cellulose aerogels is only about 8 mg cm⁻³ which is comparable to the most light-weight silica aerogels and distinctly lower than all values published so far for cellulosic aerogels. SEM, ESEM, nitrogen adsorption experiments at 77K, and thermoporosimetry reveal an open-porous network structure that consists of a comparetively high percentage of large mesopores and smaller macropores.