Special Issue "Novel Organic and Inorganic Aerogels: Synthesis and Application"
Deadline for manuscript submissions: closed (10 October 2023) | Viewed by 145
Aerogels are a unique class of materials that have captured the attention of scientists and engineers for several decades, due to their low densities and high porosity, making them lightweight and highly insulating. They are known as the "frozen smoke", due to their translucent appearance and extremely low density.
Organic aerogels are made from organic polymers, such as resorcinol-formaldehyde (RF) or melamine-formaldehyde (MF) resins, which are then supercritically dried to produce the aerogel. These organic aerogels have a variety of applications, including thermal insulation, energy storage devices, and in catalysis.
Inorganic aerogels, on the other hand, are made from inorganic materials, such as silica, alumina, or metal oxides. The process of creating inorganic aerogels involves using a sol–gel method, where a gel is formed from the inorganic material and the solvent is removed through supercritical drying to form the aerogel. Inorganic aerogels have many applications, including in aerospace, energy storage, and as catalysts.
Both organic and inorganic aerogels have unique properties, such as a high surface area, low thermal conductivity, and high porosity, which make them attractive for a wide range of applications. However, the choice of which type of aerogel to use depends on the specific application and the properties required for that application.
The synthesis of aerogels has been a topic of ongoing research, with many different methods being developed over the years.
Dr. Kinshuk Dasgupta
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- organic aerogel
- inorganic aerogel
- carbon aerogel
- porous structure
- specific surface area
- mechanical properties
- thermal properties
- sol–gel processing