![]() ![]() The establishment of the property modeling of porous materials highly depend on the material structures, and there are many challenges to measuring the structural characteristics due to the complex structures. The physical properties demonstrated by these materials are a reflection of the internal structure, so in order to improve them, their internal structures need to be understood correctly. Porous materials need to be characterized quantitatively with accuracy based on the prediction of the internal structural information. Chen, in Porous Materials, 2014 10.4 Concluding Remarks There are many types of porous materials that can be divided into inorganic materials, carbon-based materials, inorganic-organic hybrid materials, MOFs, and organic polymers based on their structural and chemical properties. The honeycomb could be regarded as the “host” and the honeybee the “guest.” According to the nomenclature recommended by the International Union of Pure and Applied Chemistry (IUPAC), porous materials can be divided into three categories based on their pore size: microporous materials (with pore diameters of 50 nm). Undoubtedly honeycomb that is constructed by many hexagonal cells is a very good example of porous material that can help us increase our understanding of the concept of porous materials. Nature has provided a visual example of porous materials. ![]() Looking at porous materials on a microscopic scale, porous materials can be defined as having atoms of porous matter not massively stacked and having voids between their own atoms. Although many people may not be familiar with the term porous materials, these are the materials that meet many of people's daily needs such as the removal of harmful gases, dehumidifiers, and so on. Porous materials have received a great deal of scientific and technological attention due to their many vital applications in various fields such as adsorption and storage, catalysis, ion exchange, nanotechnology, etc. Reza Taheri-Ledari, in Heterogeneous Micro and Nanoscale Composites for the Catalysis of Organic Reactions, 2022 1.7 Porous materials
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