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Molecular blocks and del materials are hot research directions in the field of materials science today. Although they are similar in some ways, there are still many differences. In this paper, the two materials are compared and analyzed from the aspects of structure, preparation method, properties and application field. From the structural point of view of
, molecular blocks are three-dimensional supramolecular structures formed by small organic molecules connected by non-covalent bonds, while del materials are lattice structures formed by covalent bonds between atoms. The molecular block has an adjustable structure, which can form structural units of different shapes and sizes in space, while the structure of del material is limited by chemical bonds. There are also differences in
preparation methods. The preparation of molecular blocks usually adopts the method of self-assembly, that is, by controlling the interaction between molecules in the solution, it spontaneously forms the desired structure. The preparation of del materials needs to be carried out by chemical reactions or physical methods, such as solvothermal methods, high-temperature solid-phase reactions, etc. In terms of the nature of
, molecular blocks have the advantages of high adjustability and easy modification, and can be functionally designed according to different needs, and are widely used in supramolecular chemistry, drug delivery and other fields. However, del materials have excellent mechanical properties and thermal stability due to their uniform structure and strong chemical bonds, and are mainly used in material processing, mechanical engineering and other fields.
two materials are also different in the field of application. As a kind of intelligent material, molecular block is widely used in micro-nano technology, biomedical and other fields, such as nano-sensor, drug carrier and so on. Because of its excellent mechanical properties and thermal stability, del materials are often used in structural materials, sensors and other fields under high temperature and high pressure environment.
To sum up, although molecular blocks and del materials have similarities in some aspects, there are obvious differences in structure, preparation methods, properties and application fields. Molecular blocks focus on structural controllability and functional design, and are suitable for supramolecular fields and biomedicine, while del materials are more suitable for structural materials and applications in high-pressure environments. With the continuous development of materials science, the difference between the two will be further expanded, providing more possibilities for a wider range of applications.
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