China University of Science and Technology has for the first time developed a layered compound CdCl2 nanotube

A few days ago, the research team led by academician Hou Jianguo and Professor Wang Xiaoping of the Hefei National Laboratory for Physical Sciences at the China National University of Science and Technology combined the traditional photolysis chemistry reaction and the new solid-state diffusion principle of nanosystems, with the help of light field-induced dipole interactions. The synchronous control of the dimensions and configuration of low-dimensional nanomaterials was realized. For the first time, the layered compound CdCl2 nanotubes were successfully prepared under room temperature and air conditions, which further expanded the way of using external field modulation to prepare nanometer quantum structures. A new system has been provided for the study of quantum state modulation for special quantum structures. The research results were published in the Nano Express on May 12th.
This is another new progress made by the research team in controlling the preparation of noble metal hollow nanoparticle chains using external magnetic fields to control the fabrication of nanostructures.
Inorganic nanotubes, especially nanotubes of layered compounds, are important research objects of modern nanomaterials. They have far-reaching application prospects in the fields of solid-state lubrication, high-efficiency catalysis, and quantum trapping. However, the nanotubes of most layered compounds must be obtained at high temperatures (over 1000 degrees Celsius), high pressure and inert atmosphere. This harsh condition not only hinders the understanding of the formation and chemical evolution of tubular structures, but also limits the Its application.
Under the support of the National Basic Research Project of the National Natural Science Foundation of China, the team led by Academician Hou Jianguo and Professor Wang Xiaoping first used light to induce the production of chlorine free radicals from perchlorinated benzene, which in turn induces displacement reactions with CdSe quantum dots. CdCl2 hollow spheres and further light-induced dipole interactions were assembled and restructured to obtain single crystal CdCl2 nanotubes. This light-induced process can create a unique "head-to-head" type of nanotube assembly structure, which is different from the classical "shoulder-and-shoulder" nanotube assembly structure, and is important for further development of the electronic transport properties of inorganic nanotubes. value.

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