Break traditional cognition! my country’s scientific research team successfully synthesizes rare earth triple bond compounds – Passionategeekz

Passionategeekz On June 24, according to Science and Technology Daily, recently, the Chen Ning research team of Soochow University and Li Jun research team of Tsinghua University jointly achieved a major breakthrough in the field of rare earth chemistry and successfully prepared rare earth triple bond compounds. This achievement broke the traditional understanding of the bonding ability of rare earth elements and opened up a new path for the research and development of rare earth compounds and new materials. Related research has been published in the internationally renowned academic journal “Natural Chemistry”.

According to Passionategeekz, rare earth elements, including scandium, yttrium and 15 lanthanide elements, have extremely complex, special and diverse electronic structures. In rare earth compounds, chemical bonds mainly exist in the form of ionic bonds based on electrostatic action. Due to the shrinkage effect of the 4f orbit and the higher energy of the 5d orbit, the ability of rare earth elements to form covalent bonds, especially double bonds and triple bonds is very limited. It is precisely because of this characteristic that it has been extremely rare for the preparation of double bond rare earth compounds containing double bonds, and it has been considered “impossible”.

However, this research team overcomes this problem through innovative methods. They used the spatial domain and protection of fullerene molecular cages, combined with improved arc discharge technology, and successfully prepared the first triple bond compound formed by the rare earth element cerium and carbon embedded in fullerene, achieving the stable construction of cerium-carbon triple bonds.

The researchers pointed out that the results have far-reaching significance for the preparation of rare earth compounds and new materials. As an important strategic resource, rare earths have extensive applications in many high-tech fields. The successful preparation of rare earth triple bond compounds is expected to promote the innovative application of rare earth materials in the fields of high-performance electronic devices, new catalysts, and advanced energy storage materials, bringing new opportunities to the development of related industries.

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