期刊
JOURNAL OF THE INDIAN CHEMICAL SOCIETY
卷 99, 期 2, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jics.2022.100350
关键词
Atomic clusters; Superhalogens; Cluster assembled materials; Batteries; Chemical reactions; Ferroelectrics; Solar cells; Superatoms
资金
- Indian Chemical Society [DE-FG02-96ER45579]
- U.S. Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering
- U.S. Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering [DE-FG02-96ER45579]
Superatoms are tailored atomic clusters that mimic the chemistry of atoms in the periodic table. They have unique properties due to their large size and non-spherical geometry, which enable unusual reactions and the formation of cluster assembled materials. This perspective focuses on superhalogens and their ability to form stable chemical bonds and exhibit unconventional oxidation states, highlighting their potential applications in various fields including solar cells and solid-state batteries.
Superatoms are atomic clusters with tailored size and composition that mimic the chemistry of atoms in the periodic table. However, unlike the atoms whose chemistry is governed by their valence electron orbitals, the chemistry of superatoms is governed by their highest occupied molecular orbitals. In addition, due to their large size and non-spherical geometry, superatoms can promote unusual reactions and serve as the building blocks of cluster assembled materials with properties very different from conventional materials. This perspective highlights the unique role of superatoms in chemical and material sciences by focusing on superhalogens, which not only possess electron affinities larger than those of halogens but also can be stable when multiply charged. We discuss how these unique features of superhalogens enable noble gas atoms like argon to form chemical bonds at room temperature and zinc to exhibit an oxidation state of +3. The advantages of using superhalogens in the synthesis of water-resistant materials for solar cells, halogen-free electrolytes for solid-state batteries, and multiferroic materials are also discussed.
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