Orr Melissa, Hebberd Glen R, McCabe Emma E, Macaluso Robin T
Department of Chemistry and Biochemistry, University of Texas at Arlington, Arlington, Texas 76019, United States.
Department of Physics, Durham University, Lower Mountjoy, South Road, Durham DH1 3LE, United Kingdom.
ACS Omega. 2022 Mar 5;7(10):8209-8218. doi: 10.1021/acsomega.2c00186. eCollection 2022 Mar 15.
Mixed-anion systems have garnered much attention in the past decade with attractive properties for diverse applications such as energy conversion, electronics, and catalysis. The discovery of new materials through mixed-cation and single-anion systems proved highly successful in the previous century, but solid-state chemists are now embracing an exciting design opportunity by incorporating multiple anions in compounds such as oxychalcogenides. Materials containing rare-earth ions are arguably a cornerstone of modern technology, and herein, we review recent advances in rare-earth oxychalcogenides. We discuss ternary rare-earth oxychalcogenides whose layered structures illustrate the characters and bonding preferences of oxide and chalcogenide anions. We then review quaternary compounds which combine anionic and cationic design strategies toward materials discovery and describe their structural diversity. Finally, we emphasize the progression from layered two-dimensional compounds to three-dimensional networks and the unique synthetic approaches which enable this advancement.
在过去十年中，混合阴离子体系因其在能量转换、电子学和催化等多种应用中具有吸引人的特性而备受关注。通过混合阳离子和单一阴离子体系发现新材料在上个世纪被证明非常成功，但固态化学家现在正通过在诸如氧硫族化物等化合物中引入多种阴离子来抓住一个令人兴奋的设计机会。含稀土离子的材料可以说是现代技术的基石，在此，我们综述了稀土氧硫族化物的最新进展。我们讨论了三元稀土氧硫族化物，其层状结构说明了氧化物和硫族化物阴离子的特性和键合偏好。然后我们综述了四元化合物，这些化合物结合了阴离子和阳离子设计策略用于材料发现，并描述了它们的结构多样性。最后，我们强调了从层状二维化合物到三维网络的进展以及实现这一进展的独特合成方法。
