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Rare-Earth Doping in Nanostructured Inorganic Materials

Bingzhu ZhengState Key Laboratory of Silicon Materials, Institute for Composites Science Innovation, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, ChinaJingyue FanDepartment of Chemistry, National University of Singapore, Singapore 117543, SingaporeBing ChenDepartment of Materials Science and Engineering, City University of Hong Kong, Hong Kong SAR 999077, ChinaXian QinDepartment of Chemistry, National University of Singapore, Singapore 117543, SingaporeJuan WangInstitute of Environmental Health, MOE Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental & Resource Sciences, Zhejiang University, Hangzhou 310058, ChinaFeng WangDepartment of Materials Science and Engineering, City University of Hong Kong, Hong Kong SAR 999077, ChinaRenren DengState Key Laboratory of Silicon Materials, Institute for Composites Science Innovation, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, ChinaXiaogang LiuDepartment of Chemistry, National University of Singapore, Singapore 117543, Singapore

2022en

ABI

Annotatsiya

Impurity doping is a promising method to impart new properties to various materials. Due to their unique optical, magnetic, and electrical properties, rare-earth ions have been extensively explored as active dopants in inorganic crystal lattices since the 18th century. Rare-earth doping can alter the crystallographic phase, morphology, and size, leading to tunable optical responses of doped nanomaterials. Moreover, rare-earth doping can control the ultimate electronic and catalytic performance of doped nanomaterials in a tunable and scalable manner, enabling significant improvements in energy harvesting and conversion. A better understanding of the critical role of rare-earth doping is a prerequisite for the development of an extensive repertoire of functional nanomaterials for practical applications. In this review, we highlight recent advances in rare-earth doping in inorganic nanomaterials and the associated applications in many fields. This review covers the key criteria for rare-earth doping, including basic electronic structures, lattice environments, and doping strategies, as well as fundamental design principles that enhance the electrical, optical, catalytic, and magnetic properties of the material. We also discuss future research directions and challenges in controlling rare-earth doping for new applications.

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DOI: 10.1021/acs.chemrev.1c00644

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