稀土硫化物的制备与应用

Preparation and application of rare earth sulfides

稀土硫化物是一类新型功能材料,具有复杂的晶体结构和独特的光、电、磁性能,可作为无毒环保颜料、新能源材料以及光催化材料等.此外,稀土硫化物在热电材料、磁性材料等领域有着广阔的应用前景,成为近些年的研究热点.本文介绍了近年来稀土硫化物在制备方法、晶体结构调控、复合结构构筑等方面的研究进展,并结合本课题组在该领域的工作,重点关注了稀土硫化物在无机颜料、新能源和光催化等应用领域的突破,探讨了稀土硫化物结构和性能的构效关系以及性能增强改性的策略,并对稀土硫化物的研究中存在的问题进行了概述,对其未来发展进行了展望.

Rare earth sulfides are a new type of functional materials with complex crystal structures,which show unique optical,electrical and magnetic properties.They are widely used in many fields,such as non-toxic pigments and energy storage,and have perspective application in photocatalytic,thermoelectric power generation,permanent magnet and other fields.Based on our group’s work in these fields,this review systematically summarizes the research progress and milestone on synthetic methodology,crystal structure modification and composite construction of rare earth sulfide in recent years.The performance enhancement strategies of rare earth sulfide in inorganic pigment,energy storage and photocatalysis are comprehensively sorted out.The structure-activity relationship of rare-earth sulfide is discussed and their positive prospects are proposed.Finally,this review summarizes the existing problems in current research and puts forward the prospects for its research direction.