Although the research of perovskite materials in the fields of luminescence and optoelectronic devices has developed rapidly, there are still some key issues, such as how to break through the limit efficiency, improve stability and expand new applications. In recent years, the author of this article has made unique explorations in rare-earth doping and hybridization of organic heterojunctions around the theme of how to expand the spectral response range of perovskite materials and devices, and has achieved some iconic results. The author recently accepted a special interview with ,Light,: ,Science & Applications., This article is sorted out on this basis, hoping to share some experience and opinions with you.
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