期刊
JOURNAL OF MATERIALS CHEMISTRY C
卷 10, 期 10, 页码 3647-3676出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1tc05506b
关键词
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Inorganic halide perovskites (IHPs) have attracted intense research efforts due to their stability, optoelectronic properties, cost-effectiveness, and applications. Lanthanide doping in IHPs has opened up new possibilities for emerging applications, and has significantly improved their stability, structure, and optical properties. However, there is a lack of comprehensive reviews on this development for IHPs. This review aims to provide important fundamental aspects and recent developments, focusing on CsPbX3 materials and their lanthanide doping, while also covering the doping of non-lanthanide metal ions in IHPs for comparison. Novel applications and future perspectives are discussed as well.
Inorganic halide perovskites (IHPs) have provoked intense research efforts because of their superior stability, excellent optoelectronic properties, cost-effectiveness, and striking optoelectronic applications. Recently, the doping of lanthanide ions in IHPs has opened new avenues, particularly for emerging applications like NIR and white light-emitting diodes, NIR emitters, NIR cameras, optical temperature sensing, optical data encoding, etc. Besides, lanthanide doping has also significantly improved the stability (thermal, photo, and phase), structure and optical properties of IHPs, which has resulted in improved device performance. However, a comprehensive review of this development for IHPs is rare. This review article is an attempt to fill this gap and is designed to provide important fundamental aspects as well as recent developments in the field. It comprises all the basics, synthesis strategies, crystal structure (including phase transition and phase stability), and optical properties (absorption, emission, lifetime, quantum yield, exciton binding energy, and anisotropy) for pristine IHPs with special reference to CsPbX3 (X = Cl, Br and I). The effects of lanthanide doping on the above-listed properties for IHPs are explored, and the doping of non-lanthanide metal ions such as alkali metals, alkaline earth metals, transition metals, and post-transition metals in all-IHPs are also covered for comparison. Furthermore, the review specifically outlines a few novel applications, which are due to the inherent merits of lanthanide doping in CsPbX3. Potential challenges and future perspectives are also discussed.
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