Excitation-dependent emission and highly efficient near-infrared luminescence in CsNaScCl double perovskite Sb-Yb alloying for multifunctional photoelectric applications

A novel Sb 3+ -Yb 3+ co-doped Cs 2 NaScCl 6 double perovskite with multimode luminescence and efficient excitation-dependent emission is proposed. Upon Sb 3+ -Yb 3+ co-substitution in Cs 2 NaScCl 6 , NIR emission at 995 nm is greatly enhanced. A new STE emission peaking at 570 nm appears. Its great...

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Published in:Chemical communications (Cambridge, England) England), 2024-10, Vol.6 (8), p.1133-1136
Main Authors: Cai, Mingsheng, Chen, Junyang, Lang, Tianchun, Jing, Xiaolong, Guan, Gaoxunyu, Wang, Jun, Qiang, Qinping, Chen, Wenbo, Han, Tao, Liu, Bitao
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Summary:A novel Sb 3+ -Yb 3+ co-doped Cs 2 NaScCl 6 double perovskite with multimode luminescence and efficient excitation-dependent emission is proposed. Upon Sb 3+ -Yb 3+ co-substitution in Cs 2 NaScCl 6 , NIR emission at 995 nm is greatly enhanced. A new STE emission peaking at 570 nm appears. Its great potential in anti-counterfeiting, LEDs and night vision is successfully demonstrated. A new effective scandium-based double perovskite Sb 3+ -Yb 3+ co-doped Cs 2 NaScCl 6 material with multimode luminescence and efficient excitation-dependent emission.
ISSN:1359-7345
1364-548X
DOI:10.1039/d4cc03863k