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Solid solution structural engineering enhances the luminescence of SrMgAl10O17:Cr3+ for agricultural lighting / Y. Ma, W. Liao, B. Quan [et al.] // J. Lumin. - 2024. - Vol. 270. - Ст. 120553, DOI 10.1016/j.jlumin.2024.120553. - Cited References: 46. - The authors would like to gratefully acknowledge funds from the Key R & D Projects in Hunan Province (2021SK2047, 2022NK2044), the Wangcheng Science and Technology Plan (KJ221017), the Science and Technology Innovation Program of Hunan Province (2022WZ1022). The work was supported by the Ministry of Science and Higher Education of the Russian Federation as part of the World-class Research Center program: ‘‘Advanced Digital Technologies’’, contract no. 075-15-2020-935. Research Foundation of Education Bureau of Hunan Province, China (22B0211)
. - ISSN 0022-2313. - ISSN 1872-7883
Кл.слова (ненормированные):
Optical material -- Indoor plant cultivation -- Far-red light -- SrMgAlO
Аннотация: Lead-free non-rare earth oxide phosphors have attracted wide attention due to their environmental protection, sustainability, and potential to replace halides and fluorides in the field of plant lighting. Among them, the Cr3+-excited aluminate phosphor exhibits high brightness, high thermal stability, and far red to near-infrared (NIR) emission due to the influence of the crystal field strength (CFS). This property gives rise to a variety of strategies used to modulate the CFS, for example, single ion substitution, chemical unit co-substitution, etc. Here, we chose the substitution of a single ion, with [BaO6] gradually replacing [SrO6] to form a solid solution. Their structural characteristics and the local structure of Cr3+ are studied and discussed. The device is packaged to evaluate the feasibility of the material for practical application. The prepared phosphor had a bright far-red light emission of 693 nm under blue light excitation, and this spectrum strongly matched the absorption of plant phytochrome PFR. This work provides the design principle of far red light emission activated by Cr3+ aluminate solid solution, which can inspire further research on pc-LED lights for plant lighting.
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Держатели документа:
School of Chemistry and Materials Science, Hunan Agricultural University, Changsha 410128, PR China
Hunan Optical Agriculture Engineering Technology Research Center, Changsha 410128, PR China
World-Class Research Center “Advanced Digital Technologies”, University of Tyumen, Tyumen 625003, Russia
Dongguan Ledstar Optoelectronics Technology Co., Ltd, Dongguan, 523000, PR China
Доп.точки доступа:
Ma, Y.; Liao, W.; Quan, B.; Kong, Z.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Zolotov, A.; Cheng, M.; Chen, X.; Zhou, Zh.; Xia, M.
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