Deep‐red‐emitting Ca 2 ScSbO 6 :Mn 4+ phosphors with a double perovskite structure: synthesis, characterization and potential in plant growth lighting

2021 ◽  
Author(s):  
Zhanglin Chen ◽  
Zhaobo Tian ◽  
Jie Zhang ◽  
Fei Li ◽  
Songmo Du ◽  
...  
Keyword(s):  
Plant Growth ◽  
Perovskite Structure ◽  
Double Perovskite ◽  
Structure Synthesis

Studies on luminescence properties of double perovskite deep red phosphor La2ZnTiO6:Mn4+ for indoor plant growth LED applications

2019 ◽  
Vol 802 ◽  
pp. 628-635 ◽  
Author(s):  
Zaifa Yang ◽  
Lulu Yang ◽  
Changjian Ji ◽  
Denghui Xu ◽  
Chengqiang Zhang ◽  
...  
Keyword(s):  
Plant Growth ◽  
Double Perovskite ◽  
Luminescence Properties ◽  
Red Phosphor

Novel double-perovskite SrLaLiTeO6:Mn4+ far-red phosphor with superior thermal stability for indoor plant growth LED

2021 ◽  
pp. 118286
Author(s):  
Li Li ◽  
Hong Li ◽  
Zhaojie Wu ◽  
Guang Tian ◽  
Yongjie Wang ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Plant Growth ◽  
Double Perovskite ◽  
Red Phosphor

scholarly journals Crystal structures of the triple perovskites Ba2K2Te2O9and Ba2KNaTe2O9, and redetermination of the double perovskite Ba2CaTeO6

2018 ◽  
Vol 74 (7) ◽  
pp. 1006-1009 ◽  
Author(s):  
Matthias Weil
Keyword(s):  
Solid State ◽  
Single Crystals ◽  
Powder Diffraction ◽  
Diffraction Data ◽  
Perovskite Structure ◽  
Double Perovskite ◽  
Powder Diffraction Data ◽  
Space Group ◽  
X Ray ◽  
Group Type

Single crystals of Ba2K2Te2O9(dibarium dipotassium nonaoxidoditellurate), (I), Ba2KNaTe2O9(dibarium potassium sodium nonaoxidoditellurate), (II), and Ba2CaTeO6(dibarium calcium hexaoxidotellurate), (III), were obtained from KNO3/KI or KNO3/NaNO3flux syntheses in platinum crucibles for (I) and (II), or porcelain crucibles for (III). (I) and (II) are isotypic and are members of triple perovskites with general formulaA2[12co]A′[12co]B2[6o]B′[6o]O9. They crystallize in the 6H-BaTiO3structure family in space-group typeP63/mmc, with theA,A′,BandB′ sites being occupied by K, Ba, Te and a second Ba in (I), and in (II) by mixed-occupied (Ba/K), Ba, Te and Na sites, respectively. (III) adopts theA2[12co]B′[6o]B′′[6o]O6double perovskite structure in space-group typeFm-3m, with Ba, Ca and Te located on theA,B′ andB′′sites, respectively. The current refinement of (III) is based on single-crystal X-ray data. It confirms the previous refinement from X-ray powder diffraction data [Fuet al.(2008).J. Solid State Chem.181, 2523–2529], but with higher precision.

scholarly journals Thermally stable La2LiSbO6:Mn4+,Mg2+far-red emitting phosphors with over 90% internal quantum efficiency for plant growth LEDs

RSC Advances ◽  
2018 ◽  
Vol 8 (56) ◽  
pp. 31835-31842 ◽  
Author(s):  
Liangling Sun ◽  
Balaji Devakumar ◽  
Jia Liang ◽  
Bin Li ◽  
Shaoying Wang ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Plant Growth ◽  
Quantum Efficiency ◽  
Internal Quantum Efficiency ◽  
Double Perovskite ◽  
Thermally Stable ◽  
Good Thermal Stability

Double perovskite La2LiSbO6:Mn4+,Mg2+far-red emitting phosphors with internal quantum efficiency as high as 92% and good thermal stability were developed for plant growth LEDs.

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