Due to the difficulty of luminescence intensity optimization and color control,the research on the regulatable warm white light emitting devices and fluorescent labels for multi-color detection is ongoing.The Ln^(3+)-...Due to the difficulty of luminescence intensity optimization and color control,the research on the regulatable warm white light emitting devices and fluorescent labels for multi-color detection is ongoing.The Ln^(3+)-Bi_(2)(PTA)_(3)/Bi_(2)O_(3)phosphors with rod-shaped structure were prepared by one-step hydrothermal method,and the incorporation of Bi_(2)O_(3)and terephthalic acid(PTA)ligand effectively magnifies the absorption ability for the photons to enhance the emission intensity.The mono lanthanide-doped DyBi_(2)(PTA)_(3)/Bi_(2)O_(3)exhibits pure cool white light,and it can be transformed to warm white light with the codoped Eu^(3+)amount increasing.Eu^(3+)-Tb^(3+)-Bi_(2)(PTA)_(3)/Bi_(2)O_(3)can emit red and green light,which is used as the multi-color fluorescence labeling,and the mixed formed yellow light fills the blank of the yellow lighting device.展开更多
基金Project supported by Jilin Provincial Key Research and Development Plan Project(20220203168SF)Natural Science Foundation of Jilin Province(20240101348JC)。
文摘Due to the difficulty of luminescence intensity optimization and color control,the research on the regulatable warm white light emitting devices and fluorescent labels for multi-color detection is ongoing.The Ln^(3+)-Bi_(2)(PTA)_(3)/Bi_(2)O_(3)phosphors with rod-shaped structure were prepared by one-step hydrothermal method,and the incorporation of Bi_(2)O_(3)and terephthalic acid(PTA)ligand effectively magnifies the absorption ability for the photons to enhance the emission intensity.The mono lanthanide-doped DyBi_(2)(PTA)_(3)/Bi_(2)O_(3)exhibits pure cool white light,and it can be transformed to warm white light with the codoped Eu^(3+)amount increasing.Eu^(3+)-Tb^(3+)-Bi_(2)(PTA)_(3)/Bi_(2)O_(3)can emit red and green light,which is used as the multi-color fluorescence labeling,and the mixed formed yellow light fills the blank of the yellow lighting device.