Luminescence Properties of Cs3Cu2I5 Phosphors Powder with Solid State Method

Ya Li Zhu; Xu Chao Song; Nan Ye Pan; Chen Hua Huang; Hexig Alata; Altan Bolag; Hascholu Oimod; Jun Ning; Bing Qin Zhou; Ojild Tegus

doi:10.4028/p-N0s4wd

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HomeDefect and Diffusion ForumDefect and Diffusion Forum Vol. 437Luminescence Properties of Cs3Cu2I5 Phosphors...

Luminescence Properties of Cs₃Cu₂I₅ Phosphors Powder with Solid State Method

Abstract:

The low-temperature solid-state method is utilized to prepare Cs₃Cu₂I₅ phosphors powder by using the cesium iodide (CsI) and cuprous iodide (CuI) as the raw materials. The phase structures of samples were investigated by using X-ray spectrum and steady-state fluorescence spectrometer. The experimental results show that all of samples were crystallized in the orthorhombic structure with pnma space group at the annealing temperature of 100-400°C. Cs₃Cu₂I₅ phosphors exhibits a strong blue photoluminescence emission with peak at 440nm under excitation at 310nm. With the increase of the annealing temperature in the range of 100-400°C, the photoluminescence quantum yield (PLQY) of Cs₃Cu₂I₅ powder achieved the 79.95%. It is revealed that the prepared Cs₃Cu₂I₅ powder phosphors potentially have the promising application in the blue light emitting materials.

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11th International Conference on Materials Science (ICMS 2024)

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Periodical:

Defect and Diffusion Forum (Volume 437)

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21-25

DOI:

https://doi.org/10.4028/p-N0s4wd

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Online since:

October 2024

Authors:

Ya Li Zhu, Xu Chao Song, Nan Ye Pan, Chen Hua Huang, Hexig Alata, Altan Bolag, Hascholu Oimod, Jun Ning*, Bing Qin Zhou, Ojild Tegus

Keywords:

Copper Based Halide Compounds, Low-Temperature Solid-State Method, Optical Properties, Powder Phosphors

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