Effect of Crystal Phase Transition for Green Light Emitting K2-xNaxZn0.94SiO4∶0.06Mn2+ Phosphor on Photoluminescence Properties

Rehanguli Alimu; Reziwanguli Yantake; Jing Gao; Yuxia Zhou; Taximaiti Yusufu; Aierken Sidike

doi:10.3788/AOS221971

Acta Optica Sinica, Volume. 43, Issue 11, 1116001(2023)

Effect of Crystal Phase Transition for Green Light Emitting K_2-_xNa_xZn_0.94SiO₄∶0.06Mn²⁺ Phosphor on Photoluminescence Properties

Rehanguli Alimu^1,2, Reziwanguli Yantake^1,2,3, Jing Gao^1,2, Yuxia Zhou^1,2, Taximaiti Yusufu^1,2,3、*, and Aierken Sidike^1,2,3、**

Author Affiliations

¹Xinjiang Key Laboratory for Luminescence Minerals and Optical Functional Materials, School of Physics and Electronic Engineering, Xinjiang Normal University, Urumqi 830054, Xinjiang, China

²Key Laboratory of Mineral Luminescent Material and Microstructure of Xinjiang, School of Physics and Electronic Engineering, Xinjiang Normal University, Urumqi 830054, Xinjiang, China

³College of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi 830054, Xinjiang, China

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Fig. 1. XRD image, refined image, and crystal structure image. (a) XRD pattern of K_2-_xNa_xZn_0.94SiO₄∶0.06Mn²⁺ (0≤x≤2); (b) magnified XRD pattern; (c) refined image of K_2-_xNa_xZn_0.94SiO₄∶0.06Mn²⁺ (x=0.8); (d) crystal structure image of host

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Fig. 2. EDS, SEM, and element mapping images of samples. (a) EDS image of K₂Zn_0.94SiO₄∶0.06Mn²⁺; (b) EDS image of K_0.8Na_1.2Zn_0.94SiO₄∶0.06Mn²⁺; (c) EDS image of Na₂Zn_0.94SiO₄∶0.06Mn²⁺; (d) SEM and element mapping images of K₂Zn_0.94SiO₄∶0.06Mn²⁺; (e) SEM and element mapping images of K_0.8Na_1.2Zn_0.94SiO₄∶0.06Mn²⁺; (f) SEM and element mapping images of Na₂Zn_0.94SiO₄∶0.06Mn²⁺

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Fig. 3. Excitation spectra of K_2-_xNa_xZn_0.94SiO₄∶0.06Mn²⁺ (x=0, 1.2,2.0)

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Fig. 4. Emission spectra and normalized emission spectra of samples. (a) Emission spectra of K_2-_xNa_xZn_0.94SiO₄∶0.06Mn²⁺(0≤x≤2) phosphors under 427 nm excitation; (b) emission spectra of K_2-_xNa_xZn_0.94SiO₄∶0.06Mn²⁺(0≤x≤2) phosphors under 448 nm excitation; (c) normalized emission spectra of K_2-_xNa_xZn_0.94SiO₄∶0.06Mn²⁺(x=0, 1.2, 2.0)

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Fig. 5. Schematic of energy level and Tanabe-Sugano diagram for Mn²⁺ ions. (a) Schematic of energy level for Mn²⁺ ions in K₂ZnSiO₄ and Na₂ZnSiO₄ crystal structures; (b) Tanabe-Sugano diagram of Mn²⁺ ions

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Fig. 6. Quantum yield of K_2-_xNa_xZn_0.94SiO₄∶0.06Mn²⁺(x=2) phosphor

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Fig. 7. Variable temperature spectrum, curve of light intensity varied with temperature, and TG curve of Na₂Zn_0.94SiO₄∶0.06Mn²⁺ sample. (a) Variable temperature spectrum; (b) curve of light intensity varied with temperature; (c) TG curve

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Fig. 8. CIE chromaticity coordinates of K_2-_xNa_xZn_0.94SiO₄∶0.06Mn²⁺(x=0, 1.2, 2.0) phosphors

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Table 1. Comparison of central wavelengths and FWHM of samples in this work and selected literatures
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Table 1. Comparison of central wavelengths and FWHM of samples in this work and selected literatures
Material Doping ion λ_em /nm FWHM /nm Ref.
β-SiAlON Eu²⁺ 542 55 ［15］
γ-AlON Mn，Mg 520 44 ［16］
Zn₂SiO₄ Mn²⁺ 527 43 ［17］
MgAl₂O₄ Mn²⁺ 525 35 ［18］
SrAl₂Si₂O₈ Mn²⁺ 517 26 ［19］
Na₂ZnSiO₄ Mn²⁺ 517 32 Our work

Table 2. Quantum yields of different Mn²⁺ doped materials and synthesis methods
View table
Table 2. Quantum yields of different Mn²⁺ doped materials and synthesis methods
Material Synthesis method Y_Q /% Ref.
Li₂Mg_1-_xSiO₄ Solid state 26.3 ［26］
ZnB₂O₄ Hydrothermal 60.0 ［27］
ZnGa₂O₄ Microwave 64.0 ［28］
KAlSi₂O₆ Solid state 30.2 ［29］
Na₂ZnSiO₄ Solid state 29.4 Our work

Table 3. CIE chromaticity coordinates, color temperatures, and color purity of K_2-_xNa_xZn_0.94SiO₄∶0.06Mn²⁺(x=0, 1.2, 2.0) phosphors
View table
Table 3. CIE chromaticity coordinates, color temperatures, and color purity of K_2-_xNa_xZn_0.94SiO₄∶0.06Mn²⁺(x=0, 1.2, 2.0) phosphors
x CIE chromaticity coordinate Color temperature /K $C_{p}$ /%
0 （0.5282，0.4663） 2226 96.16
1.2 （0.3569，0.6296） 5221 79.33
2.0 （0.1963，0.7264） 7603 73.50

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Rehanguli Alimu, Reziwanguli Yantake, Jing Gao, Yuxia Zhou, Taximaiti Yusufu, Aierken Sidike. Effect of Crystal Phase Transition for Green Light Emitting K_2-_xNa_xZn_0.94SiO₄∶0.06Mn²⁺ Phosphor on Photoluminescence Properties[J]. Acta Optica Sinica, 2023, 43(11): 1116001

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Paper Information

Category: Materials

Received: Nov. 11, 2022

Accepted: Feb. 9, 2023

Published Online: Jun. 13, 2023

The Author Email: Yusufu Taximaiti (taxmamat_84@sina.com), Sidike Aierken (aierkenjiang@sina.com)

DOI:10.3788/AOS221971

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Comparison of central wavelengths and FWHM of samples in this work and selected literatures

Table 1. Comparison of central wavelengths and FWHM of samples in this work and selected literatures

Table 2. Quantum yields of different Mn2+ doped materials and synthesis methods

Table 2. Quantum yields of different Mn2+ doped materials and synthesis methods

Table 3. CIE chromaticity coordinates, color temperatures, and color purity of K2-xNaxZn0.94SiO4∶0.06Mn2+ (x=0, 1.2, 2.0) phosphors

Table 3. CIE chromaticity coordinates, color temperatures, and color purity of K2-xNaxZn0.94SiO4∶0.06Mn2+ (x=0, 1.2, 2.0) phosphors

Table 2. Quantum yields of different Mn²⁺ doped materials and synthesis methods

Table 2. Quantum yields of different Mn²⁺ doped materials and synthesis methods

Table 3. CIE chromaticity coordinates, color temperatures, and color purity of K_2-_xNa_xZn_0.94SiO₄∶0.06Mn²⁺(x=0, 1.2, 2.0) phosphors

Table 3. CIE chromaticity coordinates, color temperatures, and color purity of K_2-_xNa_xZn_0.94SiO₄∶0.06Mn²⁺(x=0, 1.2, 2.0) phosphors