Effect of ionic couple substitution on the enhanced photoluminescence properties of (BaMg)1-x(KxAl10+x)O17:Eu2+ phosphor for white LEDs application

Tong, Xubo; Zhou, Han; Zhang, Hongzhi; Han, Jin; Zhang, Xinmin

doi:10.1016/j.jlumin.2022.118825

Cited by 4 publications

(3 citation statements)

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“…The most famous phosphor of the b-Al 2 O 3 structure is the blue BAM. 201 The structure of BAM can be understood as the substitution of K + and part Al 3+ by Ba 2+ 16c, and the EQE of the optimal sample can reach 40% under the excitation of 400 nm violet excitation. 204 In addition, through nitridation and coordination environment regulation, we red-shifted the PLE spectra of Ba-b-Al 2 O 3 :Eu 2+ and obtained two kinds of blue phosphors with enhanced absorption intensity at 400 nm.…”

Section: B-al 2 O 3 Typementioning

confidence: 99%

“…The most famous phosphor of the β-Al 2 O 3 structure is the blue BAM. 201 The structure of BAM can be understood as the substitution of K + and part Al 3+ by Ba 2+ and Mg 2+ in KAl 11 O 17 . The structure of BAM and KAl 11 O 17 are shown in Fig.…”

Section: Different Types Of Ce3+/eu2+ Doped Phosphorsmentioning

confidence: 99%

“…16a to illustrate the β-Al 2 O 3 structure. 201 The conduction layer consists of [AlO 4 ] polyhedra and the K + is embedded into the void surrounded by [AlO 4 ] polyhedra. The spinel layer consists of [AlO 4 ] and [AlO 6 ] polyhedra.…”

Section: Different Types Of Ce3+/eu2+ Doped Phosphorsmentioning

confidence: 99%

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Progress of Ce³⁺/Eu²⁺ doped phosphors for violet chip based full-spectra lighting

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Section: B-al 2 O 3 Typementioning

confidence: 99%

Section: Different Types Of Ce3+/eu2+ Doped Phosphorsmentioning

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Blue fluorescent waterborne polyurethane‐based transition metal complexes with antibacterial activity

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Efficient and stable blue fluorescent materials are the key components of light‐emitting devices and have received wide attention. Herein, transition metal complexes Zn(5‐AQ)2, Cu(5‐AQ)2, and Cd(5‐AQ)2 are prepared by using 5‐aminoquinoline (5‐AQ) as ligand and Zn2+, Cu2+, and Cd2+ as the central ions, respectively. Then, waterborne polyurethane (WPU)‐based transition metal complexes Zn(5‐AQ)2‐WPU, Cu(5‐AQ)2‐WPU, and Cd(5‐AQ)2‐WPU with different emission wavelengths of blue fluorescence are prepared by bonding Zn(5‐AQ)2, Cu(5‐AQ)2, and Cd(5‐AQ)2 to polyurethane chains as chain extenders, respectively. Noteworthily, with the increase of transition metal ion radius (Zn2+ < Cu2+ < Cd2+), the fluorescence emission wavelengths of the complexes showed different degrees of blue‐shift, and the blue‐shifted wavelengths showed a decreasing trend. Importantly, their fluorescence colors are blue‐shifted from blue‐green to blue with different emission wavelengths after accessing the polyurethane backbone, which has potential applications in the field of tuning white LED materials. The thermal decomposition temperatures of Zn(5‐AQ)2‐WPU, Cu(5‐AQ)2‐WPU, and Cd(5‐AQ)2‐WPU are above 220°C with good thermal stability, and their fluorescence lifetimes are prolonged by 8.817, 8.896, and 6.489 ns, respectively, compared with the complexes. Furthermore, WPU transition metal complexes with water as a dispersive medium have an antibacterial efficiency of up to 100% against Escherichia coli, which is an environmentally friendly antibacterial material with broad application prospects.

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Photoluminescence and Optical Studies of a Temperature Sustainable Dy3+ Doped Silicate Phosphor for Photonic Applications

Sharma,

Maurya,

Rao

2023

Springer Proceedings in Materials

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Effect of ionic couple substitution on the enhanced photoluminescence properties of (BaMg)1-x(KxAl10+x)O17:Eu2+ phosphor for white LEDs application

Cited by 4 publications

References 64 publications

Progress of Ce³⁺/Eu²⁺ doped phosphors for violet chip based full-spectra lighting

Progress of Ce³⁺/Eu²⁺ doped phosphors for violet chip based full-spectra lighting

Blue fluorescent waterborne polyurethane‐based transition metal complexes with antibacterial activity

Photoluminescence and Optical Studies of a Temperature Sustainable Dy3+ Doped Silicate Phosphor for Photonic Applications

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Effect of ionic couple substitution on the enhanced photoluminescence properties of (BaMg)1-x(KxAl10+x)O17:Eu2+ phosphor for white LEDs application

Cited by 4 publications

References 64 publications

Progress of Ce3+/Eu2+ doped phosphors for violet chip based full-spectra lighting

Progress of Ce3+/Eu2+ doped phosphors for violet chip based full-spectra lighting

Blue fluorescent waterborne polyurethane‐based transition metal complexes with antibacterial activity

Photoluminescence and Optical Studies of a Temperature Sustainable Dy3+ Doped Silicate Phosphor for Photonic Applications

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Product

Resources

About

Progress of Ce³⁺/Eu²⁺ doped phosphors for violet chip based full-spectra lighting

Progress of Ce³⁺/Eu²⁺ doped phosphors for violet chip based full-spectra lighting