Integrated Surface Modification to Enhance the Luminescence Properties of K2TiF6:Mn4+ Phosphor and Its Application in White-Light-Emitting Diodes

Mu Huai Fang; Chia Shen Hsu; Chaochin Su; Wenjing Liu; Yu Hua Wang; Ru Shi Liu

doi:10.1021/acsami.8b12170

Integrated Surface Modification to Enhance the Luminescence Properties of K₂TiF₆:Mn⁴⁺ Phosphor and Its Application in White-Light-Emitting Diodes

Mu Huai Fang, Chia Shen Hsu, Chaochin Su^*, Wenjing Liu, Yu Hua Wang, Ru Shi Liu

^*Corresponding author for this work

Research output: Contribution to journal › Journal Article › peer-review

87 Scopus citations

Abstract

Narrow-band Mn⁴⁺-doped fluoride phosphors have become a research hotspot worldwide. In this study, we propose integrated surface modification processes to enhance the performance and stability of the luminescence properties of K₂TiF₆:Mn⁴⁺ (KTF) phosphor. These integrated process are applied in the initial synthesis step, coating of the as-synthesized powder post-treatment process, and during the application of the phosphor in the white-light-emitting diode (WLED) device. Surface etching is conducted to remove impurities and small particles in KTF. Double-shell coating forms a stable protective layer outside the KTF. Atomic layer deposition is employed for the surface of the WLED device.

Original language	English
Pages (from-to)	29233-29237
Number of pages	5
Journal	ACS Applied Materials and Interfaces
Volume	10
Issue number	35
DOIs	https://doi.org/10.1021/acsami.8b12170
State	Published - 05 09 2018
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2018 American Chemical Society.

Keywords

atomic layer deposition
narrow-band-emitting
red fluoride phosphor
surface coating
white-light-emitting diodes

Access to Document

10.1021/acsami.8b12170

Cite this

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title = "Integrated Surface Modification to Enhance the Luminescence Properties of K2TiF6:Mn4+ Phosphor and Its Application in White-Light-Emitting Diodes",

abstract = "Narrow-band Mn4+-doped fluoride phosphors have become a research hotspot worldwide. In this study, we propose integrated surface modification processes to enhance the performance and stability of the luminescence properties of K2TiF6:Mn4+ (KTF) phosphor. These integrated process are applied in the initial synthesis step, coating of the as-synthesized powder post-treatment process, and during the application of the phosphor in the white-light-emitting diode (WLED) device. Surface etching is conducted to remove impurities and small particles in KTF. Double-shell coating forms a stable protective layer outside the KTF. Atomic layer deposition is employed for the surface of the WLED device.",

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author = "Fang, \{Mu Huai\} and Hsu, \{Chia Shen\} and Chaochin Su and Wenjing Liu and Wang, \{Yu Hua\} and Liu, \{Ru Shi\}",

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year = "2018",

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doi = "10.1021/acsami.8b12170",

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T1 - Integrated Surface Modification to Enhance the Luminescence Properties of K2TiF6:Mn4+ Phosphor and Its Application in White-Light-Emitting Diodes

AU - Fang, Mu Huai

AU - Hsu, Chia Shen

AU - Su, Chaochin

AU - Liu, Wenjing

AU - Wang, Yu Hua

AU - Liu, Ru Shi

PY - 2018/9/5

Y1 - 2018/9/5

N2 - Narrow-band Mn4+-doped fluoride phosphors have become a research hotspot worldwide. In this study, we propose integrated surface modification processes to enhance the performance and stability of the luminescence properties of K2TiF6:Mn4+ (KTF) phosphor. These integrated process are applied in the initial synthesis step, coating of the as-synthesized powder post-treatment process, and during the application of the phosphor in the white-light-emitting diode (WLED) device. Surface etching is conducted to remove impurities and small particles in KTF. Double-shell coating forms a stable protective layer outside the KTF. Atomic layer deposition is employed for the surface of the WLED device.

AB - Narrow-band Mn4+-doped fluoride phosphors have become a research hotspot worldwide. In this study, we propose integrated surface modification processes to enhance the performance and stability of the luminescence properties of K2TiF6:Mn4+ (KTF) phosphor. These integrated process are applied in the initial synthesis step, coating of the as-synthesized powder post-treatment process, and during the application of the phosphor in the white-light-emitting diode (WLED) device. Surface etching is conducted to remove impurities and small particles in KTF. Double-shell coating forms a stable protective layer outside the KTF. Atomic layer deposition is employed for the surface of the WLED device.

KW - atomic layer deposition

KW - narrow-band-emitting

KW - red fluoride phosphor

KW - surface coating

KW - white-light-emitting diodes

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DO - 10.1021/acsami.8b12170

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