Monolithic translucent BaMgAl10O17:Eu2+ phosphors for laser-driven solid state lighting

Cozzan, Clayton; Brady, Michael J.; O’Dea, Nicholas; Levin, Emily E.; Nakamura, Shuji; DenBaars, Steven P.; Seshadri, Ram

doi:10.1063/1.4964925

Monolithic translucent BaMgAl₁₀O₁₇:Eu²⁺ phosphors for laser-driven solid state lighting

Journal Article · Tue Oct 11 00:00:00 EDT 2016 · AIP Advances

DOI:https://doi.org/10.1063/1.4964925· OSTI ID:1373382

Cozzan, Clayton ^[1]; Brady, Michael J. ^[2]; O’Dea, Nicholas ^[3]; Levin, Emily E. ^[4]; Nakamura, Shuji ^[5]; ^[5]; Seshadri, Ram ^[6]

Univ. of California, Santa Barbara, CA (United States). Materials Dept.; Univ. of California, Santa Barbara, CA (United States). Materials Research Lab.; Univ. of California, Santa Barbara, CA (United States). Solid State Lighting and Energy Electronics Center
Univ. of California, Santa Barbara, CA (United States). Materials Research Lab.
Univ. of California, Santa Barbara, CA (United States). Solid State Lighting and Energy Electronics Center
Univ. of California, Santa Barbara, CA (United States). Materials Dept.; Univ. of California, Santa Barbara, CA (United States). Materials Research Lab.
Univ. of California, Santa Barbara, CA (United States). Materials Dept.; Univ. of California, Santa Barbara, CA (United States). Solid State Lighting and Energy Electronics Center
Univ. of California, Santa Barbara, CA (United States). Materials Dept.; Univ. of California, Santa Barbara, CA (United States). Materials Research Lab.; Univ. of California, Santa Barbara, CA (United States). Solid State Lighting and Energy Electronics Center; Univ. of California, Santa Barbara, CA (United States). Dept. of Chemistry and Biochemistry

With high power light emitting diodes and laser diodes being explored for white light generation and visible light communication, thermally robust encapsulation schemes for color-converting inorganic phosphors are essential. In the current work, the canonical blue-emitting phosphor, high purity Eu-doped BaMgAl₁₀O₁₇, has been prepared using microwave-assisted heating (25 min) and densified into translucent ceramic phosphor monoliths using spark plasma sintering (30 min). Lastly, the resulting translucent ceramic monoliths convert UV laser light to blue light with the same efficiency as the starting powder and provide superior thermal management in comparison with silicone encapsulation.

View Accepted Manuscript (DOE)

Research Organization:: Argonne National Laboratory-Advanced Photon Source, Argonne, IL (United States)

Sponsoring Organization:: USDOE Advanced Research Projects Agency - Energy (ARPA-E); USDOE Office of Science (SC)

Grant/Contract Number:: AC02-06CH11357; AR0000671

OSTI ID:: 1373382

Alternate ID(s):: OSTI ID: 1397291

Journal Information:: AIP Advances, Journal Name: AIP Advances Journal Issue: 10 Vol. 6; ISSN 2158-3226

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited By (5)

Conversionless efficient and broadband laser light diffusers for high brightness illumination applications Schütt, Fabian; Zapf, Maximilian; Signetti, Stefano Apollo - University of Cambridge Repository https://doi.org/10.17863/cam.66070	text	January 2020
Color Conversion Materials for High‐Brightness Laser‐Driven Solid‐State Lighting Li, Shuxing; Wang, Le; Hirosaki, Naoto Laser & Photonics Reviews, Vol. 12, Issue 12 https://doi.org/10.1002/lpor.201800173	journal	November 2018
A Thermally Robust La ₃ Si ₆ N ₁₁ :Ce-in-Glass Film for High-Brightness Blue-Laser-Driven Solid State Lighting You, Shihai; Li, Shuxing; Zheng, Peng Laser & Photonics Reviews, Vol. 13, Issue 2 https://doi.org/10.1002/lpor.201800216	journal	November 2018
Unique Design Strategy for Laser‐Driven Color Converters Enabling Superhigh‐Luminance and High‐Directionality White Light Zheng, Peng; Li, Shuxing; Wei, Ran Laser & Photonics Reviews, Vol. 13, Issue 10 https://doi.org/10.1002/lpor.201900147	journal	September 2019
Review—Phosphor Plates for High-Power LED Applications: Challenges and Opportunities toward Perfect Lighting Kim, Yoon Hwa; Viswanath, Noolu S. M.; Unithrattil, Sanjith ECS Journal of Solid State Science and Technology, Vol. 7, Issue 1 https://doi.org/10.1149/2.0181801jss	journal	July 2017

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Related Subjects

36 MATERIALS SCIENCE
Ceramics
Laser diodes
Light emitting diodes
Phosphors
Powders