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Ga-Substituted YAG Garnet Phosphor 515–545 nm ATOMFAIR®
Ga-Substituted YAG Garnet Phosphor 515–545 nm ATOMFAIR® - Image 2

Ga-Substituted YAG Garnet Phosphor 515–545 nm ATOMFAIR®

$85.00

Institutional Procurement & Supply Compliance: As a verified US supplier, Atomfair accepts formal institutional Purchase Orders (POs), contract billing schedules, and custom procurement loops for university and national laboratories, and corporate R&D departments globally.

Ga-substituted YAG phosphor for 440–470 nm blue LED excitation, 515–545 nm emission peaks, D50 10–30 μm, and 80–92% quantum efficiency.

SKU: AF-PH-L-GARN-GAYG-GAYG
Category:
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Ga-Substituted YAG Yellow-Green-Emitting Garnet Phosphor
Product Overview

Ga-substituted YAG yellow-green-emitting garnet phosphor is a blue-light-excitable luminescent powder developed for wavelength conversion in LED lighting and display systems. Gallium substitution modifies the emission characteristics of the YAG-based garnet host, enabling yellow-green emission under excitation by blue LED chips operating within the 440–470 nm wavelength range.

The available product data provide emission-peak grades within 515–545 nm, with a separately specified peak-wavelength range of 515–540 nm. The corresponding dominant wavelength is 553–563 nm, and the full width at half maximum is 105–109 nm. Available grades have CIE chromaticity coordinates of x=0.314–0.418 and y=0.554–0.571, median particle-size ranges extending from 10 to 30 µm, and quantum efficiency values of 80–92%.

This phosphor can be selected according to the required emission peak, dominant wavelength, chromaticity coordinates, particle size and quantity. It is suitable for use with blue LED chips to produce white or yellow-green light and can be applied in general illumination, outdoor lighting, mobile-device flash modules, automotive lighting, high-power lighting, landscape lighting and display backlighting.
Technical Specifications
Parameter Specification / Available Range
Product Description Ga-substituted YAG yellow-green-emitting garnet phosphor powder for LED wavelength conversion
Material Class Ga-substituted YAG garnet phosphor
Physical Form Yellow-green phosphor powder
Suitable LED Chip Wavelength 440–470 nm
Emission Peak Range 515–545 nm
Specified Peak Wavelength Range 515–540 nm
Dominant Wavelength 553–563 nm
Full Width at Half Maximum 105–109 nm
CIE Chromaticity Coordinate x 0.314–0.418
CIE Chromaticity Coordinate y 0.554–0.571
Median Particle Size, D50 10–30 µm
Quantum Efficiency 80–92%
Applications General illumination, outdoor lighting, mobile-device flash modules, automotive lighting, high-power lighting, landscape lighting and display backlighting
Key Features & Advantages
  • Blue-LED excitation compatibility: The 440–470 nm excitation range supports wavelength conversion using commonly employed blue LED chips.
  • Selectable yellow-green emission: Available emission-peak grades cover 515–545 nm for different spectral and color-point requirements.
  • Defined spectral profile: The specified 553–563 nm dominant wavelength and 105–109 nm full width at half maximum support spectral matching and device evaluation.
  • Controlled chromaticity: Defined CIE x and y coordinate ranges facilitate color-point selection and phosphor comparison.
  • Particle-size options: Available D50 ranges support different phosphor mixing, coating, dispensing and packaging processes.
  • High quantum efficiency: Available grades provide quantum efficiency values of 80–92%.
  • Broad application scope: Suitable for LED illumination, automotive lighting, flash modules, landscape lighting and display backlight wavelength conversion.
CHEMICAL POWDER HANDLING: Keep the phosphor sealed, dry and protected from direct light. Minimize airborne dust during transfer, use suitable laboratory protective equipment, and review the applicable safety documentation before handling.
PACKAGING SERVICE: Atomfair can coordinate sealed, moisture-resistant packaging according to the confirmed emission grade, particle-size requirement, quantity and transport conditions.
DELIVERY SUPPORT: Shipment destination, labeling requirements and delivery schedule are confirmed during quotation.
RFQ INFORMATION: Provide the required emission peak, dominant wavelength, particle-size range, quantity and delivery destination.
PHOSPHOR SELECTION AND QUOTATION SUPPORT
For emission-peak selection, particle-size confirmation and quotation support, contact our technical sales team.
E-MAIL: inquiry@atomfair.com
Manufacturer: Atomfair LLC
Brand: ATOMFAIR®

The phosphor must be stored in a sealed, dry container protected from direct light to prevent moisture absorption and photodegradation. It is compatible with blue LED chips emitting in the 440-470 nm range and should be handled with dust control measures to avoid contamination and inhalation risks.

  • Moisture Protection: The phosphor must be kept sealed and dry to prevent moisture absorption.
  • Light Protection: The phosphor must be protected from direct light to avoid photodegradation.
  • Dust Control: Airborne dust must be minimized during transfer to prevent contamination and inhalation.
  • Safety Review: Applicable safety documentation must be reviewed before handling.
  • Excitation Compatibility: The phosphor is designed for excitation by blue LED chips in the 440-470 nm wavelength range.

This phosphor powder requires careful handling to maintain its performance and safety. The following steps outline the necessary precautions for storage and transfer.

Required Equipment: Laboratory protective equipment (e.g., gloves, eye protection)

  1. Review Safety Documentation
    Review the applicable safety documentation before handling the phosphor.
  2. Wear Protective Equipment
    Wear suitable laboratory protective equipment.
  3. Store Properly
    Store the phosphor in a sealed, dry container protected from direct light.
  4. Control Dust
    Minimize airborne dust during transfer.

How does gallium substitution in this YAG garnet phosphor shift the emission peak compared to standard YAG:Ce?

Gallium substitution in the YAG garnet host shifts the emission peak to the yellow-green region (515–545 nm) versus the typical yellow emission of standard YAG:Ce (around 550–570 nm). The product data specify a peak wavelength range of 515–540 nm with a dominant wavelength of 553–563 nm and a full width at half maximum of 105–109 nm, enabling precise spectral tuning for white LED or display applications.

What are the critical particle size and quantum efficiency ranges for this phosphor when used in high-power LED packaging?

The median particle size (D50) is available from 10 to 30 µm, allowing selection for different dispensing, coating, or molding processes. Quantum efficiency ranges from 80% to 92%, which directly impacts luminous efficacy in high-power LED modules. These parameters must be matched to the specific packaging method and thermal management design to minimize scattering losses and maintain conversion efficiency.

What handling and storage precautions are required for this Ga-substituted YAG phosphor powder?

The phosphor must be kept sealed, dry, and protected from direct light to prevent moisture absorption and photodegradation. During transfer, minimize airborne dust and use suitable laboratory protective equipment. Review the applicable safety documentation before handling, as fine phosphor powders can pose inhalation risks and require controlled dispersion in cleanroom or fume hood environments.

This Ga-substituted YAG garnet phosphor powder provides blue-LED-excitable yellow-green emission with selectable peak wavelengths (515–545 nm), high quantum efficiency (80–92%), and controlled chromaticity, making it suitable for LED-based illumination and display applications. However, its performance depends on proper grade selection, and the powder requires sealed, dry, light-protected storage with dust-control measures during handling.

Positive

  • Blue-LED excitation compatibility: The phosphor is designed for excitation by 440–470 nm blue LED chips, enabling direct integration into standard LED packages for white or yellow-green light generation.
  • High quantum efficiency range: Available grades offer quantum efficiency values of 80–92%, supporting efficient wavelength conversion and minimizing thermal load in high-power applications.

Trade-offs

  • Moisture and light sensitivity: The phosphor must be kept sealed, dry, and protected from direct light to prevent degradation of luminescent properties during storage and handling.
  • Dust control and PPE required: Airborne dust must be minimized during transfer, and suitable laboratory protective equipment is necessary to avoid inhalation or contamination.

Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.

To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.

Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).

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