Green-Emitting Phosphor 516 nm, 22.5 nm FWHM ATOMFAIR®

$85.00

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Research-grade green phosphor AF-DG516 with 516 nm emission, 22.5 nm FWHM, CIE x=0.140/y=0.640, D50 6.5 ± 0.5 μm and density 3.6 g/cm3. Order now.

SKU: AF-PH-L-SPEC-DG51-DG51
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Decorative Green-Emitting Phosphor
Research-grade luminescent powder
Product Overview

This decorative green-emitting phosphor provides a 516 nm emission peak with defined bandwidth, chromaticity coordinates, particle size and density.

Key specifications include emission color: Green; emission peak: 516 nm; full width at half maximum (fwhm): 22.5 nm; cie chromaticity coordinates: x=0.140 ± 0.01, y=0.640 ± 0.01; relative brightness: ≥100; median particle size (d50): 6.5 ± 0.5 µm; density: 3.6 ± 0.1 g/cm³. These parameters define the available wavelength, optical-performance and physical-processing range for this product.

The product is intended for Decorative lighting. Selection should be based on the required emission wavelength or spectral distribution, excitation source, particle-size requirement where stated, processing method and final application.

Technical Specifications
Parameter Specification / Available Range
Atomfair Model AF-DG516
Product Description Decorative Green-Emitting Phosphor
Application Decorative lighting
Emission Color Green
Emission Peak 516 nm
Full Width at Half Maximum (FWHM) 22.5 nm
CIE Chromaticity Coordinates x=0.140 ± 0.01, y=0.640 ± 0.01
Relative Brightness ≥100
Color Ratio Kr=1.1%, Kg=51.9%, Kb=4.7%
Median Particle Size (D50) 6.5 ± 0.5 µm
Density 3.6 ± 0.1 g/cm³
Body Color Green-white
Key Features & Advantages
  • Defined 516 nm green emission.
  • Specified FWHM and color coordinates.
  • Controlled particle size and density.
  • Intended for decorative green-light applications.
  • Defined parameter range: Emission Color: Green; Emission Peak: 516 nm.
  • Application suitability: Designed for Decorative lighting.
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 optical 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 wavelength or spectral configuration, particle-size range, quantity and delivery destination.
PHOSPHOR SELECTION AND QUOTATION SUPPORT
For wavelength selection, particle-size confirmation and quotation support, contact our technical sales team.
E-MAIL: inquiry@atomfair.com
Manufacturer: Atomfair LLC
Brand: ATOMFAIR®

This phosphor must be stored sealed, dry, and protected from direct light to maintain optical performance. Airborne dust must be minimized during transfer, and suitable laboratory protective equipment is required.

  • Moisture Sensitivity: Keep the phosphor sealed and dry to prevent moisture degradation.
  • Light Sensitivity: Protect the phosphor from direct light exposure to preserve emission characteristics.
  • Dust Control: Minimize airborne dust generation during transfer to avoid inhalation and contamination.
  • PPE Requirement: Use suitable laboratory protective equipment, including gloves and eye protection, when handling the powder.
  • Safety Documentation: Review the applicable safety documentation before handling the phosphor.

How does the 22.5 nm FWHM of the AF-DG516 phosphor affect its color purity and trade-off with brightness in decorative lighting?

The 22.5 nm full width at half maximum (FWHM) indicates a narrow emission band, which yields a highly saturated green color as confirmed by the CIE chromaticity coordinates x=0.140 ± 0.01 and y=0.640 ± 0.01. This narrow bandwidth allows precise color control for decorative lighting but may limit overall luminous efficacy compared to broader-band phosphors; however, the relative brightness is specified as ≥100.

What is the significance of the median particle size (D50 of 6.5 µm) for processing the AF-DG516 phosphor?

The median particle size of 6.5 ± 0.5 µm and density of 3.6 ± 0.1 g/cm³ are key parameters for evaluating the phosphor's behavior in different processing methods. These values influence settling rate, dispersion stability, and coating uniformity, making them critical for applications such as sedimentation, spraying, or screen printing, as noted in the selection guidance for processing method.

What handling and storage conditions are required to maintain the AF-DG516 phosphor's performance?

The phosphor must be kept sealed, dry, and protected from direct light to prevent degradation. During transfer, minimize airborne dust and use suitable laboratory protective equipment. Reviewing the applicable safety documentation before handling is also required to ensure the material retains its specified optical and physical properties.

The AF-DG516 decorative green-emitting phosphor delivers a 516 nm emission peak with a 22.5 nm FWHM and CIE coordinates x=0.140, y=0.640, suitable for decorative lighting applications requiring defined green chromaticity and controlled particle size (D50 6.5 µm) for consistent dispersion.

Positive

  • Narrow-band green emission at 516 nm: The 22.5 nm FWHM and CIE coordinates x=0.140, y=0.640 provide a spectrally pure green output, enabling precise color matching in decorative lighting systems.
  • Controlled particle size and density: Median particle size of 6.5 ± 0.5 µm and density of 3.6 ± 0.1 g/cm³ support consistent slurry behavior and sedimentation during coating or dispensing processes.

Trade-offs

  • Moisture and light sensitivity during storage: The phosphor must be kept sealed, dry, and protected from direct light to prevent degradation of luminescent efficiency, requiring controlled storage conditions.
  • Dust generation during powder handling: Airborne dust is generated during transfer, necessitating use of laboratory protective equipment and minimization of dust exposure to ensure operator safety.

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).