756490

Yttrium oxide, europium doped

99% trace metals basis

• Synonym(s): Europium doped yttria, Europium yttrium oxide, Red phosphor
• Empirical Formula (Hill Notation): Y_1.92Eu_0.08O₃
• CAS Number: 68585-82-0
• Molecular Weight: 230.85
• EC Number: 271-591-2
• UNSPSC Code: 12352303
• PubChem Substance ID: 329766545
• NACRES: NA.23

Properties

• Assay: 99% trace metals basis
• form: powder
• composition: Y_1.92Eu_0.08O₃
• greener alternative product characteristics: Design for Energy Efficiency; Learn more about the Principles of Green Chemistry.
• sustainability: Greener Alternative Product
• particle size: 4-8 μm
• mp: >1600 °C (lit.)
• fluorescence: λ_ex 611 nm; λ_em ±2 nm (UV excitation source)
• greener alternative category: Enabling,
• SMILES string: [Eu].O=[Y]O[Y]=O
• InChI: 1S/Eu.3O.2Y
• InChI key: CVLPANXSBBGVHI-UHFFFAOYSA-N

Description

General description

Color coordinate, x: 0.645 +/- 0.015
Color coordinate, y: 0.345 +/- 0.015

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Yttrium oxide, europium doped (Y₂O₃/Eu) is a luminescent material with high chemical stability and good resistance to corrosion. It is considered one of the best red oxide phosphors under the excitation wavelength (λ) of ~254 nm with a high melting point and high thermal conductivity. It can be synthesized by a variety of techniques such as sol-gel, solid-state reaction, hydrothermal synthesis, and wet chemical synthesis.

Application

Y₂O₃/Eu can be used for a variety of sustainable applications such as dye-sensitized solar cells (DSSCs), luminescent sensors, and light-emitting displays (LEDs).

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable