Description

Cerium(IV) Oxide-Yttria is a high-purity, mixed rare earth oxide material. This advanced inorganic compound is valued for its exceptional thermal stability and catalytic properties, making it a critical component in high-performance industrial applications. It is primarily utilized by manufacturers in the electronics, catalysis, and advanced ceramics sectors seeking reliable, high-quality raw materials.

Application

• Catalyst Formulation: A key component in automotive three-way catalysts and industrial exhaust gas purification systems for its oxygen storage capacity.
• Solid Oxide Fuel Cells (SOFCs): Used as an electrolyte or electrode material due to its high ionic conductivity at elevated temperatures.
• Advanced Ceramics: Serves as a sintering aid and stabilizer in zirconia-based structural and functional ceramics.
• Chemical Mechanical Planarization (CMP): An abrasive agent in slurries for precision polishing of semiconductor wafers and optical glass.
• UV Absorption & Glass Polishing: Employed in specialty glasses and lenses for UV filtering and as a high-performance polishing compound.
• Sensor Technology: A functional material in oxygen sensors and other electrochemical sensing devices.

Basic Information

Product Name	Cerium(IV) Oxide-Yttria
CAS No.	170033-03-1
Molecular Formula	Typically represented as (Ce,Y)O2 or CexY1-xO2-δ
Molecular Weight	Varies with Yttria content. Contact for details.
Synonyms	Yttria-Doped Ceria; Yttrium-Doped Cerium Dioxide; Ceria-Yttria Solid Solution; YDC (Yttria Doped Ceria); CeO2-Y2O3; Cerium Yttrium Oxide; (Ce,Y)O2; Yttria Stabilized Ceria
EINECS	Contact for details.

Quality Control

Our Cerium(IV) Oxide-Yttria is manufactured under a stringent quality management system. Each batch undergoes rigorous testing for chemical composition, phase purity, particle size distribution, and specific surface area to ensure consistent performance and compliance with customer specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive). Keep the container tightly sealed when not in use to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	White to pale yellow powder
Identification (XRD)	Conforms to Fluorite structure (Ce,Y)O2
Assay (CeO2 + Y2O3)	≥ 99.9%
Yttria (Y2O3) Content	8-20 mol% (Customizable)
Primary Particle Size (BET)	10-50 nm (Customizable)
Specific Surface Area (BET)	30-150 m²/g
Loss on Ignition (LOI)	≤ 2.0%
Trace Metal Impurities (ICP-MS)	≤ 100 ppm total

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.