nanoscale tetragonal zirconia (ZrO₂) powder

Nano zirconium dioxide, with high purity and tiny particles, appears as white powder. It features high refractive index, high hardness, high toughness, and corrosion resistance, while possessing excellent chemical and thermal stability as well as outstanding biocompatibility. It is widely used in fields such as optical coatings and thin films, new energy batteries, high-performance composite materials, advanced ceramics, environmental protection catalysis, precision sensors, high-end grinding and polishing, and biomedical implants.

Specifications and Models

Product Characteristics

High purity and low impurity content;

Small particle size, narrow particle size distribution, and good dispersibility;

High refractive index (2.1~2.2), high hardness, high toughness, and corrosion resistance;

Stable chemical properties, good thermal stability, and excellent biocompatibility;

Strict quality assurance system, precise full-process control, and excellent batch consistency.

Application Fields

Optical and Functional Coatings: Used to prepare high-performance anti-reflection/anti-reflective coatings to effectively improve the transmittance of optical components; as a high-refractive-index nano-filler, it significantly increases the refractive index of optical resins and composite materials, meeting the requirements of precision optical lenses and display devices; applied to special pigments and effect pigments (such as ceramic pearlescent pigments), providing excellent weather resistance, chemical stability and unique optical effects (interference color, angle dependence).

Energy and Batteries: As a coating material on the surface of lithium-ion battery electrodes, it effectively inhibits interfacial side reactions and improves cycle stability and rate performance; it is the core material of electrolytes in solid oxide fuel cells (SOFCs), with excellent oxygen ion conductivity; it can also be used as a surface modification coating for battery separators to enhance their thermal stability, mechanical strength and electrolyte wettability.

Bioceramics: A dental restoration material with excellent biocompatibility, known for its high strength, good aesthetic effect (translucency) and bioinertness; applied to orthopedic implants (artificial joint heads, acetabular liners, bone filling materials, etc.), with high wear resistance, low friction coefficient and excellent osseointegration ability.

Sensors: As an oxygen ion conductor, it is the core sensitive component of oxygen sensors for air-fuel ratio control of automobile engines (such as narrow-band and wide-band oxygen sensors); suitable for high-temperature sensors operating at extremely high temperatures; used as a moisture-sensitive layer or base material in humidity sensors; widely used in gas sensors for detecting specific gases (such as CO, NOx, combustible gases), utilizing the changes in conductance or potential caused by surface adsorption/reaction.

Grinding and Polishing: As a key abrasive component, it is applied in ultra-precision polishing fluids for high-end precision optical glass, semiconductor wafers (silicon, compound semiconductors), sapphire covers (such as consumer electronic screens), hard disk substrates (glass/aluminum base), etc., to achieve nanoscale or even atomic-level surface roughness (Ra) and extremely low subsurface damage, meeting the stringent requirements of chemical mechanical polishing (CMP) processes.

Catalysis and Supports: Used as an important coating support and auxiliary agent (such as oxygen storage material OSC) for automobile exhaust purification three-way catalysts (TWC), improving the dispersion and catalytic efficiency of precious metals; in the petrochemical field (such as hydrodesulfurization, isomerization, synthesis) as a catalyst or catalyst support, utilizing its surface acid sites and stability; in the field of photocatalysis (such as photolysis of water, pollutant degradation) as a catalyst support or active component (or modified), utilizing its suitable band structure and photogenerated carrier characteristics.

Structural Ceramics and Functional Ceramics: Toughening phase to improve the fracture toughness and thermal shock resistance of ceramics; wear-resistant components (cutting tools, wire drawing dies); wear-resistant components achieve high hardness and low wear rate; corrosion-resistant devices ensure chemical stability in strong acid and strong alkali environments.

Electronic Packaging: High-frequency substrates reduce dielectric loss and optimize thermal conduction paths; power substrates match thermal expansion coefficients and resist thermal stress cracking; MLCC additives improve dielectric properties and grain boundary structure regulation.

Industrial Coatings: Thermal barrier coatings provide ultra-high temperature insulation protection and thermal shock resistance durability; wear-resistant linings resist erosion wear and fatigue spalling; anti-corrosion linings block chemical medium corrosion and strengthen interlayer bonding.

Aerospace: Engine thermal barrier coatings achieve ultra-high temperature protection and resistance to gas corrosion; satellite optical components maintain thermal dimensional stability and resist laser damage; thermal control coatings regulate radiative heat dissipation and adaptability to extreme temperatures.