High-purity monoclinic nano-zirconia

Nano zirconium dioxide, with high purity, tiny particles, and a white powder form. It possesses characteristics of high refractive index, high hardness, high toughness, and corrosion resistance, along with excellent chemical and thermal stability and outstanding biocompatibility. It is widely used in optical coatings and thin films, new energy batteries, high-performance composite materials, advanced ceramics, environmental catalysis, precision sensors, high-end grinding and polishing, and biomedical implantation, among other fields.

Specifications

Product Features

High purity with 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 control throughout the process, and excellent batch consistency.

Application Fields

Optical and Functional Coatings: Used to prepare high-performance anti-reflection/anti-reflective films, effectively improving the transmittance of optical elements; as a high-refractive-index nanofiller, it significantly enhances the refractive index of optical resins and composite materials, meeting the needs of precision optical lenses and display devices; applied in 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 surface coating material for lithium-ion battery electrodes, it effectively suppresses interfacial side reactions and improves cycle stability and rate performance; it is a core material for 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, renowned for its high strength, good aesthetic effect (translucency), and bio-inertness; applied in orthopedic implants (artificial joint heads, acetabular liners, bone graft materials, etc.), with high wear resistance, low friction coefficient, and excellent osseointegration ability.

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

Grinding and Polishing: As a key abrasive component, it is used 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-based), 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 Carriers: Used as an important coating carrier and additive (such as oxygen storage material OSC) for automotive exhaust purification three-way catalysts (TWC), improving noble metal dispersion and catalytic efficiency; in the petrochemical field (such as hydrodesulfurization, isomerization, synthesis), used as a catalyst or catalyst carrier, utilizing its surface acid sites and stability; in the field of photocatalysis (such as water splitting, pollutant degradation), used as a catalyst carrier or active component (or modified), utilizing its suitable band structure and photogenerated carrier characteristics.

Structural Ceramics and Functional Ceramics: Toughening phase to improve ceramic fracture toughness and thermal shock resistance; wear-resistant components (cutting tools, wire drawing dies); wear-resistant parts to achieve high hardness and low wear rate; corrosion-resistant devices to 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 thermal insulation protection and thermal shock resistance durability; wear-resistant linings resist erosion wear and fatigue spalling; corrosion-resistant linings block chemical medium corrosion and enhance 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 adapt to extreme temperatures.