CaF2 Nanoparticles, 20-40 nm, 20-40nm(TEM), 10 gProduct Type: Inorganic nanopowder
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
For model selection, material form, dimensional range, concentration or package confirmation, contact our technical sales team.
E-MAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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What is the trade-off between using 20-40 nm CaF2 nanoparticles versus larger or smaller particle sizes for optical window sintering or composite doping?
The 20-40 nm (TEM) diameter range offers a balance between high surface reactivity for low-temperature sintering and manageable agglomeration in polymer or ceramic matrices. Smaller particles (<20 nm) increase surface energy and risk of uncontrolled aggregation, while larger particles (>40 nm) reduce optical transparency in nanocomposites due to increased scattering. This specific size range is optimized for applications requiring both densification at moderate temperatures and minimal light scattering in the UV-to-mid-IR transmission window of CaF2.
Can these CaF2 nanoparticles be directly dispersed in polar solvents like water or ethanol without additional surface modification?
As a white inorganic nanopowder with no stated surface coating or functionalization, these CaF2 nanoparticles will exhibit poor colloidal stability in polar solvents due to their inherent hydrophobic character and high van der Waals forces at 20-40 nm. Direct dispersion in water or ethanol will result in rapid sedimentation unless a surfactant or dispersant is added. For stable suspensions, a non-polar solvent or a tailored surface modification step is recommended prior to use.
What handling and storage precautions are required to prevent moisture uptake and particle agglomeration of 10 g of CaF2 nanopowder?
CaF2 nanoparticles are hygroscopic at the nanoscale, and the 20-40 nm powder should be stored in a sealed, dry container under inert gas (e.g., argon or nitrogen) to minimize moisture adsorption and irreversible agglomeration. Handling must be performed in a glovebox or fume hood using antistatic tools, as dry nanopowders can generate airborne dust. The 10 g package should be opened only in low-humidity conditions (<20% RH) and immediately resealed after each use to preserve the specified white powder status and particle size distribution.
This CaF2 nanopowder with a TEM-verified diameter of 20-40 nm offers a narrow size distribution suitable for optical or biomedical research, but its 10 g fixed package size and white powder form require careful handling to avoid moisture uptake and agglomeration.
Positive
- Narrow particle size distribution: The 20-40 nm diameter range, confirmed by TEM, provides consistent particle dimensions for reproducible experimental results in applications such as optical coatings or nanocomposites.
- Research-grade inorganic nanopowder: The defined material form and composition (CaF2) enable direct integration into specialized laboratory workflows without additional purification or characterization steps.
Trade-offs
- Fixed 10 g package size: The product is supplied only in a 10 g package, which may limit scalability for larger synthesis batches or multi-user facilities without ordering multiple units.
- Moisture-sensitive white powder: As a nanopowder, CaF2 is prone to moisture absorption and agglomeration under ambient conditions, requiring inert atmosphere storage or immediate use after opening to maintain particle integrity.
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).
