Si O 2-coated upconverting nanoparticles(greenyellow light), 20 mgProduct Type: Upconverting nanoparticle
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
For model selection, material format, solvent, concentration or configuration confirmation, contact our technical sales team.
E-MAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
What are the emission wavelengths of the SiO2-coated upconverting nanoparticles and how do they relate to the green-yellow light designation?
The nanoparticles exhibit two emission peaks at 545 nm and 660 nm, as specified in the product description. The 545 nm peak corresponds to green-yellow light, while the 660 nm peak is in the red region. The combined emission appears green-yellow.
Can these SiO2-coated upconverting nanoparticles be used in aqueous biological buffers given they are supplied in alcohol?
The product is supplied in alcohol as the solvent. For use in aqueous biological buffers, the nanoparticles may require solvent exchange or surface functionalization. The SiO2 coating can facilitate further functionalization, but the product description does not specify compatibility with aqueous buffers. Users should confirm the dispersion format and solvent compatibility before ordering.
What is the concentration of the nanoparticle dispersion in alcohol for the 20 mg package?
The product description specifies a package size of 20 mg of nanoparticles, but does not provide the volume of alcohol or the resulting concentration. The solvent is listed as alcohol, but the concentration is not stated. For precise concentration information, users should contact the supplier via the provided email.
This SiO2-coated upconverting nanoparticle (NaYREF4) exhibits dual emission at 545 and 660 nm under NIR excitation, with a particle size of 50±10 nm dispersed in alcohol. The silica shell improves colloidal stability, but the size distribution and solvent choice impose constraints on application reproducibility and biocompatibility.
Positive
- Dual emission peaks: Emission at 545 nm (green) and 660 nm (red) enables ratiometric sensing or multiplexed detection in a single NIR excitation channel.
- SiO2 coating for stability: The silica shell provides chemical robustness, reduces surface quenching, and facilitates bioconjugation or further functionalization.
Trade-offs
- Size distribution variability: The ±10 nm tolerance on particle size may cause batch-to-batch variation in optical properties and limit reproducibility in precision applications.
- Alcohol solvent constraints: Dispersion in alcohol requires careful solvent exchange for biological or polymer-based workflows and may affect long-term colloidal stability.
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).






