Silicon quantum dots dispersion(green), 1 mg/mL, 25 mLProduct Type: Quantum dot dispersion
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®
How does the particle size distribution of 2–10 nm in this silicon quantum dot dispersion affect its emission color purity and stability?
The product specifies a size range of 2–10 nm, indicating polydispersity. This broad distribution can lead to inhomogeneous broadening of the emission spectrum, potentially reducing color purity. The product does not provide emission spectral width or quantum yield data, so the exact impact on stability or purity is not quantified. For applications requiring narrow emission, a more monodisperse sample may be preferable.
Can this water-based silicon quantum dot dispersion be directly mixed with organic solvents for device fabrication?
The solvent is water, so the dispersion is designed for aqueous environments. Direct mixing with organic solvents may cause phase separation or aggregation. The product description does not provide compatibility data with organic solvents. Users should consider solvent exchange or surface modification for integration into organic-based processes.
What storage conditions are recommended for this aqueous silicon quantum dot dispersion to maintain optical properties?
The product description does not specify storage conditions, but it advises matching the dispersion format to the intended storage practice. For aqueous quantum dot dispersions, typical lab practice is to store at 2–8°C in the dark to minimize photobleaching and aggregation. Users should consult the manufacturer (Atomfair LLC) for validated storage guidelines.
This aqueous silicon quantum dot dispersion (green emission) at 1 mg/mL in a 25 mL format offers a broad size distribution of 2–10 nm, suitable for exploratory luminescence studies but requiring careful consideration of size-dependent optical properties and storage stability of the water-based dispersion.
Positive
- Aqueous dispersion for biological compatibility: The water solvent allows direct use in hydrophilic environments and biological assays without solvent exchange steps, simplifying preparation workflows.
- Broad size range for general studies: The 2–10 nm size distribution provides a range of quantum confinement effects, useful for initial screening or teaching laboratories where monodispersity is not critical.
Trade-offs
- Broad size distribution limits precision: The 2–10 nm range introduces significant heterogeneity in emission wavelength and quantum yield, requiring size-selective precipitation or chromatography for applications demanding narrow spectral output.
- Low concentration requires volume management: At 1 mg/mL, the 25 mL package provides only 25 mg of quantum dots; high-loading experiments may need multiple units, and the aqueous dispersion may be prone to aggregation or microbial growth over extended storage.
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).
