Silicon quantum dots Solution dispersion(blue), 5 mg/mL, 5 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 2–10 nm size distribution of these silicon quantum dots affect the emission wavelength uniformity for blue fluorescence applications?
The product is specified as blue-emitting, and the 2–10 nm size range is characteristic of silicon quantum dots that fluoresce in the blue region. However, the exact emission wavelength and uniformity are not quantified in the product description; the size range indicates potential inhomogeneous broadening. Users should expect that the blue emission color is consistent with the typical quantum confinement effect for this size regime, but the specification does not provide a peak wavelength or full-width at half-maximum.
Can the ethanol-based silicon quantum dot dispersion be directly mixed with aqueous or other organic solvents for integration into existing formulations?
The dispersion solvent is ethanol at 5 mg/mL, and ethanol is miscible with water and many organic solvents. The product description does not provide compatibility data for other solvents, so direct mixing should be validated experimentally. The concentration and solvent are explicitly stated, and users should confirm that the intended solvent system does not precipitate or destabilize the quantum dots.
What storage and handling conditions are required to maintain colloidal stability and optical properties of this silicon quantum dot dispersion?
The product description does not specify storage temperature, light sensitivity, or shelf life, but as a 5 mL ethanol-based dispersion at 5 mg/mL, standard practice dictates storage in a sealed container away from light, heat, and freeze-thaw cycles to prevent evaporation and aggregation. The selection notes advise matching the dispersion format to the intended storage practice, but no quantitative stability parameters are provided.
Silicon quantum dots (blue-emitting) in ethanol dispersion at 5 mg/mL with particle size 2-10 nm, supplied in 5 mL package. The ethanol solvent enables direct use in solution processing but imposes solvent compatibility constraints; the small volume and concentration are suited for proof-of-concept studies rather than production-scale work.
Positive
- Defined size and concentration: The 2-10 nm particle size range and 5 mg/mL concentration are explicitly specified, enabling reproducible optical characterization and direct comparison across experiments.
- Ready-to-use ethanol dispersion: The ethanol-based dispersion format eliminates the need for redispersion, allowing immediate integration into solution-phase processing workflows such as spin-coating or drop-casting.
Trade-offs
- Ethanol solvent compatibility limit: Ethanol may restrict use with moisture-sensitive polymers, biological matrices, or high-temperature processing due to its volatility and potential toxicity, requiring solvent exchange steps for some applications.
- Limited volume and concentration: The 5 mL package at 5 mg/mL provides only 25 mg of total quantum dots, which is insufficient for high-throughput screening, large-area film fabrication, or repeated optimization cycles.
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).
