Single-walled carbon nanotubesfor thermoelectricity, OD 1-2 nm, length 5-30um, purity >95%Product Type: Single-walled carbon nanotube material
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
For model selection, material specification matching, application fit or quotation confirmation, contact our technical sales team.
E-MAIL: inquiry@atomfair.com
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Supplier: Atomfair
Brand: ATOMFAIR®
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
This material requires controlled dispersion and processing to maintain structural integrity and avoid aerosolization. Environmental sensitivity to moisture and static charge necessitates storage in sealed, anti-static containers under inert atmosphere.
- Aerosolization risk: Nanotube powders may become airborne during handling, requiring use in a fume hood or glovebox with appropriate particulate filtration.
- Dispersion compatibility: Effective dispersion requires matching solvent or surfactant system to the nanotube surface chemistry to prevent agglomeration and sedimentation.
- Static discharge sensitivity: Dry nanotube powder can accumulate static charge, necessitating grounded containers and anti-static tools during transfer.
This procedure covers safe transfer and initial dispersion of single-walled carbon nanotube powder for thermoelectric film or composite preparation. Proper handling minimizes aerosol exposure and ensures uniform dispersion quality.
Required Equipment: Analytical balance with anti-static kit, Glovebox or fume hood with HEPA filtration, Ultrasonic probe or bath sonicator
- Weigh nanotube powder
Transfer the required mass of nanotube powder into a grounded, anti-static weighing boat inside a glovebox or fume hood. - Add dispersion solvent
Add the pre-selected solvent or surfactant solution to the powder at the target concentration for your workflow. - Disperse nanotubes
Sonicate the mixture using a probe sonicator at controlled amplitude and pulse cycle until a visually homogeneous suspension is obtained. - Verify dispersion quality
Inspect the suspension for visible aggregates or sedimentation; if present, adjust sonication parameters or solvent system and repeat.
How does the outer diameter of 1-2 nm affect the thermoelectric performance of these single-walled carbon nanotubes?
The outer diameter of 1-2 nm is a selection criterion for model matching against the required experiment or formulation workflow. The diameter influences the electronic band structure and carrier mobility, which directly impact the Seebeck coefficient and electrical conductivity. The product description provides this range specifically for thermoelectricity applications.
Can these single-walled carbon nanotubes be integrated into polymer composites for thermoelectric devices?
Yes, the product is designed for dispersion, composite, film, electrode, and conductivity workflows. The material form, outer diameter (1-2 nm), length (5-30 μm), and purity (>95%) are specified to support model matching for composite applications. Functionalized grades such as hydroxylated, carboxylated, and amino-modified are available upon request for enhanced compatibility.
What handling and procurement information is required before ordering these single-walled carbon nanotubes?
Before quotation, confirm the model, quantity, package size, and application requirements. The quotation request must include nanotube wall type, functionalization, diameter/length range, package size, and quantity. The product description lists pristine, hydroxylated, carboxylated, amino-modified, graphitized, doped, and coated grades as available options to match the intended workflow.
This single-walled carbon nanotube material (OD 1-2 nm, length 5-30 µm, purity >95%) is evaluated for thermoelectric applications, where its nanoscale diameter and high aspect ratio support phonon scattering for reduced thermal conductivity while maintaining electrical percolation, though the broad length distribution and powder form introduce dispersion uniformity challenges in composite fabrication.
Positive
- High purity for consistent performance: Purity >95% minimizes amorphous carbon and catalyst residue, reducing variability in electrical conductivity and thermoelectric figure of merit (ZT) measurements.
- Nanoscale diameter enhances phonon scattering: Outer diameter of 1-2 nm is below the phonon mean free path in many matrices, promoting low thermal conductivity essential for thermoelectric efficiency.
Trade-offs
- Broad length distribution complicates dispersion: Length range of 5-30 µm introduces polydispersity, requiring optimization of sonication or shear mixing protocols to achieve uniform dispersion in polymer or ink formulations.
- Powder form requires careful handling: As a dry powder, the material is prone to agglomeration and electrostatic charging, necessitating glovebox or fume hood handling and pre-dispersion steps for reproducible film or composite preparation.
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).
