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.
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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 agglomeration. Environmental sensitivity to moisture and oxygen may affect performance in thermoelectric applications.
- Dispersion compatibility: Match the nanotube wall type, functionalization, and dimensional specification to the intended dispersion solvent or polymer matrix to prevent aggregation.
- Processing sensitivity: Avoid prolonged exposure to high shear forces during mixing, which can shorten tube length and reduce electrical conductivity.
- Contamination risk: Store in a sealed container under inert atmosphere to minimize adsorption of ambient moisture and organic vapors that alter surface properties.
What is the specified purity of these SWCNTs and how does it impact thermoelectric performance?
The product has a purity of >95%, which minimizes defect-related scattering and supports higher electrical conductivity, a key parameter for thermoelectric figure of merit. The outer diameter of 1-2 nm and length of 5-30 μm are also selected to optimize the balance between electrical and thermal transport. No specific thermoelectric performance values are provided in the product specification.
Can these SWCNTs be used directly for thermoelectric film fabrication without additional functionalization?
The product is supplied as pristine single-walled carbon nanotubes, suitable for direct use in dispersion, film, or composite workflows. For applications requiring compatibility with polar solvents or polymers, functionalized grades (hydroxylated, carboxylated, amino-modified, etc.) are available and can be matched to the specific application. The material form is CNT powder, requiring dispersion processing before film fabrication.
What is the physical form of this product and what packaging options are available?
The product is supplied as a CNT powder, as indicated in the specification confirmation. The specific package size and quantity are confirmed upon quotation, with options for various sizes to match laboratory procurement needs. Standard handling precautions for nanomaterial powders should be observed, though the product description does not detail specific storage conditions.
This single-walled carbon nanotube material (OD 1-2 nm, length 5-30 µm, purity >95%) is evaluated for thermoelectricity research, where its narrow diameter distribution and high purity support consistent electronic transport properties, though the broad length range and powder form introduce dispersion and handling constraints for film or composite fabrication.
Positive
- High purity for consistent transport: Purity >95% minimizes amorphous carbon and catalyst residue, reducing variability in electrical conductivity and Seebeck coefficient measurements critical for thermoelectric performance evaluation.
- Narrow diameter range for bandgap tuning: Outer diameter of 1-2 nm provides a relatively narrow distribution, enabling reproducible electronic band structure and phonon scattering behavior in thermoelectric nanocomposites.
Trade-offs
- Broad length distribution complicates dispersion: Length range of 5-30 µm introduces heterogeneity in aspect ratio, requiring optimization of sonication or shear mixing protocols to achieve uniform dispersion in polymer or solvent matrices.
- Powder form requires careful handling: As a dry powder, the material is prone to airborne particulate generation and electrostatic clumping; handling in a fume hood with antistatic tools is recommended to avoid contamination and inhalation.
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).
