Short-Hydroxylate Double walledcarbon nanotubes, OD 2-4 nm,, length 0.5-2um, purity >60%Product Type: Double-walled carbon nanotube material
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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How does the short-hydroxylate functionalization on double-walled carbon nanotubes with OD 2-4 nm and length 0.5-2 μm affect dispersion in polar solvents compared to pristine DWCNTs?
The short-hydroxylate (-OH) groups introduce polar surface functionality, improving dispersibility in aqueous and polar organic solvents compared to pristine, non-functionalized DWCNTs. This product is specifically identified as Short-Hydroxylate Double-walled carbon nanotubes, and the manufacturer notes that functionalization grade (including hydroxylated) should be matched to dispersion or electrode workflows, though the source does not provide quantitative dispersion data or zeta potential values.
What purity and dimensional trade-offs should be considered when selecting this DWCNT material for conductive composite or electrode applications?
With a purity of >60%, this DWCNT powder contains a significant fraction of non-nanotube carbon or catalyst residues, which can limit electrical conductivity and introduce variability in composite or electrode formulations. The outer diameter of 2-4 nm and length of 0.5-2 μm affect percolation thresholds and mechanical reinforcement; shorter tubes (0.5-2 μm) may reduce entanglement density and improve processability but can lower network conductivity relative to longer DWCNTs. These trade-offs are not quantified in the source but are informed by general CNT composite behavior and the stated specifications.
What handling and storage precautions are recommended for short-hydroxylate double-walled carbon nanotubes before formulation?
While the product description does not include explicit safety or storage instructions, hydroxylated carbon nanotubes are hygroscopic and may absorb ambient moisture, potentially altering dispersion behavior. Standard laboratory practices for fine nanocarbon powders—such as storage in sealed, dry containers at room temperature and handling in a fume hood with PPE to minimize inhalation—are advisable. The supplier recommends confirming bulk quantity requirements and specification review before quotation for packaging details.
This double-walled CNT material with short hydroxyl functionalization offers a defined outer diameter (2-4 nm) and length (0.5-2 µm) to support reproducible dispersion, composite, and electrode workflows, but its >60% purity and research-grade designation require purification and scope considerations for precision applications.
Positive
- Hydroxyl Functionalization for Dispersion: Short-hydroxylate groups on the double-walled CNT surface facilitate dispersion in polar media and compatibility with composite, film, and electrode workflows, as indicated for the intended applications.
- Defined Geometry for Reproducibility: The specified outer diameter (2-4 nm) and length (0.5-2 µm) enable precise model matching, supporting reproducible experimental conditions across batches.
Trade-offs
- Purity Below 60% Threshold: At >60% purity, up to 40% amorphous carbon or catalyst residue may be present, requiring additional purification for high-precision electronics or biological applications.
- Research-Grade Classification: This material is designated for laboratory research only, not for clinical, pharmaceutical, or industrial production, limiting its use to experimental settings.
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).
