Carbon Nanotubes Doped with 32 wt% Silicon (Si) Nanopowder/Nanoparticles
- SKU:
- NG01SC0605
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- Calculated at Checkout
Description
5 grams: 130€
25 grams: 295 €
100 grams: 540€
500 grams: 1350€
1000 grams: 1950€
Please contact us for quotes on larger quantities !!!
Carbon Nanotubes Doped with 32 wt% Silicon (Si) Nanopowder/Nanoparticles
Carbon Nanotubes doped with 32 wt% Silicon nanoparticles combine the outstanding electrical conductivity and mechanical resilience of CNTs with silicon’s high theoretical capacity, chemical reactivity, and lightweight nature. The hybrid structure stabilizes silicon within CNT networks, mitigating volume expansion and enhancing durability, while the near-spherical Si nanoparticles (50 nm, 85 m²/g surface area) provide high reactivity and large contact area. This synergy results in improved hardness, tensile strength, specific strength, and elastic modulus, making CNT–Si composites multifunctional materials for energy storage, electronics, biomedical systems, and advanced composites.
Technical Properties
| 32 wt% Si Nanopowder/Nanoparticles | |
| Purity | 98.5% |
| Average Particle Size (nm) | 50 |
| Specific Surface Area (m2/g) | 85.0 |
| True Density (g/cm3) | 2,4 |
| Color | yellow |
| Shape | near spherical |
| Carbon Nanotubes (Multi Walled Carbon Nanotubes) | |
| Purity | > 97 wt% |
| Color | black |
| Average Outside Diameter (nm) | > 50 |
| Average Inside Diameter (nm) | 5 |
| Length (µm) | 15-25 |
| Tap Density (g/cm3) | 0.15 |
| True Density (g/cm3) | ~2.4 |
| Specific Surface Area (m2/g) | > 65 |
| Ash | < 1.5 wt% |
| Electrical Conductivity (S/cm) | > 98 |
Applications
- Energy & Storage: CNT–Si hybrids are widely studied as lithium-ion battery anodes where silicon’s high capacity is stabilized by CNT networks to reduce volume expansion and improve cycle life, while they also enhance supercapacitors and hydrogen storage through hybrid porosity and efficient charge transfer.
- Electronics & Optoelectronics: These composites are applied in transistors, flat panel displays, and solar cells, combining CNT conductivity with silicon’s semiconducting properties to improve charge transport, optical performance, and thermal stability, while also supporting photoluminescence and template-based nanofabrication.
- Biomedical & Biosensing: CNT–Si hybrids are explored in biosensors for sensitive detection and in drug delivery systems where silicon’s biocompatibility and CNT’s functional surfaces enable controlled release, targeting, and nanoprobes for imaging and diagnostics.
- Composites & Structural Materials: In polymer and ceramic composites, CNT–Si hybrids improve tensile strength, hardness, and elastic modulus, making them suitable for aerospace, automotive, and construction applications requiring lightweight yet durable materials with added conductivity.
- Catalysis & Environmental: They act as catalyst supports in electrochemical and photocatalytic reactions, leveraging silicon’s catalytic activity and CNT’s conductive scaffolds, while also being used in gas-discharge tubes, pollutant remediation, and environmental sensing.
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