Description

5 grams:170€
25 grams:345 €
100 grams:650€
500 grams: 1740€
1000 grams: 2950€

Please contact us for quotes on larger quantities !!!

Carbon Nanotubes Doped with 52 wt% Silicon (Si) Nanopowder/Nanoparticles

Carbon Nanotubes doped with 52 wt% Silicon (Si) nanoparticles combine the outstanding electrical conductivity and mechanical resilience of CNTs with silicon’s high theoretical capacity, chemical reactivity, and lightweight nature. This hybrid material delivers significant improvements in tensile strength, elastic modulus, and durability while enabling advanced electrochemical performance. CNT–Si composites are particularly attractive for next-generation lithium-ion batteries, where silicon’s high capacity is stabilized by CNT networks that mitigate volume expansion and improve cycle life. Beyond energy storage, the combination of CNTs and silicon opens opportunities in electronics, biosensing, catalysis, and structural composites.

Technical Properties

52 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. They also enhance supercapacitors by combining high conductivity with large surface area.
Electronics & Optoelectronics: Applied in transistors, solar cells, and flat panel displays, CNT–Si composites improve charge transport, thermal stability, and mechanical robustness. Their hybrid structure also supports photoluminescence devices and templates for 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 and targeting.
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.
Catalysis & Environmental: They act as catalyst supports in electrochemical and photocatalytic reactions, while silicon’s chemical reactivity enhances performance. CNT–Si hybrids are also used in nanoprobes, gas-discharge tubes, and pollutant remediation.

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