Carbon Nanotubes/ Tin Oxide Core Shell Nanoparticles (CNT/SnO2, 99.9%, APS: 80-100nm, Nonmetallic Core)

Carbon Nanotubes/ Tin Oxide Core-Shell Nanoparticles

Carbon Nanotubes/ Tin Oxide core-shell nanoparticles are two highly regarded materials in nanotechnology due to their excellent mechanical, electrical, and optical properties. When combined in a core-shell configuration, Carbon Nanotubes/Tin Oxide (CNT/SnO2_22​) Core-Shell Nanoparticles leverage the unique benefits of both materials to create a nanomaterial with enhanced functionalities. The CNT core provides exceptional mechanical strength, electrical conductivity, and high surface area, while the SnO2_22​ shell offers useful properties like semiconducting behavior, high catalytic activity, and environmental stability.

Applications

Gas Sensors

Gas Sensing: CNT/SnO2_22​ core-shell nanoparticles are highly effective in gas sensor applications due to the combination of the high surface area and electrical conductivity of CNTs with the gas adsorption and semiconducting properties of SnO2_22​. These sensors can detect a range of gases, such as CO, NO2_22​, H2_22​, and NH3_33​, and have applications in environmental monitoring, industrial safety, and healthcare.

Sensitivity and Selectivity: The core-shell structure improves the selectivity and response time of the gas sensors, as the tin oxide shell enhances the interaction with specific gas molecules while the CNT core provides a conductive pathway for efficient signal transmission.

Energy Storage and Supercapacitors

Supercapacitors: CNTs are excellent candidates for use as electrodes in supercapacitors due to their high conductivity and large surface area. Coating the CNTs with a tin oxide shell can enhance their electrochemical performance by increasing the capacitance and charge storage capacity. This makes CNT/SnO2_22​ core-shell nanoparticles ideal for high-performance energy storage devices.

Lithium-ion and Sodium-ion Batteries: These core-shell nanoparticles can also be used in batteries, particularly lithium-ion or sodium-ion batteries. The SnO2_22​ shell can provide lithium or sodium ion storage capacity, while the CNT core can enhance electronic conductivity, improving charge and discharge rates.

Photocatalysis

Solar Water Splitting: The semiconducting properties of SnO2_22​ make CNT/SnO2_22​ core-shell nanoparticles potential candidates for photocatalytic applications, such as solar-driven water splitting for hydrogen production. The high surface area of the CNT core facilitates photocatalytic reactions, while the SnO2_22​ shell can absorb light and enhance charge separation.

Pollutant Degradation: These nanoparticles can also be used for environmental cleanup by catalyzing the degradation of organic pollutants in water or air. The SnO2_22​ shell provides a surface for pollutant adsorption and oxidation, while the CNT core improves charge transfer and reaction rates.

Electrocatalysis

Fuel Cells: The CNT/SnO2_22​ core-shell structure can be used as a catalyst in fuel cells, where SnO2_22​ catalyzes reactions like the oxygen reduction reaction (ORR) and hydrogen evolution reaction (HER). The conductive CNT core enhances electronic conductivity and charge transport, which is crucial for fuel cell efficiency.

Batteries and Supercapacitors: In addition to energy storage, these materials can be used in electrocatalytic reactions for oxygen evolution or reduction in rechargeable batteries, helping improve the energy density and efficiency of the devices.