Nanorod

Nanorods are one-dimensional nanoscale objects that have lengths which are much larger than their diameters. These nanoparticles are often synthesized from metals or semiconducting materials.

Structure and Synthesis

File:Nanorods.jpg

A microscopic image of nanorods.

Nanorods, like other nanomaterials, have unique properties such as quantum confinement, which are not seen in bulk materials. These properties make nanorods useful in a variety of applications, including catalysis, solar cells, and medical imaging.

Nanorods are typically synthesized through a process known as solvent thermal method, where a metal salt is reduced in a high-boiling point organic solvent. This process results in the formation of nanorods with a narrow size distribution and high crystallinity.

Applications

Medicine

In the field of medicine, nanorods have shown promise in a variety of applications. Due to their small size and unique properties, they can be used for targeted drug delivery, cancer therapy, and as contrast agents in medical imaging.

For example, gold nanorods have been used in photothermal therapy, where they are injected into a tumor and then heated using a laser. The heat kills the cancer cells without damaging the surrounding healthy tissue.

Solar Cells

Nanorods have also been used in the development of more efficient solar cells. Their unique properties allow them to absorb and convert more sunlight into electricity than traditional solar cells.

See Also

• Nanotechnology
• Nanoparticle
• Nanomaterials
• Solar cells
• Medical imaging

References

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