Aluminum Nanoparticle Shapes and Applications

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aluminum nanoparticles, also known as aluminum dot or aluminum powder, are black spherical high surface area metal particles with average particle size of 10-30 nm and specific surface area (SSA) in the range of 30 – 70 m2/g. These high purity aluminum nanoparticles can be produced in a variety of chemical and passivated forms.

Chemically synthesized and passivated aluminum nanoparticles are a versatile aluminum material that can be used in a wide range of applications. They can be manufactured in a variety of morphological and structural forms, including spherical, silica-shelled nanopowders, and faceted particles.

Biological and biomedical research uses aluminum nanoparticles for applications such as brain-derived neurotrophic factor (BDNF) synthesis, immunotherapy, and a number of drug delivery systems. BDNF is a peptide-based protein that can be activated by neurotransmitters and receptors related to learning and memory.

Physical/chemical and plasmonic properties of aluminum nanoparticles are influenced by their shapes, which makes them ideal for many specialized applications. Rice University scientists have shown that a nanoparticle’s shape can affect its optical and catalytic properties, which could be useful for researchers seeking to manipulate the physical properties of materials to improve their performance.

A team from the Laboratory for Nanophotonics at Rice University have produced aluminum nanoparticles with different shapes and found that the most rounded shape, which has 14 sides and 24 blunt points, was more effective in using light to catalyze chemical reactions. The team’s findings offer a possible new method to produce more effective and stable aluminum nanoparticles for use in energy-related applications, such as solar cells.