The importance of size and shape control stems from the unique properties nanoparticles exhibit at the nanoscale. For instance: - Optical Properties: The color and light absorption abilities of nanoparticles can change with size and shape, crucial for applications like drug delivery and imaging. - Catalytic Activity: The surface area and reactivity are highly dependent on the particle's shape and size, impacting their efficiency in catalytic processes. - Biocompatibility and Toxicity: These properties can influence how nanoparticles interact with biological systems, affecting their suitability for medical applications.
