What Techniques are Used to Control Size and Shape?
Several techniques are employed to precisely control the size and shape of nanoparticles. These include:
1. Chemical Synthesis: Methods like sol-gel processes, hydrothermal synthesis, and microemulsions allow for fine-tuning of nanoparticle dimensions. 2. Physical Methods: Techniques such as laser ablation and ball milling can be used to create nanoparticles with specific sizes and shapes. 3. Biological Methods: Utilizing biological entities like bacteria or plants can yield nanoparticles with unique shapes and sizes that are challenging to achieve through traditional methods.
