What are the Applications of Light in Nanotechnology?
Nanotechnology leverages the interaction of light with nanomaterials across various applications:
1. Biomedical Imaging and Therapy: Nanoparticles can be used as contrast agents in imaging techniques such as MRI and fluorescence microscopy. Additionally, photothermal and photodynamic therapy utilize light-activated nanoparticles for targeted cancer treatments.
2. Optoelectronic Devices: Nanotechnology enhances the performance of LEDs, photodetectors, and solar cells. The unique optical properties of nanomaterials improve efficiency and functionality in these devices.
3. Sensors and Biosensors: Light-responsive nanomaterials are key components in sensors for detecting chemical, biological, and environmental targets. For instance, SPR-based sensors offer high sensitivity for biomolecule detection.
4. Energy Harvesting and Storage: Nanomaterials improve the efficiency of photovoltaic cells by enhancing light absorption and reducing energy losses. Additionally, light-activated processes are explored for energy storage solutions.
