1. Higher Efficiency: Nanomaterials like carbon nanotubes and quantum dots can significantly increase the light absorption capacity and efficiency of photovoltaic cells. 2. Aesthetics: Nanotechnology allows for the creation of flexible and transparent PV materials, enabling seamless integration with building designs. 3. Durability: Nanocoatings can provide self-cleaning and anti-reflective properties, extending the lifespan of the PV materials. 4. Cost-Effectiveness: Advances in nanotechnology can lead to cheaper material production and reduced installation costs.