1. Enhanced Efficiency: The use of quantum dots and other nanomaterials allows for higher light absorption and conversion efficiency. 2. Flexibility: Nano photovoltaic cells can be made on flexible substrates, enabling applications in wearable electronics and portable devices. 3. Cost-Effectiveness: The potential for low-cost production through methods like roll-to-roll processing can reduce manufacturing costs. 4. Lightweight: Nano materials are often lighter than traditional materials, making them ideal for use in aerospace and portable applications.