- Improved Crystallinity: Annealing can enhance the crystalline structure of nanomaterials, leading to better performance in applications like semiconductors and solar cells. - Reduced Defects: By reducing the number of defects, annealing improves the mechanical strength and stability of nanomaterials. - Enhanced Electrical Properties: For materials used in electronics, annealing can improve conductivity and charge carrier mobility. - Better Optical Properties: In optoelectronics, annealing can enhance light absorption and emission characteristics.