Ultrasonic Spray Coating Technology for preparation of large area calcified iron solar cell.

Ultrasonic Spray Coating Technology for preparation of large area calcified iron solar cell. The paste is refined and evenly sprayed on the substrate, precisely controlling the coating thickness and uniformity. It can achieve high precision and uniform coating on flexible substrates, providing an effective solution for flexible perovskite battery manufacturing to meet the needs of flexible electronic devices in the future. No need for large amounts of organic solvents, reduce environmental pollution, non-contact coating method to avoid substrate damage and pollution, improve production safety. It can handle a variety of types of perovskite materials and precursor solutions, including materials with high viscosity and high solid content, and can also decompose agglomerated particles in the suspension, so that the material is uniformly dispersed, which is conducive to improving the quality of the film.