LbL deposition finds applications in various fields: - Biomedical Devices: Used to create coatings for drug delivery systems, tissue engineering scaffolds, and biosensors. - Electronics: Fabrication of thin-film transistors, organic light-emitting diodes (OLEDs), and other electronic components. - Energy: Development of solar cells and supercapacitors. - Protective Coatings: Creating barrier layers for corrosion resistance, waterproofing, and scratch resistance.