Sol-gel dip coating technique Sol-gels 3 Thin films 3 Electronic equipment 2 Field emission microscopes 2 Field emission scanning electron microscopy 2 Scanning electron microscopy 2 Sol-gel process 2 Surface profilers 2 Thermoelectric equipment 2 Annealing temperatures 1 Atomic force microscopy 1 Ceramic thin films 1 Coating techniques 1 Coatings 1 Concentration quenching 1 Corrosion protection performance 1 Corrosion resistant coatings 1 Dielectric thin films 1 Direct band gap 1 Enamels 1 Energy gap 1 Film preparation 1 Film thickness 1 Glass ceramics 1 Green emission peaks 1 Metal ions 1 Molar concentration 1 Nanostructured materials 1 Optical emission spectroscopy 1