Investigations on Gel Grown Lead Iodide and Thin Films of Gel Grown Lead Iodide Single Crystals

Observations on Surface Microtopography of gel grown PbI crystals and thin films of gel 2 grown PbI crystals are reported. Initiation of 2 growth layers, interlacing pattern, dendritic growth, symmetry and asymmetry hexagonal arms and natural triangular etch pits were seen. The surface topography, of gel grown PbI crystals and 2 of thin films of gel grown PbI have been related to 2 the growth parameters. Crystals grown at constant 0 temperature (30 c) have been reported to be dendritic crystals. Growths patterns and etch pits formation on them are interpreted. It is established that the gel grown PbI and thin films of gel grown 2 PbI grow by two-dimensional nucleation 2 mechanism and by spreading and pilling of growth layers.