Research Article

Morphological, Structural, and Optical Properties of Doped/Codoped ZnO Nanocrystals Film Prepared by Spin Coating Technique and Their Gas Sensing Application

Figure 1

Experimental procedure for spin coating technique.
(a) Clean the glass substrate
(b) Sol-gel solution of ZnO
(c) Spin coat the solution on substrates
(d) Annealing at 400°C for an hour