Highly transparent and self-cleaning ZnO nanorods (NRs) and ZnO@TiO core-shell (CS) nanoarrays were fabricated using the sol-gel dip-coating technique. TiO nanoparticles (NPs) were coated as a shell layer over the hydrothermally grown ZnO NRs. The number of shell layers on the ZnO NRs was varied by modulating the number of dipping cycles from 1 to 3 to optimize their transmittance.
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