CD Skripsi
Analisa Struktur, Morfologi, Dan Sifat Optik Nanorod Zno Didoping Sulfur Sebagai Material Self -Cleaning
ABSTRACT
Pure ZnO nanorods and doped sulfur (ZnO:S) with various concentrations (0,5%; 1,0%; 1,5%; and 2,0%) have been synthesized on a glass substrate using the Successive Ionic Layer Adsorption Reaction (SILAR) method and Chemical Bath Deposition (CBD), having low cost and efficient for self-cleaning applications. XRD characterization shows that the sample has a hexagonal wurtzite structure with peaks (002), (012), (100), (101), and (110). The highest peak belongs to the ZnO:S 2,0% sample in the hkl field (100). UV-Vis characterization produced an energy gap in the range of 3.319-3.338 eV. The energy gap value of the ZnO:S samples varies and escalates with the increasing dopant concentration. The FESEM-EDX characterization shows the hexagonal pattern of the nanorod. The FESEM results shows that the ZnO:S nanorods are not uniform since the growth process becomes sulfidation. The EDX results found detectable sulfur (S) atoms in the ZnO:S sample of 2,0% due to the quite low presentation of S doping at other concentrations. The self-cleaning application test on the sample surface obtained a contact angle of
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