Akademik Veri Yönetim Sistemi
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS, cilt.37, sa.2, 2026 (SCI-Expanded, Scopus)
2-phenyl-5-(pyridine-4-yl)-1,3,4-oxadiazole (PYY-OXD) thin films were produced by the spin-coating method. The produced films were annealed at four different temperatures: 60 degrees C, 80 degrees C, 100 degrees C, and 120 degrees C, and the optimum annealing temperature was determined as 60 degrees C. Then, to investigate the effect of molarity on the structural and optical properties of thin films, precursor solutions were prepared at two different concentrations, 0.05 M and 0.10 M. The data obtained clearly demonstrate that the concentration of the precursor solution strongly affects its crystallinity, film thickness, and optical transmittance. Films prepared from the 0.05 M solution achieved transmittance values of up to 80%, while films prepared from the 0.10 M solution showed a decrease in transmittance and an improvement in crystallinity. The calculated band gap values were 2.97 eV for 0.05 M and 3.33 eV for 0.10 M, depending on this molarity. Also, the 0.10 M PYY-OXD films showed a good antireflection behavior, with average reflectance values dropping to as low as 6.89%.