Akademik Veri Yönetim Sistemi
Inorganic Chemistry Communications, cilt.169, 2024 (SCI-Expanded)
The activities of silver (Ag) complexes of graphitic carbon nitride with different metal ratios in the catalytic reduction reaction of 4-nitrophenol to 4-nitroamine were investigated in this study. For this purpose, the compounds of urea: dicyanodiamine in a ratio of 3:7 and the Ag(NH2COCN2)6NO3 complex were reacted together in order to prepare Ag@g-C3N4 by thermal decomposition in a single step. The resulting products were analyzed by X-ray diffraction (XRD), Fourier Transform Infrared (FT-IR), Field Emission Scanning Electron Microscope- Energy Dispersive X-ray spectroscopy (SEM-EDS), and High-Resolution Transmission Electron Microscope (HR-TEM) and the binding properties of Ag in the structure were determined. AAS analysis was also used to determine the amount of silver. The catalytic activities of Ag@g-C3N4 were evaluated for the reduction of p-nitrophenol (PNP) to p-aminophenol (PAP) in the presence of excessive sodium borohydride (NaBH4) as a reducing agent by monitoring conversion at λ 400 nm. The prepared Ag@ g-C3N4 nanocatalysts were observed to have very good catalytic activity in the range of 95.1–99.6 % in the catalytic reduction reaction in which PNP was used as a model and the catalyst: substrate ratio was studied at 1:5, 1:50 and 1:100. Especially with the leaching problem and the high activity of silver atoms directly added to the g-C3N4 structure with the new synthesis technique, a new material has been added to the literature.