The Effect of NaOH on the Synthesis of Nano ZnO Using Red Betel Leaves (Piper crocatum) by Green Synthesis Method

Nurcahayaniati, Hikmah
Manurung, Posman
Suciyati, Sri Wahyu
Asmi, Dwi

Journal of Energy, Material, and Instrumentation Technology
Vol 6 No 3 (2025): Journal of Energy, Material, and Instrumentation Technology

ZnO has been produced using a green synthesis method. This research aims to determine the effect of  NaOH variations on ZnO nanoparticles obtained using red betel leaf extract. The variation of  NaOH used is 0,2; 0,4; 0,6;  the characterization carried out was Fourier Transformation Infra Red (FTIR), X-Ray Difraction (XRD),   Scanning Electron  Microscopy (SEM), dan Ultra Violet Vissible (UV DRS) the results of FTIR  characterization show that the functional groups in red betel leaves play a role in the information of  ZnO nanoparticles, XRD characrerization shows diffraction peaks of ZnO nanoparticles and the presence of NaNO3 phase at 0,2; 0,4; 0,6; and 1 M variation. Then, the SEM results showed a spherical morphology at a 1 M variation, and the UV-DRS results showed an absorption peak at 331 nm and a band gap energy of 3.11 eV.