Achmad Gus Fahmi, Prajna Hafidhah Sekar Faresthi, Muhamad Abdulkadir Martoprawiro, Kiki Yuli Handayani, Iwan Syahjoko Saputra
In this paper, we report the colloids of silver nanoparticles were successfully prepared using Aquilaria malaccensisleaf extract. The liquid waste from laboratory experiments containing the [Ag(NH3)2]+ complex ion were used as a precursor in the synthesis of silver nanoparticles. The process of reducing Ag+ ions to Ag0 was carried out at room temperature until the solution colour changed to brown. The reduction agent source was using Aquilaria malaccensis leaf extract solution with various concentrations of 0.2:5, 0.2:10, 0.2:15, and 0.2:20 mL ratios, respectively. The silver nanoparticles which formed were optimised and characterised using a UV-Vis Spectrophotometer, Fourier Transform Infrared (FTIR) spectroscopy, X-ray diffraction (XRD) spectroscopy, and Transmission Electron Microscopy (TEM). The UV-Vis analysis showed the absorption peak spectrum of silver nanoparticles at 421 nm wavelength with colloid stability at 5 days. The crystallite size average of silver nanoparticles is 74 nm. Silver nanoparticles have a particle size of 97 nm with a spherical shape. The liquid waste from the laboratory experiments containing the [Ag(NH3)2]+ complex can be used as a source of Ag+ ions to synthesise silver nanoparticles. In addition, overcome the processing of liquid waste by utilizing it sustainable in the future. © 2024 Author(s).
Study Programme of Cosmetic Engineering, Institut Teknologi Sumatera, South Lampung, Jl. Terusan Ryacudu, Way Huwi, Kec. Jati Agung, Kabupaten Lampung Selatan, Lampung, 35365, Indonesia; Study Programme of Chemistry, Institut Teknologi Sumatera, Jl. Terusan Ryacudu, Way Huwi, Kec. Jati Agung, Kabupaten Lampung Selatan, Lampung, 3536, Indonesia; Department of Chemistry, Faculty of Mathematics and Natural Science, Institut Teknologi Bandung, Jl. Ganesa No.10, Lb. Siliwangi, Kecamatan Coblong, Kota Bandung, Jawa Barat, 40132, Indonesia
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