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Telah dilakukan sintesis nanopartikel tembaga oksida menggunakan metode Pulsed Laser Ablation in Liquid (PLAL) pada medium aquades 10 mL dan laser Nd-YAG dengan repetation rate 10 Hz. Variasi yang diberikan yaitu waktu ablasi (20, 40 dan 60 menit), energi laser (20, 30 dan 40 mJ), panjang gelombang laser (355, 532 dan 1064 nm) dan variasi dispersan (PVP, CTAB dan SDS) dengan konsentrasi masing-masing 0,01 wt%. Nanopartikel dikarakterisasi menggunakan spektrometer untuk mengukur absorbansi nanopartikel dan Transmission Electron Microscopy (TEM) untuk menentukan distribusi serta ukuran nanopartikel. Hasil penelitian ini menunjukkan absorbansi tertinggi nanopartikel diperoleh pada parameter waktu ablasi 60 menit, energi laser 40 mJ, panjang gelombang 1064 nm dan media ablasi aquades. Nanopartikel tanpa dispersan memiliki stabilitas hingga 30 hari, sedangkan penggunaan dispersan tidak meningkatkan stabilitas nanopartikel. Rata-rata diameter nanopartikel tembaga oksida yang diperoleh yaitu tanpa dispersan = 15 nm, PVP 0,01 wt% = 12 nm, CTAB 0,01 wt% = 13 nm dan SDS 0,01 wt% = 28 nm. Copper oxide nanoparticles have been synthesized using Pulsed Laser Ablation in Liquid (PLAL) method by Nd-YAG laser with repetation rate 10 Hz in aquades medium 10 mL. Variations that have been given are ablation time (20, 40 and 60 min), laser energy (20, 30 and 40 mJ), laser wavelength (355, 532 and 1064 nm) and dispersant (PVP, CTAB and SDS) with concentrations of 0.01 wt%. Nanoparticles were characterized using a spectrometer to measure the absorbance of nanoparticles and Transmission Electron Microscopy (TEM) to determine the distribution and size of nanoparticles. The results of this study indicate that the highest absorbance of the nanoparticles obtained at 60 minutes ablation time, laser energy 40 mJ, laser wavelength 1064 nm in aquades medium. Nanoparticles without dispersant have stability up to 30 days, whereas dispersant does not improve the nanoparticles stability. The average diameter of copper oxide nanoparticles, without dispersant is 15 nm, PVP 0.01 wt% is 12 nm, CTAB 0.01 wt% is 13 nm and SDS 0.01 wt% is 28 nm respectively.Copper oxide nanoparticles have been synthesized using Pulsed Laser Ablation in Liquid (PLAL) method by Nd-YAG laser with repetation rate 10 Hz in aquades medium 10 mL. Variations that have been given are ablation time (20, 40 and 60 min), laser energy (20, 30 and 40 mJ), laser wavelength (355, 532 and 1064 nm) and dispersant (PVP, CTAB and SDS) with concentrations of 0.01 wt%. Nanoparticles were characterized using a spectrometer to measure the absorbance of nanoparticles and Transmission Electron Microscopy (TEM) to determine the distribution and size of nanoparticles. The results of this study indicate that the highest absorbance of the nanoparticles obtained at 60 minutes ablation time, laser energy 40 mJ, laser wavelength 1064 nm in aquades medium. Nanoparticles without dispersant have stability up to 30 days, whereas dispersant does not improve the nanoparticles stability. The average diameter of copper oxide nanoparticles, without dispersant is 15 nm, PVP 0.01 wt% is 12 nm, CTAB 0.01 wt% is 13 nm and SDS 0.01 wt% is 28 nm respectively. |
