Characterizing the Impact of Gold Nanocolloids on the Polarization Properties of Olive Oil

Winarno Winarno, Qidir Maulana Binu Soesanto, Ketut Sofjan Firdausi, Ali Khumaeni

Abstract


We conducted the research to investigate the impact of adding gold nanoparticle colloids on the changes in the polarization angle of olive oil. This study employs the natural polarization method. A laser pointer with a wavelength of 532 nm serves as the light source in this study. We obtain the gold colloid solution using the laser ablation method and then dissolve it in the aquabidest. The samples used were olive oil and gold colloids at concentrations of 10 ppm, 20 ppm, 30 ppm, and 40 ppm. This research revealed that gold nanoparticles exhibit active optical properties characterized by nonlinear graphic patterns due to the influence of asymmetric molecules. The results also showed a straight-line connection between higher levels of gold colloid and changes in polarization angles because of the buildup of molecules that are not symmetrical. The addition of gold colloids to olive oil results in an increase in the polarization angle, which is dependent on the size of the gold colloid concentration. Although there is an improvement in optical properties, adding gold colloids does not alter the original characteristics of olive oil. This finding allows the use of gold colloids in trace detection applications and opens up opportunities for nanotechnology applications in the manufacture of new materials with adapted optical properties.

Keywords


Colloidal Gold, Optical Properties, Natural Polarization, Change In Polarization Angle.

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References


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DOI: http://dx.doi.org/10.52155/ijpsat.v44.2.6197

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