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Sintesis Nanopartikel Cerium Oxide Menggunakan Metode Presipitasi dan Sifat Optiknya

*Iis Nurhasanah  -  Laboratorium Fisika Material, Jurusan Fisika, Universitas Diponegoro, Semarang, Indonesia
Heri Sutanto  -  Laboratorium Fisika Material, Jurusan Fisika, Universitas Diponegoro, Semarang, Indonesia
Zaenul Muhlisin  -  Laboratorium Fisika Material, Jurusan Fisika, Universitas Diponegoro, Semarang, Indonesia
Sulistia Nurdianik  -  Laboratorium Fisika Material, Jurusan Fisika, Universitas Diponegoro, Semarang, Indonesia
Ida Nursanti  -  Laboratorium Fisika Material, Jurusan Fisika, Universitas Diponegoro, Semarang, Indonesia

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Abstract

Cerium oxide nanoparticles have been synthesized using precipitation method in mixed-solvent system of aquades DM and isopropanol with volume rasio of 1:6.  Presipitation wascarried out by dropping amonium hidroxide to cerium nitrate hexahydrate solution until pH of 9. Precipitated was dried at temperature of 60oC for 2 hours and then calcined  for 2 hours attemperatur of 200oC, 300o and 400oC. Optical properties of cerium oxide nanoparticles werecharacterized using UV-Vis spectrophotometer. Cerium oxide nanoparticles exhibit goodtransparency in visible region and strong UV absorbance. These reults suggesting that ceriumoxide nanoparticles are potential as bionanomaterial for application in UV-blocker.

Keywords: cerium oxide, nanoparticles, precipitation, UV filter, band gap energy, UV-Visspectrophotometer

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Last update: 2024-02-29 22:19:08

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