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Journal > BERKALA FISIKA > Sintesis Nanopartikel Cerium Oxide Menggunakan Metode Presipitasi dan Sifat Optiknya

 

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BERKALA FISIKA
Vol 15, No 2 (2012): Berkala Fisika
Sintesis Nanopartikel Cerium Oxide Menggunakan Metode Presipitasi dan Sifat Optiknya
Nurhasanah, Iis ( Laboratorium Fisika Material, Jurusan Fisika, Universitas Diponegoro, Semarang)
Sutanto, Heri ( Laboratorium Fisika Material, Jurusan Fisika, Universitas Diponegoro, Semarang)
Muhlisin, Zaenul ( Laboratorium Fisika Material, Jurusan Fisika, Universitas Diponegoro, Semarang)
Nurdianik, Sulistia ( Laboratorium Fisika Material, Jurusan Fisika, Universitas Diponegoro, Semarang)
Nursanti, Ida ( Laboratorium Fisika Material, Jurusan Fisika, Universitas Diponegoro, Semarang)
Article Info   ABSTRACT
Published date:
27 May 2013
 
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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