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3 results on '"Kaharudin, Caesart Leonardo"'

1. Synthesis of nanocomposites reduced graphene oxide-silver nanoparticles prepared by hydrothermal technique using sodium borohydride as a reductor for photocatalytic degradation of Pb ions in aqueous solution

Author

Ciptasari, Nurhayati Indah, primary, Handayani, Murni, additional, Kaharudin, Caesart Leonardo, additional, Afkauni, Afif Akmal, additional, Hatmanto, Adhi Dwi, additional, Anshori, Isa, additional, Maksum, Ahmad, additional, Riastuti, Rini, additional, and Soedarsono, Johny Wahyuadi, additional

Published
2022
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3. Photocataylitic performance assessment of rGO-AgNPs nanocomposites using urea reductor for methyl orange dye degradation.

Author

Ciptasari, Nurhayati Indah, Handayani, Murni, Afkauni, Afif Akmal, Kaharudin, Caesart Leonardo, Hatmanto, Adhi Dwi, Maksum, Ahmad, Riastuti, Rini, and Soedarsono, Johny W.

Subjects
NANOCOMPOSITE materials, SILVER salts, SCANNING electron microscopes, UREA, GRAPHENE oxide, DYES & dyeing, UREA derivatives
Abstract

In this study, the synthesis of reduced graphene oxide-silver nanoparticles (rGO-AgNPs) was carried out simultaneously by reducing graphene oxide and silver salts. The synthesized nanocomposites were successfully characterized by using UV-vis spectroscopy, X-ray diffraction, and scanning electron microscope (SEM). Methyl Orange dye was used to study the adsorption efficiency of rGO-AgNPs nanocomposites. Parameters affecting the adsorption rate such as the effect of time and pH were investigated. The results showed that the rGO-AgNPs composite was effective in absorbing dyes of methyl orange for 3 hours with a degradation percentage of 15%. [ABSTRACT FROM AUTHOR]

Published
2024
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