Synthesis of silver nanoparticles by radiolysis, photolysis and chemical reduction of AgNO3 in Hibiscus sabdariffa infusion (karkadé)

Silver nanoparticles of different average diameters were synthesized by γ-radiolysis, UV-photolysis and chemical reduction of AgNO 3 solutions in Hibiscus sabdariffa infusion commonly known as “karkadé”. The UV-photolysis was performed either by using a conventional Hg low pressure lamp emitting at...

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Bibliographic Details
Published inJournal of radioanalytical and nuclear chemistry Vol. 307; no. 1; pp. 447 - 455
Main Authors Cataldo, Franco, Ursini, Ornella, Angelini, Giancarlo
Format Journal Article
LanguageEnglish
Published Dordrecht Springer Netherlands 2016
Subjects
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Hadrons
Heavy Ions
Inorganic Chemistry
Nuclear Chemistry
Nuclear Physics
Physical Chemistry
Radiation-induced nanoparticles formation
Colloidal silver
Kinetics rate constants
Silver nanoparticles
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Summary:Silver nanoparticles of different average diameters were synthesized by γ-radiolysis, UV-photolysis and chemical reduction of AgNO 3 solutions in Hibiscus sabdariffa infusion commonly known as “karkadé”. The UV-photolysis was performed either by using a conventional Hg low pressure lamp emitting at 254 nm and also by using a new compact UV-LED source emitting at 360 nm. The kinetics rate constant of silver nanoparticles synthesis produced by γ-radiolysis and UV photolysis were determined and the average diameter of the resulting nanoparticles was estimated.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-015-4141-2