Nanoparticles synthesis by electron beam radiolysis

• Autorzy: Ioan Călinescu , Diana Martin , Daniel Ighigeanu , Adina Gavrila , Adrian Trifan , Mariana Patrascu , Cornel Munteanu , Aurel Diacon , Elena Manaila , Gabriela Craciun
• Języki publikacji: EN

Abstrakty

EN

Electron beam (EB) irradiation is a useful method to generate stable silver nanoparticles without the interference of inherent impurities generated from chemical reactions. Our experiments were carried out using linear electron beam accelerators with two different EB absorbed dose rates: 2 kGy min−1 and 7–8 kGy s−1, and with different absorbed dose levels. The optimum conditions for silver nanoparticles (AgNPs) generation by radiolysis, or by radiolysis combined with chemical reduction, were established. In order to obtain a good yield for AgNPs synthesized by radiolysis, a high dose rate is required, resulting in a rapid production process. At low absorbed dose rates, the utilization of a stabilization agent is advisable. By modifying the experimental conditions, the ratio between the chemical and radiolytic reduction process can be adjusted, thus it is possible to obtain nanoparticles with tailored characteristics, depending on the desired application.

Słowa kluczowe

EN

Silver nanoparticles; Electron beam; Radiolysis

• Czasopismo: Open Chemistry
• Rocznik: 2014
• Tom: 12
• Numer: 7
• Strony: 774-781

Daty

wydano

2014-07-01

online

2014-04-30

Twórcy

autor

Ioan Călinescu

• University Politehnica of Bucharest

autor

Diana Martin

• National Institute for Lasers

autor

Daniel Ighigeanu

• National Institute for Lasers,

autor

Adina Gavrila

• University Politehnica of Bucharest

autor

Adrian Trifan

• University Politehnica of Bucharest

autor

Mariana Patrascu

• S.C. CHEMSPEED S.R.L. member of PRIMOSAL Group

autor

Cornel Munteanu

• Romanian Academy

autor

Aurel Diacon

• University Politehnica of Bucharest

autor

Elena Manaila

• National Institute for Lasers

autor

Gabriela Craciun

• National Institute for Lasers

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Identyfikatory

DOI

10.2478/s11532-014-0502-x