Role of irradiation in the green synthesis of silver nanoparticles mediated by fig (Ficus carica) leaf extract

Bulent Ulug, M. Haluk Turkdemir, Ahmet Cicek, Ahmet Mete

Araştırma sonucu: Dergi katkısıMakalebilirkişi

104 Alıntılar (Scopus)

Özet

Biosynthesis of silver nanoparticles in an aqueous mixture of fig (Ficus carica) leaf extract and AgNO3 solution exposed to a set of irradiances at different wavelengths are studied. Nanoparticle formation for irradiances between 6.5 mW/cm2 and 13.3 mW/cm2 in the 330-550 nm wavelength range is investigated and the results are compared to those of the nanoparticles synthesized in the dark and under direct sunlight. Ultraviolet-visible spectroscopy, Fourier-transform infrared spectroscopy and proton nuclear magnetic resonance spectroscopy, along with particle size analysis and transmission electron microscopy are employed for the characterization of samples and extracts. Irradiance is found to have profound influence on the reduction rates. However, size and spherical shape of the nanoparticles are persistent, irrespective of irradiance and wavelength. Irradiance is discussed to influence the particle formation and aggregation rates through the formation of free radicals in the fig extract.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)153-161
Sayfa sayısı9
DergiSpectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
Hacim135
DOI'lar
Yayın durumuYayınlanan - 25 Oca 2015
Harici olarak yayınlandıEvet

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