Synthesis, characterization and photocatalytic application of Sophora mollis leaf extract mediated silver nanoparticles

Author:

Nazir Arif1,Farooq Saqib1,Abbas Mazhar2,Alabbad Eman A.3,Albalawi Hind4,Alwadai Norah4,Almuqrin Aljohara H.4,Iqbal Munawar1

Affiliation:

1. Department of Chemistry , The University of Lahore , Lahore 53700 , Pakistan

2. Department of Biochemistry, College of Veterinary and Animal Sciences (Jhang-Campus) , University of Veterinary & Animal Sciences , Lahore , Pakistan

3. Department of Chemistry, College of Science , Imam Abdulrahman Bin Faisal University , Dammam 31441 , Saudi Arabia

4. Department of Physics, College of Sciences , Princess Nourah bint Abdulrahman University (PNU) , Riyadh 11671 , Saudi Arabia

Abstract

Abstract This study reports green synthesis and characterization of silver nanoparticles (Ag NPs) from Sophora mollis leaf extract. The use of S. mollis extract for preparation of Ag NPs was investigated using different techniques. Dark brown color indicates formation of nanoparticles. Fourier transform infra-red (FTIR) analysis revealed that plant extract act as a reducing and capping agent. Morphological aspects of Ag NPs were ascertained by means of SEM studies. Energy dispersive and FTIR spectroscopy results showed chemical composition and plant extract functionality respectively. X-ray diffraction (XRD) analysis showed particle size of 70 nm. Antibacterial activity of NPs was investigated by disc diffusion and minimum inhibitory concentration method. Antioxidant activity of NPs was shown by DPPH assay. The photo catalytic efficiency of synthesized Ag NPs was evaluated by degradation of methylene blue (MB) dye under UV irradiation. Ag NPs degraded MB dye up to 88% in 160 min. It is concluded that these NPs could be employed for degradation of toxic industrial effluents. Result proved the green synthesis of Ag NPs from S. mollis extract is clean, economical and safe method.

Publisher

Walter de Gruyter GmbH

Subject

Physical and Theoretical Chemistry

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