Abstract
In this study, zinc oxide nanoparticles (ZnONPs) were synthesized using Punica granatum peel extract in one–step reaction at room temperature. Zinc oxide nanoparticles were characterized by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), ultraviolet visible spectroscopy (UV-vis) and scanning electron microscopy (SEM). The UV-vis absorption spectrum shows an absorption band at 278 nm due to ZnO nanoparticles. XRD characterized the final product as highly crystalline ZnO with sizes in the range 10-40 nm. The SEM results reveal a presence of network of randomly oriented ZnO nanoplatelets with an average size of 40 nm and thicknesses of about 8 nm. This study determined the effect of zinc oxide nanoparticles on green peach aphid and antibacterial activity.
Highlights
Zinc oxide has a potential application in sensors, solar cells, UV lasers, semiconductors, hydrogen storage devices, and catalysts
Fourier transform infrared spectroscopy (FT-IR) spectrum of the synthesized ZnONPs, Figure 3 indicated a new chemistry linkage on the surface of ZnO nanoparticles. This suggests that Punica granatum peel extract can bind to zinc oxide nanoparticles through carbonyl of the amino acid residues in the protein of the extract, acting as stabilizer and dispersing agent for synthesized zinc oxide nanoparticles and prevent agglomeration of nanoparticles
The main characteristic peaks of Punica granatum peel extract were observed in FT-IR spectrum of zinc oxide nanoparticles; the FT-IR spectrum of the ZnO nanoparticles show strong and sharp peaks at 567 cm-1 and 440 cm-1
Summary
Zinc oxide has a potential application in sensors, solar cells, UV lasers, semiconductors, hydrogen storage devices, and catalysts These application led many researchers to develop different routes to synthesis zinc oxide nanoparticles such as chemical route (Singh & Gopal, 2008; Abbasi et al, 2017), hydrothermal route (Ipeksac et al, 2013; Peng et al, 2016), sol-gel template process (Kumari et al, 2010; El Ghoul et al, 2012), photoluminescence emission technique (Rocha et al, 2014), microwave-assisted hydrothermal and decomposition (Tseng et al, 2012; Mousa et al, 2013), aerosol process (Ozcelik & Ergun, 2014), sonochemical synthesis (Zak et al, 2013), laser ablation (Thareja & Shukla, 2007), microemulsion method (Yıldırım & Durucan, 2010), precipitation method (An et al, 2014), hydrolyzed in polar organic solvents (Ehlert et al, 2014), solid-state thermal decomposition (Soofivand et al, 2013), microwave synthesis (Sutradhar et al, 2016). Different plants extracts have been reported in the open literature for green synthesis of zinc oxide nanoparticles, such as Olea europea (Awwad et al, 2014), Eichhornia crassipes leaf (Vanathi et al, 2014), Aloe barbadensis Miller leaf (Sangeetha et al, 2011), Hibiscus subdariffa leaf (Bala et al, 2015), Solanum nigrum leaf (Ramesh et al, 2015), Camelia sinesis leaf (Shah et al, 2015), Hibiscus rosa-sinensis (Devi & Gayathri, 2014), Cassia fistula plant extract (Suresh et al, 2015), Ocimum tenuiflorum leaves (Raut et al, 2015), Trifoliumpratense flower extract (Dobrucka & Dugaszewska, 2016), Mimosa Pudica leaves and coffee powder (Fatimah et al, 2016), Rambutan peel extract (Karnan & Selvakumar, 2016) Jacaranda mimosifolia flowers (Sharma et al, 2016), Terminalia chebula fruits (Rana et al, 2016) and Azadirachia indica (Madan et al, 2016)
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