Green synthesis and characterization of nanostructured ZnO thin films using Citrus aurantifolia (lemon) peel extract by spin-coating method

Çolak, Hakan; Karaköse, Ercan

doi:10.1016/j.jallcom.2016.08.090

Cited by 94 publications

(33 citation statements)

References 22 publications

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“…Figure 4 shows SEM images of ZnO nanoparticles at different temperatures (25,60, and 90 °C). It can be observed that the increase in temperature caused the increase in the size of ZnO NPs (87.5-116 nm) which indicate the reduction rate of metal ions increased by temperature; because high temperature will lead to too high reaction kinetics.…”

Section: Influence Of Temperature On Zinc Oxide Nanoparticles Synthesmentioning

confidence: 99%

“…There are many reports that plant extracts / different parts of plant have been used for the synthesis of ZnO NPs, such as Trifolium pratense flower extract [21], Aloe vera leaf extracts [22], Rosa canina fruit extract [23], Physalis alkekengi L. seed extract [24], and Citrus aurantifolia (lemon) peel extract [25], C. aurantifolia [26], dried sap of shoots and roots of Astragalus gummifer [27], Hibiscus rosasinensis [28], leaf extract of Azadirachta indica [29], Leaf extract of Camellia sinensis [30], Zea mays leaf extract [31], aqueous extract of Abutilon indicum [32] and Dittrichia graveolens aqueous extract [33]. The synthesis of ZnO NPs was studied with the leaf extract of Ocimum tenuiflorum and was characterized by scanning electron microscopy (SEM), Fourier infrared transformation spectroscopy (FTIR) and X-ray diffraction (XRD).…”

Section: Introductionmentioning

confidence: 99%

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Influence of temperature and concentration on biosynthesis and characterization of zinc oxide nanoparticles using cherry extract

2018

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Due to distinguishing characteristics of nanoparticles (NPs) in terms of size, shape, chemical composition, transmittal and different applications, nanotechnology is considered as an interesting domain of research. Application of metallic NPs is important because of the diminution of dimensions and thus the unique thermal, optical and electronic properties. This research attempts to explore the synthesis of zinc oxide NPs. Zinc oxide NPs have been synthesized using cherry extract under different pH, temperature and concentration and then optimum conditions for the synthesis of them were determined. For further investigations, UV-Vis spectroscopy, scanning electron microscopy (SEM), X-ray diffraction (XRD) and Fourier infrared transformation spectroscopy (FTIR) were used. The solution containing zinc oxide NPs showed a major absorbance of 378 nm which confirmed the synthesis of zinc oxide NPs, and spherical morphology of NPs was observed in SEM images. Zinc oxide NP sizes were 6.5 and 20.18 nm which are obtained by UV-Vis spectra and XRD spectrum, respectively. Also, based on the FTIR spectra of the extract obtained before and after the synthesis, the existence of the reducing agents in herbal extract was confirmed. According to this study, the biological synthesis of NPs using plant extracts can be considered as a cost-effective and efficient method of biological synthesis of NPs and it could be an appropriate replacement to typical chemical methods for the synthesis of NPs.

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Section: Influence Of Temperature On Zinc Oxide Nanoparticles Synthesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Influence of temperature and concentration on biosynthesis and characterization of zinc oxide nanoparticles using cherry extract

2018

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“…6H 2 O) can transform in to ZnO nanoparticles. The action of different biological compounds as both chelating and capping agents, the proposed mechanism of reaction shows how [1,2,30]. Glucopyranoside has been chosen as a representative compound to propose the mechanism.…”

Section: Fourier Transform Infrared (Ftir) and Proposed Mechanism Of mentioning

confidence: 99%

“…It has been reported that ZnO nanoparticles can readily agglomerate, owing to their high surface energy [24]. [1,2,30]. In the biological synthesis method, the use of plant extracts, fungi, microbes, and raw materials of fruits and vegetables are used for synthesis of metal and metal oxide NPs [26,31,32].…”

Section: Introductionmentioning

confidence: 99%

The Study of Structural, Physical and Electrochemical Activity of Zno Nanoparticles Synthesized by Green Natural Extracts of Sageretia Thea

Mayedwa¹,

Khalil²,

Mongwaketsi³

et al. 2017

Nano Res Appl

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In this contribution an exceptionally simple, cost effective and reliable method for biosynthesis of ZnO nanoparticles through using Sageretia thea natural extracts as an effective chelating agent. The morphological analysis shows ZnO has nanoscale particles size 28.09 nm ± 5 nm, crystalline and possess distinct nanostructure hexagonal wurtzite structure. Effects of heat on ZnO synthesised at room temperature caused bonds with in the molecule to be broken exhibited continuous weight loss with 3 quasi sharp changes and 3 endothermic peaks occurring at 79°C, 228°C and 300°C. A proposed mechanism of reaction for Zn(NO 3 ) 2 6H 2 O precursor with bioactive compounds in Sageretia thea extract such as phenolic acid, flavonoids, natural sterolin and vitamin based compounds to form ZnO nanoparticles. Electrochemically ZnO nanoparticles are electroactive by exhibiting charge transfer resistance (R ct ) 82006 Ω and bare GCE 3.7707 × 10 5 Ω. Showed good catalytic and conductivity which can be applied for pseudo capacitors.

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“…The nanoscaled of ZnO has adopted one of the greatest metal oxides attributable to its premium electrical and optical properties. It's nanosized ZnO substance has a large application in optoelectronics, solar battery, gas sensors, voltage-dependent resistor 16 , catalysis, biosensors, and biomedicine, etc. 17 The different techniques were used for manufacturing ZnO NPs are Sol-crystallize processing, solid precipitation, organometallic synthesis, aerosol pyrolysis, melting evaporation, microwave practice, automatic milling and mechano -enzymatic synthesis.…”

mentioning

confidence: 99%

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2020

IJPSR

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Biosynthesis of nanoparticles by biological means especially plant extract plays a major role in the field of nanotechnology. In the present study, the aqueous extract of lemon peel (Citrus limon) was used for the green synthesis of ZnO nanoparticles using 0.1 M Zn(NO 3 ) 2 as a precursor in alkaline condition using NaOH with vigorous stirring for 3 h. ZnO NPs obtained were characterized by UV-vis spectroscopy in which the surface Plasmon resonance was 310 nm, followed by XRD, FTIR that showed appropriate speaks for various chemical groups present including ZnO NPs and AFM results shows monodispersed in nature. Further, the antibacterial property of ZnO NPs synthesized by the green method was revalued by the well diffusion method. The zone of inhibition was found to be 9 mm for 100 µL and 7 mm for 100 µL for respective strains Klebsiella aerogene and Serratia marcescen. Significant antioxidant activity was exhibited by NPs through scavenging of 1, 1-Diphenyl-2-picrylhydrazyl (DPPH) free radicals. Thus, the use of aqueous peel extract as a capping agent would improve the antibacterial property of ZnO nanoparticle and can be developed as antibacterial agents against a wide range of microorganisms to control and prevent the spreading and persistence of bacterial infections. Followed by Edax and Zeta was also included.

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Green synthesis and characterization of nanostructured ZnO thin films using Citrus aurantifolia (lemon) peel extract by spin-coating method

Cited by 94 publications

References 22 publications

Influence of temperature and concentration on biosynthesis and characterization of zinc oxide nanoparticles using cherry extract

Influence of temperature and concentration on biosynthesis and characterization of zinc oxide nanoparticles using cherry extract

The Study of Structural, Physical and Electrochemical Activity of Zno Nanoparticles Synthesized by Green Natural Extracts of Sageretia Thea

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