Influence of solvent in the synthesis of nano-structured ZnO by hydrothermal method and their application in solar-still

Saleh, Sayed M.; Soliman, Ahmed M.; Sharaf, Mohamed A.; Kale, Vishal; Gadgil, Bhushan

doi:10.1016/j.jece.2017.02.004

Cited by 81 publications

(24 citation statements)

References 41 publications

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“…The major peaks seen from 30 to 70 degrees are in agreement with the JCPDS file on ZnO. It is also clear that the nanocomposite contained hexagonal wurtzite ZnO with no significant crystalline impurities (Selvarajan and Mohanasrinivasan 2013;Saleh et al 2017). These two observations reveal that the crystalline structure of ZnO is undamaged by both ultrasonication and the drop casting process.…”

Section: X-raysupporting

confidence: 78%

Fabrication of ZnO/Graphene Nanocomposite by Ultrasonic Homogenization

Pfund

2018

Proc. Wisc. Space Conf.

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Indium tin oxide (ITO) is a commonly used material in the production of transparent conducting films. However, indium is toxic, environmentally unfriendly, and expensive. To remedy this issue, a new material must be developed which can serve as a replacement for ITO. This project utilized commercially available zinc oxide powder and graphene nanoplatelets to manufacture nanocomposite materials through ultrasonic homogenization. To investigate their physical properties, these nanocomposites were then subjected to UV-Vis spectroscopy, particle size analysis, scanning electron microscopy, and X-ray diffractometry. Results indicate that ZnO/Graphene nanocomposites have promising potential as an inexpensive and environmentally friendly transparent conductor.

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Section: X-raysupporting

confidence: 78%

Fabrication of ZnO/Graphene Nanocomposite by Ultrasonic Homogenization

Pfund

2018

Proc. Wisc. Space Conf.

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“…FE-SEM study (figure 4) was done to expose the morphological characteristics of the green synthesized ZnONPs. A rod-shaped [60] and identic ordination was observed in obtained micrograph images. These results are in agreement with many other green synthesized ZnONPs [61].…”

Section: Fe-sem Analysesmentioning

confidence: 85%

Green cardamom mediated phytosynthesis of ZnONPs and validation of its antibacterial and anticancerous potential

Pal

Mukherjee

et al. 2020

Mater. Res. Express

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Different conventional methods for synthesizing zinc oxide nano-particles (ZnONPs) significantly involves physical and chemical routes. But, often these synthesis processes are quite expensive and also involve the profuse use of many hazardous reagents. To overcome these problems, we have employed a convenient single step phytochemical synthesis of ZnONPs by using abundantly available bioresource, green cardamom. Aqueous extract of green cardamom served the purpose of reducing agent in the formation of ZnONPs, as the extract contains a high amount of flavonoids which hold great reducing properties. Various characterization analyses such as XRD, UV-vis, FTIR, SEM has been done to confirm the formation of ZnONPs and their size and shape. Antibacterial activity of the green ZnONPs was identified against Gram-positive as well as Gram-negative bacterial strains. Significant growth inhibition was found against all. The further anti-cancerous potential of synthesized nanoparticles was also studied on hepatocellular cell lines showing its potential to be a trustworthy anti-cancerous agent.

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“…A 10 mL of 0.4 M Zn(NO3)2.6H2O solution and 0.59 g of hexadecyl trimethylammonium bromide solution was added and stirred for 10 min. This dispersion was placed into a suitable autoclave and heated at 180 °C for 3 h. The produced ZnONPs were filtered, rinsed and dried [10]. A 100 mL of 1.0 mg mL -1 GO dispersion was prepared, 20 mg of ZnO-NPs was added and ultrasonic treatment was applied for 1 h to supply adsorption of ZnONPs onto GO sheets.…”

Section: Methodsmentioning

confidence: 99%

“…The rGO based paper is generally doped with different substances like metal nanoparticles [1], metal oxide nanoparticles [5,6], polymers [8], and dyes [2,7] to adjust the conductivity and functionality. Zinc oxide (ZnO), a semiconductor substance with a direct bandgap of 3.37 eV [10][11][12][13], is a useful material for the electrode designation because of electrochemical stability, basic and economic synthesis. This work reports the fabrication of graphene based paper-like electrode doped with zinc oxide nanoparticles (ZnONPs) using vacuum-filtration method.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of Reduced Graphene Oxide Paper Doped with Zinc Oxide Nanoparticles as Flexible Electrode Material

Erçarıkcı

Alanyalıoğlu

2021

Sakarya University Journal of Science

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The conventional electrodes like glassy carbon electrode and graphite are restricted for largescale electrochemical production and in-vivo applications. Therefore, flexible electrodes are beginning to replace with such electrodes. This work reports a simple preparation of flexible paper-like electrode material (FPEM) including reduced graphene oxide (rGO) and zinc oxide nanoparticles (ZnONPs) for possible electrochemical applications. For this purpose, graphene oxide dispersion was interacted with ZnONPs, filtered under vacuum effect through a membrane, peeled off the membrane and then reduced by hydrothermal reduction process. This FPEM was performed as working electrode for some redox processes and results revealed that rGO/ZnONPs paper allows a large potential region in acidic, basic, and neutral media for electrochemical processes.

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Influence of solvent in the synthesis of nano-structured ZnO by hydrothermal method and their application in solar-still

Cited by 81 publications

References 41 publications

Fabrication of ZnO/Graphene Nanocomposite by Ultrasonic Homogenization

Fabrication of ZnO/Graphene Nanocomposite by Ultrasonic Homogenization

Green cardamom mediated phytosynthesis of ZnONPs and validation of its antibacterial and anticancerous potential

Fabrication of Reduced Graphene Oxide Paper Doped with Zinc Oxide Nanoparticles as Flexible Electrode Material

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