Comparative analysis of ZnO nanoparticle's specific capacitance in supercapacitors: The role of surfactant and stabilizing agent

Yekkaluri, Snehasree Reddy; Konda, Shireesha; Divya, Velpula; Thida, Rakesh Kumar; Chidurala, Shilpa Chakra; Tumma, Bala Narsaiah; Nama, Navaneeth Reddy; Deshmukh, Rakesh

doi:10.1016/j.apsadv.2022.100326

Cited by 11 publications

(2 citation statements)

References 53 publications

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“…These spectrums show extremely strong peaks as well as natures of ZnO NPs. The average crystal size of green synthesized ZnO NPs was calculated by Debye-Scherer's formula (Yekkaluri et al, 2022).…”

Section: Structural Studymentioning

confidence: 99%

Entomotoxicity of ZnO NPs synthesized using Clausena anisata Hook.f. ex Benth(ulmaayii) leaf extract against maize weevil, Sitophilus zeamais Mostch (Coleoptera: Curculionidae)

Gindaba,

Negeri,

Saka

2023

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The application of leaf extract to synthesize nanoparticles has been taken as a green method. In this study, the potential for synthesizing zinc oxide nanoparticles (ZnO NPs) from Clausena anisata Hook.f. ex Benth. leaf extract was investigated. The source of zinc was zinc nitrate hexahydrate (Zn(NO3)2.6H2O). The characterization study was done by Ultraviolet–visible (UV-Vis) spectroscopy, X-ray diffraction (XRD), scanning electron microscope (SEM), Transmission electron microscope (TEM) and atomic force microscopy (AFM). The crystalline shape of nanoparticles is disclosed inside the XRD result, morphology is confirmed through SEM effects, and consequently, the ZnO NPs scale was predicted. ZnO NPs were synthesized to work against Sitophilus zeamais adults. A mortality count was carried out in 14 days and all the 3 dosages (0.2 g, 0.4 g and 0.6 g) were effective in killing S. zeamais. F1 progeny emergence was highly reduced in comparison to untreated control. Maize seeds were successfully germinated after treatment application with ZnO NPs.

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Section: Structural Studymentioning

confidence: 99%

Entomotoxicity of ZnO NPs synthesized using Clausena anisata Hook.f. ex Benth(ulmaayii) leaf extract against maize weevil, Sitophilus zeamais Mostch (Coleoptera: Curculionidae)

Gindaba,

Negeri,

Saka

2023

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“…In addition, nanosized ZnO properties are morphology-dependent while ZnO can be nanostructured in a variety of morphologies by different fabrication methods. A number of publications have been devoted to the preparation of ZnO nanoparticles (NPs); [13][14][15][16] however, in previous works, insufficient attention was paid to the deposition of NPs onto surface layers and the corresponding preparation of the substrate surface. Nevertheless, as will be shown in this work, these factors play an important role in further increasing the capacitive properties of the created energy storage devices.…”

Section: Introductionmentioning

confidence: 99%

Electric field-assisted laser ablation fabrication and assembly of zinc oxide/carbon nanocomposites into hierarchical structures for supercapacitor electrodes

Tarasenka,

Kornev,

Nedelko

et al. 2024

Nanoscale

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In‐Situ Growth of 2D to 3D NiO on Nickel Foam with Enhanced Capacity Retention as Battery‐Type Electrode for Asymmetric Supercapacitor

Wihdatul Himmah,

Wulan Septiani,

Wustoni

et al. 2024

ChemNanoMat

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This work presents a systematic study to synthesize NiO on nickel foam (NF) using a straightforward and cost‐efficient hydrothermal method, followed by calcination. Through comprehensive physicochemical analyses, it was demonstrated that the properties of the resultant NF@NiO could be modulated by adjusting the concentration of the nickel nitrate hexahydrate precursor. Notably, a morphological transition from a 2D sheet‐like structure to a 3D rambutan‐like formation was observed as the precursor concentration increased. The best‐performing NF@NiO 4 mM showed a maximum areal capacity of 723 mC cm‐2 (equivalent to 547.73 F g‐1) at a current density of 0.5 mA cm‐2. This electrode also maintained remarkable cycle stability, retaining 78.9% of its capacitance after 10,000 cycles at a current density of 50 mA cm‐2 in 2 M KOH. Furthermore, ASC (NiO 4 mM//AC) achieved a specific capacitance of 64.79 F g‐1 at a current density of 1 A g‐1 with an energy density of 17.63 Wh kg‐1 at a power density of 700 W kg‐1.

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Comparative analysis of ZnO nanoparticle's specific capacitance in supercapacitors: The role of surfactant and stabilizing agent

Cited by 11 publications

References 53 publications

Entomotoxicity of ZnO NPs synthesized using Clausena anisata Hook.f. ex Benth(ulmaayii) leaf extract against maize weevil, Sitophilus zeamais Mostch (Coleoptera: Curculionidae)

Entomotoxicity of ZnO NPs synthesized using Clausena anisata Hook.f. ex Benth(ulmaayii) leaf extract against maize weevil, Sitophilus zeamais Mostch (Coleoptera: Curculionidae)

Electric field-assisted laser ablation fabrication and assembly of zinc oxide/carbon nanocomposites into hierarchical structures for supercapacitor electrodes

In‐Situ Growth of 2D to 3D NiO on Nickel Foam with Enhanced Capacity Retention as Battery‐Type Electrode for Asymmetric Supercapacitor

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