Microplasma-assisted electrochemical synthesis of Co<sub>3</sub>O<sub>4</sub>nanoparticles in absolute ethanol for energy applications

Ni, Chengsheng; Carolan, Darragh; Rocks, Conor; Hui, Jianing; Fang, Zeguo; Padmanaban, Dilli Babu; Ni, Jiupai; Xie, Deti; Maguire, Paul; Irvine, John T. S.; Mariotti, Davide

doi:10.1039/c8gc00200b

Cited by 40 publications

(28 citation statements)

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“…A microplasma‐liquid method was designed to synthesize cuprous oxide (Cu 2 O) NPs with the size ranging from 400 to 600 nm . It was further demonstrated that crystalline Co 3 O 4 NPs with the diameters 2–5 nm can be fabricated by using Co foil as the anode in the microplasma‐enhanced electrochemical reactor operated at ambient conditions . The Co 3 O 4 NPs produced in this method can be dispersed in ethanol and then used to fabricate thin films for light absorption and light‐emitting diode applications.…”

Section: Production Of Advanced Nanomaterialsmentioning

confidence: 99%

Microplasmas for Advanced Materials and Devices

et al. 2019

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DavideMariotti is a Professor of Plasma Science and Nanoscale Engineering with Ulster University in UK. He has previously worked internationally in Japan and USA and both in academic and industry. His research encompasses the design and development of innovative plasma-based processes to explore new materials opportunities. Concurrently to a strong application focus in photovoltaics and more broadly in energy applications, his research is also strongly driven by scientific discovery. Kostya (Ken) Ostrikov is aProfessor with Queensland University of Technology, Australia, a Founding Leader of the CSIRO-QUT Joint Sustainable Processes and Devices Laboratory, and Academician of the Academy of Europe and the European Academy of Sciences. His research focuses on nanoscale control of energy and matter contributes to the solution of the grand challenge of directing energy and matter at nanoscales, to develop renewable energy and energy-efficient technologies for a sustainable future.is made on synergistic, complementary features of the plasmas that make them a versatile tool in materials-related applications.We therefore examine the recent progress in microplasmabased synthesis of advanced nanomaterials, highlight the key features of microplasmas, and discuss salient examples of Adv.

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Section: Production Of Advanced Nanomaterialsmentioning

confidence: 99%

Microplasmas for Advanced Materials and Devices

et al. 2019

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“…The synthesis of CoPt 3 , CoPt, SmCo NPs can also be carried out using the same method. A recent work by the Mariotti group also proved that Co 3 O 4 NPs can also be obtained by microplasma discharged in absolute ethanol [94].…”

Section: Application Of Plasma For the Synthesis And Modification mentioning

confidence: 99%

Plasma and Nanomaterials: Fabrication and Biomedical Applications

et al. 2019

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Application of plasma medicine has been actively explored during last several years. Treating every type of cancer remains a difficult task for medical personnel due to the wide variety of cancer cell selectivity. Research in advanced plasma physics has led to the development of different types of non-thermal plasma devices, such as plasma jets, and dielectric barrier discharges. Non-thermal plasma generates many charged particles and reactive species when brought into contact with biological samples. The main constituents include reactive nitrogen species, reactive oxygen species, and plasma ultra-violets. These species can be applied to synthesize biologically important nanomaterials or can be used with nanomaterials for various kinds of biomedical applications to improve human health. This review reports recent updates on plasma-based synthesis of biologically important nanomaterials and synergy of plasma with nanomaterials for various kind of biological applications.

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“…With an improved theoretical understanding and a broader range of the available data this study is also well motivated by the need to produce a basis for a more comprehensive data set for pertinent processes and by the need to address possible applications (as listed here) by detailed modelling. This paper is an attempt to extend the existing studies in alcohol vapours (see [24,[38][39][40][41][42][43]) with careful and well-defined procedure to measure the observables from the discharges in order to obtain some data on primary and secondary processes in a subsequent analysis. The Paschen curve for discharge in methanol vapour have been presented in our earlier paper [18] while V-i characteristics for pd=0.15 and 0.40 Torr cm are shown in present paper in figure 3.…”

Section: Introductionmentioning

confidence: 99%

Voltage–current characteristics of low-pressure discharges in vapors of several alcohols

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et al. 2021

Journal of Applied Physics

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In this paper, we present the results for voltage-current (V-i) characteristics of dc lowpressure low to moderate current discharges in vapours of alcohols: methanol, ethanol, isopropanol, and n-butanol vapours. These electrical measurements are supported by optical recordings of axial emission profiles from low-current to high-current regimes. The voltage-current characteristics and the corresponding distribution of emission intensities were typically recorded for two pd values, in the left-hand branch of the Paschen curve (0.15 Torr cm) and in the minimum of the Paschen curves (ranging from 0.30 Torr cm to 0.40 Torr cm for different alcohols selected here). In the recorded V-i characteristics the different discharge regimes of discharge operation are easily distinguished. Axial profiles of emitted light from the low-current to high-current regimes reveal that heavy particles make up a significant contribution to excitation part in alcohol vapours discharges. In the region of transition from normal to abnormal glow in methanol vapour discharge, sudden changes of the regime of operation were observed and several diagnostic techniques have been applied to them.

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Microplasma-assisted electrochemical synthesis of Co₃O₄nanoparticles in absolute ethanol for energy applications

Abstract: The anodisation of Co foil in an absolute ethanol electrolyte with a microplasma cathode produces size-controllable Co3O4 quantum dots.

Cited by 40 publications

References 70 publications

Microplasmas for Advanced Materials and Devices

Microplasmas for Advanced Materials and Devices

Plasma and Nanomaterials: Fabrication and Biomedical Applications

Voltage–current characteristics of low-pressure discharges in vapors of several alcohols

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Microplasma-assisted electrochemical synthesis of Co3O4nanoparticles in absolute ethanol for energy applications

Abstract: The anodisation of Co foil in an absolute ethanol electrolyte with a microplasma cathode produces size-controllable Co3O4 quantum dots.

Cited by 40 publications

References 70 publications

Microplasmas for Advanced Materials and Devices

Microplasmas for Advanced Materials and Devices

Plasma and Nanomaterials: Fabrication and Biomedical Applications

Voltage–current characteristics of low-pressure discharges in vapors of several alcohols

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Product

Resources

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Microplasma-assisted electrochemical synthesis of Co₃O₄nanoparticles in absolute ethanol for energy applications