Microplasma array devices with coplanar electrodes operating in neon

Meng, Liangliang; Liu, C.L.; Hang, Lingxia; Liang, Zhongshuai

doi:10.1016/j.physleta.2008.08.072

Cited by 11 publications

(5 citation statements)

References 6 publications

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“…As previously mentioned, arrays of microplasmas would allow materials throughput to be drastically increased and enable large area deposition or modification of thin films. Microplasma arrays have been recently developed for applications in photonics [52], metamaterials [183], stealth technology/radar cloaking [184], medicine [185][186][187], environment [188,189] and lighting or display [190][191][192][193]. In the latter case, the technology is near the commercialization stage (http://www.edenpark.com).…”

Section: Microplasma Arraysmentioning

confidence: 99%

Microplasmas for nanomaterials synthesis

Mariotti¹,

Sankaran²

2010

J. Phys. D: Appl. Phys.

516

399

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Microplasmas have attracted a tremendous amount of interest from the plasma community because of their small physical size, stable operation at atmospheric pressure, non-thermal characteristics, high electron densities and non-Maxwellian electron energy distributions. These properties make microplasmas suitable for a wide range of materials applications, including the synthesis of nanomaterials. Research has shown that vapour-phase precursors can be injected into a microplasma to homogeneously nucleate nanoparticles in the gas phase. Alternatively, microplasmas have been used to evaporate solid electrodes and form metal or metal-oxide nanostructures of various composition and morphology. Microplasmas have also been coupled with liquids to directly reduce aqueous metal salts and produce colloidal dispersions of nanoparticles. This topical review discusses the unique features of microplasmas that make them advantageous for nanomaterials synthesis, gives an overview of the diverse approaches previously reported in the literature and looks ahead to the potential for scale-up of current microplasma-based processes.

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Section: Microplasma Arraysmentioning

confidence: 99%

Microplasmas for nanomaterials synthesis

Mariotti¹,

Sankaran²

2010

J. Phys. D: Appl. Phys.

516

399

View full text Add to dashboard Cite

show abstract

“…Microplasma science and technology is an intersection of plasma science, photonics, and materials science, which offers not only a realm of plasma phenomenology but also device functionality [ 1 - 4 ]. Such plasma-based devices exhibit great potential for a broad spectrum of applications in microdisplays, on-chip frequency standards, materials synthesis, elemental analysis, and detectors of environmentally hazardous or toxic gases or vapors [ 5 - 11 ] But due to the insufficient luminous efficiency of the plasma devices [ 12 ], development of a cathode material with efficient emission of secondary electrons for improving the initiation efficiency of plasma illumination is thus called for. Among carbon-based materials, diamond is a promising material for applications in various electronic and microelectromechanical devices due to its unparalleled intrinsic properties such as wide energy band gap, chemical inertness, extreme hardness, high thermal conductivity, and negative electron affinity [ 13 - 16 ].…”

Section: Introductionmentioning

confidence: 99%

Microplasma illumination enhancement of vertically aligned conducting ultrananocrystalline diamond nanorods

Sankaran

Srinivasu²,

Lou³

et al. 2012

Nanoscale Res Lett

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Vertically aligned conducting ultrananocrystalline diamond (UNCD) nanorods are fabricated using the reactive ion etching method incorporated with nanodiamond particles as mask. High electrical conductivity of 275 Ω·cm−1 is obtained for UNCD nanorods. The microplasma cavities using UNCD nanorods as cathode show enhanced plasma illumination characteristics of low threshold field of 0.21 V/μm with plasma current density of 7.06 mA/cm2 at an applied field of 0.35 V/μm. Such superior electrical properties of UNCD nanorods with high aspect ratio potentially make a significant impact on the diamond-based microplasma display technology.

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“…In the operation of a microplasma device, the stability of the plasma is of great concern. [1][2][3] Materials with a large secondary electron emission efficiency are thus commonly used as the cathode for these devices. However, the robustness (the lifetime) of the devices is a characteristic which is of even more importance in device applications.…”

Section: Introductionmentioning

confidence: 99%

Growth, structural and plasma illumination properties of nanocrystalline diamond-decorated graphene nanoflakes

et al. 2016

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The improvement on the plasma illumination (PI) properties of a microplasma device owing to the application of nanocrystalline diamond decorated graphene nanoflakes (NCD-GNFs) as cathode is investigated. The improved plasma illumination (PI) behavior is closely related to the enhanced field electron emission (FEE) properties of the NCD-GNFs. The NCD-GNFs possess better FEE characteristics with a low turn-on field of 9.36 V/m to induce the field emission, a high FEE current density of 2.57 mA/cm 2 and a large field enhancement factor of 2380. The plasma can be triggered at a low voltage of 380 V, attaining a large plasma current density of 3.8 mA/cm 2 at an applied voltage of 570 V. In addition, the NCD-GNFs cathode shows enhanced lifetime stability of more than 21 min at an applied voltage of 430 V without showing any sign of degradation, whereas the bare GNFs can last only 4 min. The superior FEE and PI properties for the NCD-GNFs are ascribed to the unique combination of diamond and graphene. Transmission electron microscopic studies reveal that the NCD-GNFs contain nano-sized diamond films evenly decorated on the GNFs. Nanographitic phases in the grain boundaries of the diamond grains form electron transport networks that lead to improvement in the FEE characteristics of NCD-GNFs.

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Microplasma array devices with coplanar electrodes operating in neon

Cited by 11 publications

References 6 publications

Microplasmas for nanomaterials synthesis

Microplasmas for nanomaterials synthesis

Microplasma illumination enhancement of vertically aligned conducting ultrananocrystalline diamond nanorods

Growth, structural and plasma illumination properties of nanocrystalline diamond-decorated graphene nanoflakes

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