نتایج جستجو برای: appj

تعداد نتایج: 71  

Journal: :Energies 2023

Regulating the parameters of atmospheric pressure plasma jet (APPJ) is meaningful for industrial applications. Since a typical functional fluid in magnetic field, it possible to control discharge characteristics via Lorentz force. In this study, effects locally divergent field on generation and propagation APPJ were examined experimentally. The experiments used coplanar dielectric barrier (CDBD...

Journal: :Journal of Micromechanics and Microengineering 2021

Abstract We developed a localized plasma-enhanced chemical vapor deposition (PE-CVD) technique to deposit silicon oxide with sub-micrometer width on substrate using an atmospheric pressure plasma jet (APPJ) irradiated from nanopipette nozzle. To realize fine material deposition, hexamethyldisiloxane (HMDSO) was blown into the helium APPJ aperture of nanpopipette length limited size nanopipette....

Journal: :European Physical Journal D 2022

Atmospheric pressure plasmas are becoming relevant in local microbial deactivation and other combined effects of on living organisms. For this reason, our research was focussed optimisation atmospheric plasma jet (APPJ) parameters to complete the different bacteria strains a medium. Different helium APPJ treatments with discharge were used, such as input voltages gas flows. To better understand...

Journal: :Frontiers in Physics 2022

In this work, the direct and indirect removal of Acid Blue 25 (AB25) from water by using cold atmospheric pressure plasma jet (APPJ) has been demonstrated. APPJ with a pin electrode type configuration operating argon as working gas was used source for treatments. configuration, formed in contact surrounding air over liquid surface. The driven high voltage radio frequency (RF) power supply. syst...

Journal: :Chemical communications 2015
H-T Chien M-C Chen P-S Huang J-Y Lai C-C Hsu D-Y Kang

We present a novel approach to remove the structure-directing agent (SDA) from as-synthesized zeolites using an atmospheric pressure plasma jet (APPJ). This reduces the time required to less than 60 seconds as compared to the existing thermal calcination, whose durations range from hours to days. The highly reactive plasma also results in a pronounced Q(3)-to-Q(4) transformation in the pure-sil...

2016
Pankaj Attri Maksudbek Yusupov Ji Hoon Park Lakshmi Prasanna Lingamdinne Janardhan Reddy Koduru Masaharu Shiratani Eun Ha Choi Annemie Bogaerts

Purified water supply for human use, agriculture and industry is the major global priority nowadays. The advanced oxidation process based on atmospheric pressure non-thermal plasma (NTP) has been used for purification of wastewater, although the underlying mechanisms of degradation of organic pollutants are still unknown. In this study we employ two needle-type atmospheric pressure non-thermal ...

1998
Robert Hicks

Technical Description of the Work Decommissioning of transuranic waste (TRU) into low-level radioactive waste (LLW) represents the largest cleanup cost associated with the nuclear weapons complex. This work is directed towards developing a low-cost plasma technology capable of converting TRU into LLW, based upon highly selective plasma etching of plutonium and other actinides from contaminated ...

Journal: :International Journal of Hydrogen Energy 2021

In this paper we demonstrate the use of atmospheric pressure plasma jet (APPJ) to functionalize surface hydrothermally synthesized vertically aligned TiO2 nanorods (TNRs) for photo electrochemical (PEC) application. The TNRs functionalized with He-plasma showed relatively higher crystallinity, improved light absorption, and change in morphology additional area, leading an enhanced photocurrent ...

Journal: :C 2021

Atmospheric pressure plasma jets (APPJ) are widely used in industry for surface cleaning and chemical modification. In the recent past, they have gained more scientific attention especially processing of carbon nanomaterials. this work, a novel power generation technique was applied to realize stable discharge N2 (10 vol.% H2) forming gas ambient conditions. This APPJ reduce solution-processed ...

Journal: :Advanced Functional Materials 2022

Current biomaterial-based strategies explored to treat articular cartilage defects have failed provide adequate physico-chemical cues in order guide functional tissue regeneration. Here, it is hypothesized that atmospheric-pressure plasma (APPJ) treatment and melt electrowriting (MEW) will produce microfiber support structures with covalently-immobilized transforming growth factor beta-1 (TGF?1...

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