In this study, we experimentally investigated the effect of charged particles generated from an alternating current glow discharge in liquids and the ability of these particles to synthesize silver nanoparticles. The measurement of the pH and electrical conductivity in liquids was performed to study the interface reactions and transfer of species from plasmas to liquids. Solutions of sodium hydroxide, de-ionized water, sodium nitrate, and silver nitrate were used in this study. We determined that the pH of de-ionized water and sodium hydroxide solutions was reduced to 4.0 during the discharge. However, the pH of nitrate salts evolved in two opposite stages, with an initial reduction within 3 min from the start of the discharge and a subsequent increase to alkaline values. The results also showed that spherical silver nanoparticles were generated in the silver nitrate solutions under the discharge. These results indicate that alternating current glow discharge generates both positive ions and free electrons when in contact with a liquid, leading to complex chemical transformations. This suggests that the proposed approach can be used for noble nanoparticle synthesis.
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14 February 2019
Research Article|
February 12 2019
Interaction and transfer of charged particles from an alternating current glow discharge in liquids: Application to silver nanoparticle synthesis
Phuoc Van Thai
;
Phuoc Van Thai
a)
1
Department of Energy and Environment Science, Nagaoka University of Technology
, Nagaoka 940-2188, Japan
a)Author to whom correspondence should be addressed: thaiphuoc.vn@gmail.com
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Shinnosuke Abe;
Shinnosuke Abe
2
Department of Electrical, Electronics and Information Engineering, Nagaoka University of Technology
, Nagaoka 940-2188, Japan
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Kenichiro Kosugi;
Kenichiro Kosugi
3
Department of Materials Science and Technology, Nagaoka University of Technology
, Nagaoka 940-2188, Japan
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Nobuo Saito;
Nobuo Saito
3
Department of Materials Science and Technology, Nagaoka University of Technology
, Nagaoka 940-2188, Japan
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Kazumasa Takahashi;
Kazumasa Takahashi
2
Department of Electrical, Electronics and Information Engineering, Nagaoka University of Technology
, Nagaoka 940-2188, Japan
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Toru Sasaki
;
Toru Sasaki
2
Department of Electrical, Electronics and Information Engineering, Nagaoka University of Technology
, Nagaoka 940-2188, Japan
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Takashi Kikuchi
Takashi Kikuchi
2
Department of Electrical, Electronics and Information Engineering, Nagaoka University of Technology
, Nagaoka 940-2188, Japan
4
Department of Nuclear System Safety Engineering, Nagaoka University of Technology
, Nagaoka 940-2188, Japan
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a)Author to whom correspondence should be addressed: thaiphuoc.vn@gmail.com
J. Appl. Phys. 125, 063303 (2019)
Article history
Received:
October 02 2018
Accepted:
January 25 2019
Citation
Phuoc Van Thai, Shinnosuke Abe, Kenichiro Kosugi, Nobuo Saito, Kazumasa Takahashi, Toru Sasaki, Takashi Kikuchi; Interaction and transfer of charged particles from an alternating current glow discharge in liquids: Application to silver nanoparticle synthesis. J. Appl. Phys. 14 February 2019; 125 (6): 063303. https://doi.org/10.1063/1.5063872
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