Journal
JAPANESE JOURNAL OF APPLIED PHYSICS
Volume 61, Issue SA, Pages -Publisher
IOP Publishing Ltd
DOI: 10.35848/1347-4065/ac25dc
Keywords
Functional nitrogen; Nitrogen fixation; Diamond nitrogen vacancy (NV) center; Photocatalysts; Plasma agriculture; Plasma diagnostics; Plasma liquid interaction
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Funding
- JSPS KAKENHI [18H03687]
- Frontier Research in Duo (FRiD) in Tohoku University [1904]
- Plasma-bio consortium [01222001]
- KAKENHI from JSPS [19H05462, 17H02805, 20H00142, 21H04451]
- Center for Low Temperature Plasma Science, Nagoya University
- Grants-in-Aid for Scientific Research [17H02805, 18H03687, 19H05462, 20H00142, 21H04451] Funding Source: KAKEN
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This review explores the use of non-equilibrium plasmas to generate reactive nitrogen species (RNS) with high internal energy values and short lifetimes for various applications, including the synthesis of reactive compounds, control of cell functions, and creation of functional materials.
Nitrogen is a very common element, comprising approximately 78% of Earth's atmosphere, and is an important component of various electronic devices while also being essential for life. However, it is challenging to directly utilize dinitrogen because of the highly stable triple bond in this molecule. The present review examines the use of non-equilibrium plasmas to generate controlled electron impacts as a means of generating reactive nitrogen species (RNS) with high internal energy values and extremely short lifetimes. These species include ground state nitrogen atoms, excited nitrogen atoms, etc. RNS can subsequently react with oxygen and/or hydrogen to generate new highly reactive compounds and can also be used to control various cell functions and create new functional materials. Herein, plasma-processing methods intended to provide RNS serving as short-lived precursors for a range of applications are examined in detail.
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