2020年10月26日
Gas Barrier Properties of Chemical Vapor-Deposited Graphene to Oxygen Imparted with Sub-electronvolt Kinetic Energy
The Journal of Physical Chemistry Letters
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- 巻
- 11
- 号
- 21
- 開始ページ
- 9159
- 終了ページ
- 9164
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1021/acs.jpclett.0c02112
- 出版者・発行元
- American Chemical Society (ACS)
Graphene gas-barrier performance holds great interest from both scientific and technological perspectives. Using in situ synchrotron X-ray photoelectron spectroscopy, we demonstrate that chemical vapor-deposited monolayer graphene loses its gas-barrier performance almost completely when oxygen molecules are imparted with sub-electronvolt kinetic energy but retains its gas-barrier performance when the molecules are not energized. The permeation process is nondestructive. Molecular dynamics-based simulation suggests kinetic energy-mediated chemical reactions catalyzed by common graphene defects as a responsible mechanism.
- リンク情報
- ID情報
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- DOI : 10.1021/acs.jpclett.0c02112
- ISSN : 1948-7185
- eISSN : 1948-7185
- PubMed ID : 33100012