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Graphene-graphene oxide (GO) hybrid liquid cells (LCs) for liquid-phase scanning transmission electron microscopy (STEM) were fabricated using a facile method with commercial graphene on a polymethyl methacrylate sheet and GO on a TEM grid. LCs containing Pt nanoparticles (NPs) and pure water were efficiently produced and observed via STEM. Their composition and thickness were characterized by STEM-electron energy-loss spectroscopy. High-resolution (HR) STEM revealed slow-moving Pt NPs’ atomic structures and fast-moving single Pt atoms at the LC’s thin edges. Minimal damage during HR STEM indicated stable LCs because of their excellent electrical and thermal conductivities and radiolysis species scavenging ability.

権利情報:

• Creative Commons BY Attribution 4.0 International
  

キーワード: liquid cell, liquid-phase transmission electron microscopy, graphene, graphene oxide, platinum, scanning transmission electron microscopy

刊行年月日: 2024-08-01

出版者: IOP Publishing

掲載誌:

• Applied Physics Express (ISSN: 18820778) vol. 17 issue. 8 085001

研究助成金:

• Japan Science and Technology Agency JPMJGX23H2
• Precursory Research for Embryonic Science and Technology JPMJPR17S7
• Acquisition, Technology & Logistics Agency JPJ004596
• Japan Society for the Promotion of Science 24K08252

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.35848/1882-0786/ad63f2

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更新時刻: 2024-08-02 16:30:12 +0900

MDRでの公開時刻: 2024-08-02 16:30:12 +0900