Lithographically patterned well-type graphene liquid cells with rational designs

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Graphene liquid cell transmission electron microscopy allowsin situobservation of nanomaterial dynamics in a liquid environment. However, this method suffers from both random formation and small size of liquid pockets. Here, we introduce facile and mass-producible graphene-sealed well-type liquid cells with rational designs. The developed liquid cell structure and its formation mechanism depending on hole diameter (d)/spacer thickness (h) ratio are systematically analyzed. Finally, we show its high-resolution imaging and chemical analysis capability for nanoparticles and biomaterial applications. This work will provide an enhanced liquid cell platform for diverse liquid environmental studies.
Publisher
ROYAL SOC CHEMISTRY
Issue Date
2020-08
Language
English
Article Type
Article
Citation

LAB ON A CHIP, v.20, no.15, pp.2796 - 2803

ISSN
1473-0197
DOI
10.1039/d0lc00440e
URI
http://hdl.handle.net/10203/275950
Appears in Collection
MS-Journal Papers(저널논문)
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