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- Kim, Kwanpyo
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High-Resolution EM of Colloidal Nanocrystal Growth Using Graphene Liquid Cells
- Author(s)
- Yuk, Jong Min, Park, Jungwon, Ercius, Peter, Kim, Kwanpyo, Hellebusch, Daniel J., Crommie, Michael F., Lee, Jeong Yong, Zettl, A., Alivisatos, A. Paul
- Issued Date
- 2012-04
- Citation
- SCIENCE, v.336, no.6077, pp.61 - 64
- Abstract
- We introduce a new type of liquid cell for in situ transmission electron microscopy (TEM) based on entrapment of a liquid film between layers of graphene. The graphene liquid cell facilitates atomic-level resolution imaging while sustaining the most realistic liquid conditions achievable under electron-beam radiation. We employ this cell to explore the mechanism of colloidal platinum nanocrystal growth. Direct atomic-resolution imaging allows us to visualize critical steps in the process, including site-selective coalescence, structural reshaping after coalescence, and surface faceting.
- Publisher
- AMER ASSOC ADVANCEMENT SCIENCE
- ISSN
- 0036-8075
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