High-resolution EM of colloidal nanocrystal growth using graphene liquid cells

Jong Min Yuk; Jungwon Park; Peter Ercius; Kwanpyo Kim; Daniel J. Hellebusch; Michael F. Crommie; Jeong Yong Lee; A. Zettl; A. Paul Alivisatos

doi:10.1126/science.1217654

High-resolution EM of colloidal nanocrystal growth using graphene liquid cells

Jong Min Yuk, Jungwon Park, Peter Ercius, Kwanpyo Kim, Daniel J. Hellebusch, Michael F. Crommie, Jeong Yong Lee, A. Zettl, A. Paul Alivisatos

Department of Physics

Research output: Contribution to journal › Article › peer-review

643 Citations (Scopus)

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.

Original language	English
Pages (from-to)	61-64
Number of pages	4
Journal	Science
Volume	335
Issue number	6077
DOIs	https://doi.org/10.1126/science.1217654
Publication status	Published - 2012 Apr 6

All Science Journal Classification (ASJC) codes

General

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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.",

author = "Yuk, {Jong Min} and Jungwon Park and Peter Ercius and Kwanpyo Kim and Hellebusch, {Daniel J.} and Crommie, {Michael F.} and Lee, {Jeong Yong} and A. Zettl and Alivisatos, {A. Paul}",

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AU - Yuk, Jong Min

AU - Park, Jungwon

AU - Ercius, Peter

AU - Kim, Kwanpyo

AU - Hellebusch, Daniel J.

AU - Crommie, Michael F.

AU - Lee, Jeong Yong

AU - Zettl, A.

AU - Alivisatos, A. Paul

PY - 2012/4/6

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AB - 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.

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