Abstract
The scanning tunneling microscope (STM) is used to view conductive and semiconductive surfaces to obtain topographic and structural information. A number of literature reports describe molecules absorbed on surfaces. We describe a flow injection system which allows imaging before, during, and after a surface reaction. The flow injection system consists of a flow cell in which a solution is pumped over a sample via a flow injector and a peristaltic pump during STM imaging. Results indicate that atomic imaging can be maintained under a rapidly-flowing solution stream. This system can provide a way to observe reactions occurring on surfaces. Preliminary applications of the system that include the etching of a metal surface, attachment of thiols on a gold surface, and attachment of polymers onto highly ordered pyrolytic graphite (HOPG) step defects are described.
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© 1997 Springer Science+Business Media New York
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Noll, J.D., Van Patten, P.G., Myrick, M.L. (1997). Observing Reactions via Flow Injection Scanning Tunneling Microscopy. In: Cohen, S.H., Lightbody, M.L. (eds) Atomic Force Microscopy/Scanning Tunneling Microscopy 2. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-9325-3_16
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DOI: https://doi.org/10.1007/978-1-4757-9325-3_16
Publisher Name: Springer, Boston, MA
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