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Environmental (S)TEM studies of gas-liquid-solid interactions under reaction conditions

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JournalMRS BULLETIN
DatePublished - Feb 2008
Issue number2
Volume33
Number of pages8
Pages (from-to)107-114
Original languageEnglish

Abstract

We review the development of time-resolved, high-resolution environmental scanning/transmission electron microscopy [E(S)TEM] for directly probing dynamic gas-solid, liquid-solid, and gas-liquid-solid interactions at the atomic level. Unlike a regular TEM, such a microscope allows us to use high gas pressures (up to 40 mbars) in the sample region. The unique information available from experiments performed using E(S)TEM has enabled visualization of the dynamic nature of nanostructures during reactions. Such information can be directly applied to the development of advanced nanomaterials such as carbon nanotubes, silicon nanowires and processes, including the design of novel routes to polymers synthesis, and has aided in the identification of important phenomena during catalysis, chemical vapor deposition, and electrochemical deposition.

    Research areas

  • TRANSMISSION ELECTRON-MICROSCOPY, SITU NANOSCALE OBSERVATIONS, IN-SITU, HIGH-RESOLUTION, CATALYSTS, GROWTH, NUCLEATION, CARBON, COPPER, ELECTRODEPOSITION

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