Abstract
A self-assembled monolayer (SAM) of a disulfide with a pair of bicyclo[2.2.2]octane (BCO) moieties was prepared on Au(1 1 1). The resulting SAMs were separately imaged by scanning tunneling microscopy (STM) and non-contact atomic force microscopy (NC-AFM) under ultra-high vacuum at room temperature. The images of the BCO SAM by NC-AFM were similar to those by STM, in which adsorbed molecules were hexagonally packed with the spacing of ca. 6.2 nm.
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