Scientists globally aim to control chemical reactions—an ambitious goal that requires identifying the steps taken by initial reactants to arrive at the final products as the reaction takes place. While this dream remains to be realized, techniques for probing chemical reactions have become sufficiently advanced to render it possible. In fact, chemical reactions can now be monitored based on the change of electronic properties of a single molecule! Thanks to the scanning tunneling microscope (STM), this is also simple to accomplish. Why not then utilize a single-molecule approach to uncover reaction pathways as well?
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Source: Phys.org