Quantum Tunneling Currents in a Nanoengineered Electrochemical System
By Gupta, Chaitanya; Walker, Ross M.; Chang, Shuai; Fischer, Sean R.; Seal, Matthew; Murmann, Boris; Howe, Roger T.
Published in The Journal of Physical Chemistry C
2017
Abstract
We develop an equivalent circuit model for charge transfer across a nanoscale electrochemical interface and apply it to tune the interface parameters so that tunneling electrons transduce information about the vibronic structure of the interface. Model predictions are broadly consistent with cyclic voltammograms acquired using a custom, low-noise potentiostat on a 50 nm diameter Pt(80%)
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