Issue 29, 2006
From the journal:

Physical Chemistry Chemical Physics

Electrochemically deposited Pd islands on an organic surface: the presence of Coulomb blockade in STMI(V) curves at room temperature

O. Shekhah,a   C. Busse,a   A. Bashir,a   F. Turcu,b   X. Yin,a   P. Cyganik,†a   A. Birkner,a   W. Schuhmannb  and  Ch. Wölla  

a Lehrstuhl für Physikalische Chemie I, Ruhr-Universität Bochum, Bochum, Germany

b Analytische Chemie – Elektroanalytik & Sensorik, Ruhr-Universität Bochum, Bochum, Germany

Abstract

Palladium islands with a thickness of a few monolayers were deposited on top of a self-assembled monolayer (SAM) fabricated from 4-mercaptopyridine. In the I(V) curves obtained using the scanning tunneling microscope (STM) clearly the signature of Coulomb blockade is observed, explicitly demonstrating that these islands are coupled to the underlying gold substrate only via a tunneling barrier; this spectroscopic feature also allows to distinguish the palladium islands from similar morphological features present on the gold substrate prior to palladium deposition.

Graphical abstract: Electrochemically deposited Pd islands on an organic surface: the presence of Coulomb blockade in STM I(V) curves at room temperature

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Article information

DOI
https://doi.org/10.1039/B606488D
Article type
Communication
Submitted
08 May 2006
Accepted
24 May 2006
First published
05 Jun 2006

Phys. Chem. Chem. Phys., 2006,8, 3375-3378

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Electrochemically deposited Pd islands on an organic surface: the presence of Coulomb blockade in STM I(V) curves at room temperature

O. Shekhah, C. Busse, A. Bashir, F. Turcu, X. Yin, P. Cyganik, A. Birkner, W. Schuhmann and Ch. Wöll, Phys. Chem. Chem. Phys., 2006, 8, 3375 DOI: 10.1039/B606488D

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