Issue 38, 2012
From the journal:

Chemical Communications

Effects of protonation of pyridine moieties on the 2D assembly of porphyrin layers on Au(111) at electrochemical interfaces†

Soichiro Yoshimoto*ab  

* Corresponding authors

a Priority Organization for Innovation and Excellence, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
E-mail: so-yoshi@kumamoto-u.ac.jp
Fax: +81-96-342-3948
Tel: +81-96-342-3948

b Kumamoto Institute for Photo-Electro Organics (Phoenics), 3-11-38 Higashi-machi, Higashi-ku, Kumamoto 862-0901, Japan

Abstract

Unique molecular assemblies of a porphyrin derivative are prepared on Au(111) by controlling the protonation/unprotonation of the pyridine groups. The porphyrin derivative, driven by the protonation of the pyridine groups, can provide characteristic assemblies with specific molecular conformations on an Au(111) surface at the electrochemical interface. In situ scanning tunneling microscopy images revealed clear differences in the adlayer structures for the unprotonated and the protonated forms of the molecules that depended upon the electrochemical potential.

Graphical abstract: Effects of protonation of pyridine moieties on the 2D assembly of porphyrin layers on Au(111) at electrochemical interfaces

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Article information

DOI
https://doi.org/10.1039/C2CC31044A
Article type
Communication
Submitted
13 Feb 2012
Accepted
18 Mar 2012
First published
19 Mar 2012

Chem. Commun., 2012,48, 4612-4614

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Effects of protonation of pyridine moieties on the 2D assembly of porphyrin layers on Au(111) at electrochemical interfaces

S. Yoshimoto, Chem. Commun., 2012, 48, 4612 DOI: 10.1039/C2CC31044A

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