Title
Study of the deposition and Raman and XPS characterization of a metal ion tetrasulphonated phthalocyanine layer at gold surfaces : density functional theory calculations to model the vibrational spectra
Author
Faculty/Department
Faculty of Sciences. Chemistry
Publication type
article
Publication
Amsterdam ,
Subject
Physics
Chemistry
Source (journal)
Electrochemistry communications. - Amsterdam
Volume/pages
7(2005) :1 , p. 87-96
ISSN
1388-2481
ISI
000226157600018
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
This paper describes the electrodeposition of Cu(II), Fe(III) and Al(III) tetrasulphonated phthalocyanine tetrasodium salts (Cu(II)TSPc, Fe(III)TSPc and Al(III)TSPc) at gold electrodes. Experimental evidence was provided that all MTSPcs are deposited by using Raman spectroscopy and X-ray photoelectron spectroscopy. The modified electrodes are a useful tool for electrocatalysis and electroanalysis. The vibrational spectra were modelled using density functional theory (DFT) calculations. One specific band in the Raman spectra is highly sensitive to the metal ion, indicating a relationship between cavity size of the MTSPcs and frequency of this Raman band.
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