Molecular Assembly of Manganese Fluorinated Mesoporphyrin Monolayer on a Gold Electrode

Disulfide-linked manganese mesoporphyrin derivatives separated by spacer methylene groups (Figure 1) were synthesized and then the porphyrin derivatives were assembled on a gold electrode. Cyclic voltammetry (CV) of the porphyrin monolayer on a gold electrode showed that one set of waves was clearly...

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Published in:Chemistry letters 2000-06, Vol.29 (6), p.644-645
Main Authors: Yamada, Taku, Kikushima, Seiji, Hikita, Takami, Nara, Akishi, Nishio, Etuo, Ohtsuka, Toshiaki, Nango, Mamoru
Format: Article
Language:English
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Summary:Disulfide-linked manganese mesoporphyrin derivatives separated by spacer methylene groups (Figure 1) were synthesized and then the porphyrin derivatives were assembled on a gold electrode. Cyclic voltammetry (CV) of the porphyrin monolayer on a gold electrode showed that one set of waves was clearly visible, corresponding to the consecutive monoelectronic reduction of the manganese porphyrin unit, depending upon the spacer methylene groups. Interestingly, a large positive-shift of the redox potential for the mesoporphyrin was observed due to fluorination of the porphyrin ring.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.2000.644