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Issue 6, 2018
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Switching of inter-valence charge transfer in stimuli-responsive bis(ferrocenyl)porphyrin

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Abstract

Stimuli-responsive 5,15-bis(ferrocenyl)-10,20-bis(mesityl)porphyrin (BFP) was synthesized and used to demonstrate the ON/OFF switching of inter-valence charge transfer (IVCT) between ferrocene terminals. IVCT was observed at 829 nm after the protonation of BFP by gaseous hydrogen chloride. The protonation of the porphyrin core oxidizes one of the two ferrocene units which leads to the PBFP having a mixed valence state. This was confirmed by Mössbauer spectroscopy. The ON/OFF switching of IVCT was demonstrated by the protonation and deprotonation of BFP successively with gaseous hydrogen chloride and ammonia.

Graphical abstract: Switching of inter-valence charge transfer in stimuli-responsive bis(ferrocenyl)porphyrin

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Publication details

The article was received on 20 Nov 2017, accepted on 14 Feb 2018 and first published on 15 Feb 2018


Article type: Paper
DOI: 10.1039/C7NJ04522K
Citation: New J. Chem., 2018,42, 4742-4747
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    Switching of inter-valence charge transfer in stimuli-responsive bis(ferrocenyl)porphyrin

    S. Sundharamurthi, K. Sudha, S. Karthikaikumar, K. Abinaya, V. R. Reddy and P. Kalimuthu, New J. Chem., 2018, 42, 4742
    DOI: 10.1039/C7NJ04522K

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