Fodor, Melinda A. and Horváth, Ottó and Fodor, Lajos and Grampp, Günter and Wankmüller, Alexander (2014) Photophysical and photocatalytic behavior of cobalt(III) 5,10,15,20-tetrakis(1-methylpyridinium-4-yl)porphyrin. Inorganic Chemistry Communications, 50. pp. 110-112. ISSN 1387-7003
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Abstract
Although kinetically inert cationic Co(III)TMPyP5+ (H2TMPyP4+ = 5,10,15,20-tetrakis(methylpyridinium-4-yl)porphyrin) was considered earlier to be very weakly emissive, both the spectrum and the lifetime of its fluorescence could be determined. Besides, this complex proved to be favorable for outer-sphere photoinduced reduction of the metal center in the presence of triethanolamine (TEOA) as electron donor quenching the triplet excited state of this metalloporphyrin. The corresponding cobalt(II) porphyrin formed in this way was also photoactive; it forwarded an electron to a suitable acceptor (e.g., methylviologen) upon irradiation, regenerating the starting complex. Hence, this system may be a candidate for hydrogen generation from water by utilization of visible light.
| Item Type: | Article |
|---|---|
| Subjects: | Q Science / természettudomány > QD Chemistry / kémia > QD02 Physical chemistry / fizikai kémia Q Science / természettudomány > QD Chemistry / kémia > QD03 Inorganic chemistry / szervetlen kémia |
| Depositing User: | Prof. Ottó Horváth |
| Date Deposited: | 10 Oct 2016 08:04 |
| Last Modified: | 05 May 2023 11:56 |
| URI: | http://real.mtak.hu/id/eprint/41729 |
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- Photophysical and photocatalytic behavior of cobalt(III) 5,10,15,20-tetrakis(1-methylpyridinium-4-yl)porphyrin. (deposited 10 Oct 2016 08:04) [Currently Displayed]
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