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Morawski O, Izdebska K, Karpiuk E, et al. Photoinduced water splitting with oxotitanium tetraphenylporphyrin. Phys Chem Chem Phys. 2014;16(29):15256-62doi: 10.1039/c4cp02269f.
Morawski, O., Izdebska, K., Karpiuk, E., Nowacki, J., Suchocki, A., & Sobolewski, A. L. (2014). Photoinduced water splitting with oxotitanium tetraphenylporphyrin. Physical chemistry chemical physics : PCCP, 16(29), 15256-62. https://doi.org/10.1039/c4cp02269f
Morawski, O, et al. "Photoinduced water splitting with oxotitanium tetraphenylporphyrin." Physical chemistry chemical physics : PCCP vol. 16,29 (2014): 15256-62. doi: https://doi.org/10.1039/c4cp02269f
Morawski O, Izdebska K, Karpiuk E, Nowacki J, Suchocki A, Sobolewski AL. Photoinduced water splitting with oxotitanium tetraphenylporphyrin. Phys Chem Chem Phys. 2014 Aug 07;16(29):15256-62. doi: 10.1039/c4cp02269f. Epub 2014 Jun 18. PMID: 24938429.
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Phys Chem Chem Phys. 2014 Aug 07;16(29):15256-62. doi: 10.1039/c4cp02269f. Epub 2014 Jun 18.

Photoinduced water splitting with oxotitanium tetraphenylporphyrin.

Physical chemistry chemical physics : PCCP

O Morawski, K Izdebska, E Karpiuk, J Nowacki, A Suchocki, A L Sobolewski

Affiliations

  1. Institute of Physics Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warsaw, Poland. [email protected].

PMID: 24938429 DOI: 10.1039/c4cp02269f

Abstract

Photocatalytic splitting of water was investigated in a heterogeneous system consisting of micro-crystallites of oxotitanium tetraphenylporphyrin deposited on fused silica plates, immersed in water and excited within the visible range of their absorption spectra. The water photolysis was evidenced by the spectroscopic detection of hydroxyl radicals generated in the reaction. The experimental results confirm the mechanism of water splitting and generation of OH˙ radicals proposed theoretically by Sobolewski and Domcke [Phys. Chem. Chem. Phys., 2012, 14, 12807] for the oxotitaniumporphyrin-water complex. It is shown that photocatalytic water splitting occurs in pure water, and neither pH-bias nor external voltage is required to promote the reaction.

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