- Title
- Synthesis, photophysical and photochemical studies of new water-soluble indium (III) phthalocyanines
- Creator
- Durmus, Mahmut, Nyokong, Tebello
- Subject
- To be catalogued
- Date
- 2007
- Type
- text
- Type
- article
- Identifier
- http://hdl.handle.net/10962/283976
- Identifier
- vital:56007
- Identifier
- xlink:href="https://doi.org/10.1039/b618478b"
- Description
- The preparation of water-soluble indium(III)phthalocyanine complexes is described for the first time in this study. Peripherally and non-peripherally 3-hydroxypyridine tetrasubstituted indium(III) phthalocyanines (5a, 6a) and their quaternarized derivatives (5b, 6b) have been synthesized and characterized by elemental analysis, IR, 1H NMR spectroscopy, electronic spectroscopy and mass spectra. The quaternarized compounds (5b, 6b) show excellent solubility in water, which makes them potential photosensitizers for use in photodynamic therapy (PDT) applications. Photochemical and photophysical measurements were conducted on 3-pyridyloxy appended indium(III) phthalocyanines in dimethylsulfoxide (DMSO) for non-ionic (5b, 6b) derivatives. General trends are described for quantum yields of photodegradation, fluorescence lifetimes, fluorescence quantum yields, triplet lifetimes and triplet quantum yields as well as singlet oxygen quantum yields of these compounds. The singlet oxygen quantum yields (ΦΔ), which give an indication of the potential of the complexes as photosensitizers in applications where singlet oxygen is required (Type II mechanism) are very high (ΦΔ > 0.55). Thus, these complexes may be useful as Type II photosensitizers.
- Format
- computer, online resource, application/pdf, 1 online resource (10 pages), pdf
- Publisher
- SpringerLink
- Language
- English
- Relation
- Photochemical and Photobiological Sciences, Durmuş, M. and Nyokong, T., 2007. Synthesis, photophysical and photochemical studies of new water-soluble indium (III) phthalocyanines. Photochemical and Photobiological Sciences, 6(6), pp.659-668, Photochemical and Photobiological Sciences number vol 6 number 6 p. 659 2007 1474-9092
- Rights
- Publisher
- Rights
- Use of this resource is governed by the terms and conditions of the SpringerLink Terms of Use Statement ( https://link.springer.com/termsandconditions)
- Rights
- Open Access
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Collections
RU Department of Chemistry
RU DST/NRF SARChI for Medicinal Chemistry and Nanotechnology
Nyokong, Tebello (Distinguished Professor)
| Thumbnail | File | Description | Size | Format | |||
|---|---|---|---|---|---|---|---|
| View Details | SOURCE1 | Synthesis, photophysical and photochemical studies of new water-soluble indium (III) phthalocyanines.pdf | 303 KB | Adobe Acrobat PDF | View Details |