Photofunctional polyurethane nanofabrics doped by zinc tetraphenylporphyrin and zinc phthalocyanine photosensitizers
Language English Country Netherlands Media print-electronic
Document type Journal Article, Research Support, Non-U.S. Gov't
- MeSH
- Time Factors MeSH
- Spectrometry, Fluorescence MeSH
- Photochemistry MeSH
- Photosensitizing Agents chemistry MeSH
- Indoles chemistry MeSH
- Isoindoles MeSH
- Oxygen chemistry MeSH
- Metalloporphyrins chemistry MeSH
- Molecular Structure MeSH
- Nanostructures chemistry MeSH
- Organometallic Compounds chemistry MeSH
- Oxidation-Reduction MeSH
- Polyurethanes chemical synthesis chemistry MeSH
- Surface Properties MeSH
- Zinc Compounds MeSH
- Spectrophotometry, Ultraviolet MeSH
- Particle Size MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Names of Substances
- Photosensitizing Agents MeSH
- Indoles MeSH
- Isoindoles MeSH
- Oxygen MeSH
- Metalloporphyrins MeSH
- Organometallic Compounds MeSH
- Polyurethanes MeSH
- Zinc Compounds MeSH
- zinc tetraphenylporphyrin MeSH Browser
- Zn(II)-phthalocyanine MeSH Browser
Polymeric polyurethane nanofabrics doped by zinc tetraphenylporphyrin (ZnTPP) and/or zinc phthalocyanine (ZnPc) photosensitizers were prepared by the electrospinning method and characterized by microscopic methods, steady-state and time-resolved fluorescence, and absorption spectroscopy. Nanofabrics doped by both ZnTPP and ZnPc efficiently harvest visible light to generate triplet states and singlet oxygen O2(1Delta(g)) with a lifetime of about 15 micros in air atmosphere. The energy transfer between the excited singlet states of ZnTPP and ground states of ZnPc is described in details. All nanofabrics have bactericidal surfaces and photooxidize inorganic and organic substrates. ZnTPP and ZnPc in the polyurethane nanofabrics are less photostable than incorporated free-base tetraphenylporphyrin (TPP).
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