Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Nkosiphile Masilela"'
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 403:64-76
Zinc tetracarboxyphenoxy phthalocyanine was covalently linked to Gd 2 O 3 nanoparticles for the photocatalytic degradation of Orange G. Characterization of the composite was carried out using XRD, TEM, XPS, UV–vis spectroscopy and FT-IR spectroscop
Publikováno v:
Journal of Nanoparticle Research. 19
Functionalised electrospun polyamide-6 (PA-6) nanofibres incorporating gadolinium oxide nanoparticles conjugated to zinc tetracarboxyphenoxy phthalocyanine (ZnTCPPc) as the sensitizer were prepared for the photocatalytic degradation of Orange G. Fibr
Publikováno v:
Journal of Porphyrins and Phthalocyanines. 17:417-430
This work reports on the axial coordination of zinc phthalocyanine and bis-(1,6-hexanedithiol) silicon phthalocyanine to silver and gold nanoparticles. Red shifting of absorption spectra of the phthalocyanine complexes was observed after conjugation
Autor:
Zenixole R. Tshentu, Philippe Westbroek, Georgios Priniotakis, Tebello Nyokong, Nkosiphile Masilela, Phumelele Kleyi
Publikováno v:
Dyes and Pigments. 96:500-508
This work reports on the antimicrobial photo-activities of a series of low symmetrically substituted phthalocyanine complexes in solution and in a fiber matrix. Phthalocyanine complexes were successfully electrospun into a polystyrene polymer. The fi
Autor:
Tebello Nyokong, Nkosiphile Masilela
Publikováno v:
Synthetic Metals. 162:1839-1845
The synthesis and photophysicochemical properties of new low symmetrically Ge, Sn and Ti phthalocyanines substituted with one carboxy containing group are reported. Broading and splitting in the absorption spectra were observed for some of the comple
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 250:18-24
This work reports on the synthesis and the physicochemical properties of novel unsymmetrically substituted zinc phthalocyanines (complexes 8, 10 and 11) and their symmetrically substituted counterparts (complexes 9, 12 and 13). The new complexes and
Autor:
Tebello Nyokong, Nkosiphile Masilela
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 247:82-92
This work reports on the synthesis of new coreshell quantum dots (QDs)-low symmetry phthalocyanines conjugates. The energy transfer from QDs (donor) to phthalocyanines (acceptor) was investigated when the two are mixed together or chemically linked t
Autor:
Tebello Nyokong, Nkosiphile Masilela
Publikováno v:
Dyes and Pigments. 91:164-169
This work reports on the synthesis and fluorescence behaviour of novel unsymmetrically substituted monocarboxy germanium ((OH)2GeMCPc, 3), titanium (OTiMCPc 4) and tin ((ac)2SnMCPc, 5) phthalocyanines. The fluorescence quantum yields ranged from 0.09
Autor:
Nkosiphile Masilela, Tebello Nyokong
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 223:124-131
This work reports on conjugation of low symmetry Ge (GeMCPc), Ti (TiMCPc) and Sn (SnMCPc) carboxy phthalocyanines with glutathione capped gold nanoparticles (GSH-AuNPs). The photophysical behaviour of the novel phthalocyanines–GSH-AuNPs conjugate w
Publikováno v:
Journal of Porphyrins and Phthalocyanines. 14:985-992
The photoelectroectrochemical studies of water soluble octacarboxylated oxotitanium (OTiOCPc) , zinc (ZnOCPC) , hydroxyaluminium ((OH)AlOCPc) , dihydroxysilicon ((OH)2SiOCPc) , hydroxygallium (OHGaOCPc) and low symmetry zinc monocarboxy (ZnMCPc) phth