Syntheses, Spectroscopic and AFM Characterization of Some Manganese Porphyrins and Their Hybrid Silica Nanomaterials

被引：55

作者：

Fagadar-Cosma, Eugenia ^{[1
]}

Mirica, Marius Constantin ^{[2
]}

Balcu, Ionel ^{[2
]}

Bucovicean, Carmen ^{[1
]}

Cretu, Carmen ^{[1
]}

Armeanu, Ileana ^{[1
]}

Fagadar-Cosma, Gheorghe ^{[3
]}

机构：

[1] Acad Romana, Inst Chem Timisoara, Timisoara 300223, Romania

[2] Natl Inst Res Electrochem & Condensed Matter, Timisoara 300860, Romania

[3] Politehn Univ Timisoara, Timisoara 300223, Romania

来源：

MOLECULES | 2009年 / 14卷 / 04期

关键词：

Porphyrins; Mn(III)-metalloporphyrins; Hybrid silica nanomaterials; AFM; Spectroscopy; THIOCYANATE-SELECTIVE ELECTRODES; COMPLEXES; SPECTRA; PHOTOSENSITIZERS; FLUORESCENCE; IONOPHORES; MEMBRANES; THERAPY; SENSORS; SYSTEMS;

D O I：

10.3390/molecules14041370

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The present work is concerned with the manganese complexes of 5,10,15,20-tetraphenylporphyrin and of 5,10,15,20-tetra(3-hydroxyphenyl) porphyrin, which were prepared by metallation of the corresponding porphyrin ligands, and the study of their spectroscopic and photophysical behavior under strongly acidic and alkaline conditions. The second objective was to obtain and study some new hybrid materials, with special optoelectronic and surface properties, by impregnation of silica gels obtained by one step acid and by two steps acid-base catalysis with these Mn-porphyrins. The resulting nanomaterials exhibited interesting bathochromic and hyperchromic effects of their second band in the emission spectra in comparison with the Mn-porphyrins and also they have distinct orientation of the aggregates on surfaces, as shown by AFM images, making them useful for applications in medicine, formulation of sensors and for environmental-friendly catalysts for photodegradation of organic compounds.

引用

页码：1370 / 1388

页数：19

共 34 条

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