Porphyrinosilica and metalloporphyrinosilica: hybrid organic-inorganic materials prepared by sol-gel processing
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| Format: | Artículo científico |
| Language: | en |
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Academia Brasileira de Ciências
2000
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| _version_ | 1876428080254287872 |
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| author | Yassuko Iamamoto |
| author_facet | Yassuko Iamamoto |
| contents | Porphyrinosilica and metalloporphyrinosilica: hybrid organic-inorganic materials prepared by sol-gel processing Yassuko Iamamoto Hérica C. Sacco Juliana C. Biazzotto Katia J. Ciuffi Osvaldo A. Serra Multidisciplinaria (Ciencias Naturales y Exactas) sol gel catalysis hybrid material metalloporphyrin silica New materials porphyrinosilica and metalloporphyrinosilica template have been obtained by a sol-gel processingwhere functionalyzed porphyrins and metalloporphyrins "building blocks" were assembled into athree-dimensional silicate network. The optimized conditions for preparation of these materials are revised.The monomer precursors porphyrinopropylsilyl and metalloporphyrinopropylsilyl preparation reactions andsubsequent one pot sol-gel processing with tetraethoxysilane are discussed. In the case of metalloporphyrinsthe nitrogen base coordinates to the central metal and acts as a template in the molecular imprinting technique.UV-visible absorption spectroscopy, thermogravimetric analysis, electron paramagnetic resonance,nuclear magnetic spectra, infrared spectra, luminescence spectra, surface area and electron spectroscopyimaging of the materials are used to characterize the prepared materials. The catalytic activities of thesemetalloporphyrinosilica- template are compared. 2000 artículo científico 0001-3765 https://www.redalyc.org/articulo.oa?id=32772108 en http://www.redalyc.org/revista.oa?id=327 Anais da Academia Brasileira de Ciências application/pdf Academia Brasileira de Ciências Anais da Academia Brasileira de Ciências (Brasil) Num.1 Vol.72 |
| format | Artículo científico |
| id | redalyc_32772108 |
| institution | Redalyc |
| language | en |
| publishDate | 2000 |
| publisher | Academia Brasileira de Ciências |
| spellingShingle | Porphyrinosilica and metalloporphyrinosilica: hybrid organic-inorganic materials prepared by sol-gel processing Yassuko Iamamoto Multidisciplinaria (Ciencias Naturales y Exactas) sol gel catalysis hybrid material metalloporphyrin silica Porphyrinosilica and metalloporphyrinosilica: hybrid organic-inorganic materials prepared by sol-gel processing Yassuko Iamamoto Hérica C. Sacco Juliana C. Biazzotto Katia J. Ciuffi Osvaldo A. Serra Multidisciplinaria (Ciencias Naturales y Exactas) sol gel catalysis hybrid material metalloporphyrin silica New materials porphyrinosilica and metalloporphyrinosilica template have been obtained by a sol-gel processingwhere functionalyzed porphyrins and metalloporphyrins "building blocks" were assembled into athree-dimensional silicate network. The optimized conditions for preparation of these materials are revised.The monomer precursors porphyrinopropylsilyl and metalloporphyrinopropylsilyl preparation reactions andsubsequent one pot sol-gel processing with tetraethoxysilane are discussed. In the case of metalloporphyrinsthe nitrogen base coordinates to the central metal and acts as a template in the molecular imprinting technique.UV-visible absorption spectroscopy, thermogravimetric analysis, electron paramagnetic resonance,nuclear magnetic spectra, infrared spectra, luminescence spectra, surface area and electron spectroscopyimaging of the materials are used to characterize the prepared materials. The catalytic activities of thesemetalloporphyrinosilica- template are compared. 2000 artículo científico 0001-3765 https://www.redalyc.org/articulo.oa?id=32772108 en http://www.redalyc.org/revista.oa?id=327 Anais da Academia Brasileira de Ciências application/pdf Academia Brasileira de Ciências Anais da Academia Brasileira de Ciências (Brasil) Num.1 Vol.72 |
| title | Porphyrinosilica and metalloporphyrinosilica: hybrid organic-inorganic materials prepared by sol-gel processing |
| topic | Multidisciplinaria (Ciencias Naturales y Exactas) sol gel catalysis hybrid material metalloporphyrin silica |
| url | https://www.redalyc.org/articulo.oa?id=32772108 |