Silica-titania mesoporous silicas of MCM-41 type as effective catalysts and photocatalysts for selective oxidation of diphenyl sulfide by H2O2
Spherical Ti-MCM-41, synthetized by co-condensation method, presented very promising activity in catalytic and photocatalytic oxidation of diphenyl sulfide with H2O2 to obtain diphenyl sulfoxide and diphenyl sulfone. Mesoporous silica materials with various titanium content were analyzed with respec...
| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
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De Gruyter
2023-10-01
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| Series: | Green Processing and Synthesis |
| Subjects: | |
| Online Access: | https://doi.org/10.1515/gps-2023-0052 |
| _version_ | 1797660984796512256 |
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| author | Dubiel Wiktoria Kowalczyk Andrzej Jankowska Aleksandra Michalik Marek Mozgawa Włodzimierz Kobielusz Marcin Macyk Wojciech Chmielarz Lucjan |
| author_facet | Dubiel Wiktoria Kowalczyk Andrzej Jankowska Aleksandra Michalik Marek Mozgawa Włodzimierz Kobielusz Marcin Macyk Wojciech Chmielarz Lucjan |
| author_sort | Dubiel Wiktoria |
| collection | DOAJ |
| description | Spherical Ti-MCM-41, synthetized by co-condensation method, presented very promising activity in catalytic and photocatalytic oxidation of diphenyl sulfide with H2O2 to obtain diphenyl sulfoxide and diphenyl sulfone. Mesoporous silica materials with various titanium content were analyzed with respect to chemical composition (inductively coupled plasma optical emission spectrometry), structure properties (X-ray diffraction), textural properties (low-temperature N2 adsorption–desorption), morphology (scanning electron microscopy), forms and aggregation introduced titanium species (diffuse reflectance spectroscopy, Raman spectroscopy), and surface acidity (NH3-TPD). Titanium introduced in the samples was present mainly in the form of highly dispersed species, presenting catalytic and photocatalytic activities in diphenyl sulfide oxidation with H2O2. Efficiency of the reaction increased with an increase in titanium loading in the samples and was significantly intensified under UV irradiation. The role of various Ti species in diphenyl sulfide oxidation was presented and discussed. |
| first_indexed | 2024-03-11T18:38:51Z |
| format | Article |
| id | doaj.art-7f48d00059d549d392aaa38f2c1155f9 |
| institution | Directory Open Access Journal |
| issn | 2191-9550 |
| language | English |
| last_indexed | 2024-03-11T18:38:51Z |
| publishDate | 2023-10-01 |
| publisher | De Gruyter |
| record_format | Article |
| series | Green Processing and Synthesis |
| spelling | doaj.art-7f48d00059d549d392aaa38f2c1155f92023-10-12T14:06:45ZengDe GruyterGreen Processing and Synthesis2191-95502023-10-011214475110.1515/gps-2023-0052Silica-titania mesoporous silicas of MCM-41 type as effective catalysts and photocatalysts for selective oxidation of diphenyl sulfide by H2O2Dubiel Wiktoria0Kowalczyk Andrzej1Jankowska Aleksandra2Michalik Marek3Mozgawa Włodzimierz4Kobielusz Marcin5Macyk Wojciech6Chmielarz LucjanDepartment of Chemical Technology, Faculty of Chemistry, Jagiellonian University in Kraków, Gronostajowa 2, 30-387Kraków, PolandDepartment of Chemical Technology, Faculty of Chemistry, Jagiellonian University in Kraków, Gronostajowa 2, 30-387Kraków, PolandDepartment of Chemical Technology, Faculty of Chemistry, Jagiellonian University in Kraków, Gronostajowa 2, 30-387Kraków, PolandInstitute of Geological Sciences, Jagiellonian University in Kraków, Gronostajowa 3a, 30-387Kraków, PolandDepartment of Silicate Chemistry and Macromolecular Compounds, Faculty of Materials Science and Ceramics, AGH University of Krakow, Mickiewicza 30, 30-059Kraków, PolandDepartment of Inorganic Chemistry, Faculty of Chemistry, Jagiellonian University in Kraków, Gronostajowa 2, 30-387Kraków, PolandDepartment of Chemical Technology, Faculty of Chemistry, Jagiellonian University in Kraków, Gronostajowa 2, 30-387Kraków, PolandSpherical Ti-MCM-41, synthetized by co-condensation method, presented very promising activity in catalytic and photocatalytic oxidation of diphenyl sulfide with H2O2 to obtain diphenyl sulfoxide and diphenyl sulfone. Mesoporous silica materials with various titanium content were analyzed with respect to chemical composition (inductively coupled plasma optical emission spectrometry), structure properties (X-ray diffraction), textural properties (low-temperature N2 adsorption–desorption), morphology (scanning electron microscopy), forms and aggregation introduced titanium species (diffuse reflectance spectroscopy, Raman spectroscopy), and surface acidity (NH3-TPD). Titanium introduced in the samples was present mainly in the form of highly dispersed species, presenting catalytic and photocatalytic activities in diphenyl sulfide oxidation with H2O2. Efficiency of the reaction increased with an increase in titanium loading in the samples and was significantly intensified under UV irradiation. The role of various Ti species in diphenyl sulfide oxidation was presented and discussed.https://doi.org/10.1515/gps-2023-0052diphenyl sulfideoxidationh2o2 ti-mcm-41 |
| spellingShingle | Dubiel Wiktoria Kowalczyk Andrzej Jankowska Aleksandra Michalik Marek Mozgawa Włodzimierz Kobielusz Marcin Macyk Wojciech Chmielarz Lucjan Silica-titania mesoporous silicas of MCM-41 type as effective catalysts and photocatalysts for selective oxidation of diphenyl sulfide by H2O2 Green Processing and Synthesis diphenyl sulfide oxidation h2o2 ti-mcm-41 |
| title | Silica-titania mesoporous silicas of MCM-41 type as effective catalysts and photocatalysts for selective oxidation of diphenyl sulfide by H2O2 |
| title_full | Silica-titania mesoporous silicas of MCM-41 type as effective catalysts and photocatalysts for selective oxidation of diphenyl sulfide by H2O2 |
| title_fullStr | Silica-titania mesoporous silicas of MCM-41 type as effective catalysts and photocatalysts for selective oxidation of diphenyl sulfide by H2O2 |
| title_full_unstemmed | Silica-titania mesoporous silicas of MCM-41 type as effective catalysts and photocatalysts for selective oxidation of diphenyl sulfide by H2O2 |
| title_short | Silica-titania mesoporous silicas of MCM-41 type as effective catalysts and photocatalysts for selective oxidation of diphenyl sulfide by H2O2 |
| title_sort | silica titania mesoporous silicas of mcm 41 type as effective catalysts and photocatalysts for selective oxidation of diphenyl sulfide by h2o2 |
| topic | diphenyl sulfide oxidation h2o2 ti-mcm-41 |
| url | https://doi.org/10.1515/gps-2023-0052 |
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