Design of Metal-Organic Polymers MIL-53(M<sup>3+</sup>): Preparation and Characterization of MIL-53(Fe) and Graphene Oxide Composite
This article presents a crystal chemical analysis, generalization, and systematization of structural characteristics of metal-organic polymers MIL-53(M<sup>3+</sup>) with M = Al, Cr, Ga, and Fe. The division of the MIL-53(M<sup>3+</sup>) structures into a morphotropic series...
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MDPI AG
2021-10-01
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| Series: | Crystals |
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| Online Access: | https://www.mdpi.com/2073-4352/11/11/1281 |
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| author | Quang K. Nguyen Galina M. Kuz’micheva Evgeny V. Khramov Roman D. Svetogorov Ratibor G. Chumakov Thuy T. Cao |
| author_facet | Quang K. Nguyen Galina M. Kuz’micheva Evgeny V. Khramov Roman D. Svetogorov Ratibor G. Chumakov Thuy T. Cao |
| author_sort | Quang K. Nguyen |
| collection | DOAJ |
| description | This article presents a crystal chemical analysis, generalization, and systematization of structural characteristics of metal-organic polymers MIL-53(M<sup>3+</sup>) with M = Al, Cr, Ga, and Fe. The division of the MIL-53(M<sup>3+</sup>) structures into a morphotropic series was performed, which made it possible to predict the formation of new compounds or solid solutions with the corresponding composition and structure. The change in the symmetry of MIL-53(M<sup>3+</sup>) and the causes of polymorphs formation are explained on the basis of crystal chemical rules. The efficiency of the revealed regularities in the structural characteristics of the MIL-53(M<sup>3+</sup>) phases were experimentally confirmed for MIL-53(Fe) and composite MIL-53(Fe)/GO (GO-graphene oxide) by several methods (powder X-ray, X-ray absorption, and photoelectron spectroscopy). For the first time, different coordination numbers (CN) (CNFe = 4.9 for MIL-53(Fe)—two types of coordination polyhedra with CNFe = 6 and CNFe = 4; CNFe = 4 for MIL-53 (Fe<sup>3+</sup>)/GO) and the formal charges (FC) of iron ions (variable FC of Fe <sup>(2+δ)+</sup> in MIL-53(Fe<sup>3+</sup>) and Fe<sup>2+</sup> in MIL-53(Fe<sup>3+</sup>)/GO) were found. These experimental data explain the higher photocatalytic activity of MIL-53(Fe<sup>3+</sup>)/GO in photo-Fenton reactions—RR195 decomposition. |
| first_indexed | 2024-03-10T05:35:35Z |
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| institution | Directory Open Access Journal |
| issn | 2073-4352 |
| language | English |
| last_indexed | 2024-03-10T05:35:35Z |
| publishDate | 2021-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Crystals |
| spelling | doaj.art-8fc372a5f0b54340a80c092d4a70d23d2023-11-22T22:57:19ZengMDPI AGCrystals2073-43522021-10-011111128110.3390/cryst11111281Design of Metal-Organic Polymers MIL-53(M<sup>3+</sup>): Preparation and Characterization of MIL-53(Fe) and Graphene Oxide CompositeQuang K. Nguyen0Galina M. Kuz’micheva1Evgeny V. Khramov2Roman D. Svetogorov3Ratibor G. Chumakov4Thuy T. Cao5Physico-Technological Institute, Department of Digital and Additive Technologies, MIREA-Russian Technological University of the Ministry of Education and Science of the Russian Federation, 119454 Moscow, RussiaPhysico-Technological Institute, Department of Digital and Additive Technologies, MIREA-Russian Technological University of the Ministry of Education and Science of the Russian Federation, 119454 Moscow, RussiaNational Research Center «Kurchatov Institute», 123182 Moscow, RussiaNational Research Center «Kurchatov Institute», 123182 Moscow, RussiaNational Research Center «Kurchatov Institute», 123182 Moscow, RussiaDepartment of Vehicle and Energy Engineering, Phenikaa University, Yen Nghia, Ha-Dong District, Hanoi 12116, VietnamThis article presents a crystal chemical analysis, generalization, and systematization of structural characteristics of metal-organic polymers MIL-53(M<sup>3+</sup>) with M = Al, Cr, Ga, and Fe. The division of the MIL-53(M<sup>3+</sup>) structures into a morphotropic series was performed, which made it possible to predict the formation of new compounds or solid solutions with the corresponding composition and structure. The change in the symmetry of MIL-53(M<sup>3+</sup>) and the causes of polymorphs formation are explained on the basis of crystal chemical rules. The efficiency of the revealed regularities in the structural characteristics of the MIL-53(M<sup>3+</sup>) phases were experimentally confirmed for MIL-53(Fe) and composite MIL-53(Fe)/GO (GO-graphene oxide) by several methods (powder X-ray, X-ray absorption, and photoelectron spectroscopy). For the first time, different coordination numbers (CN) (CNFe = 4.9 for MIL-53(Fe)—two types of coordination polyhedra with CNFe = 6 and CNFe = 4; CNFe = 4 for MIL-53 (Fe<sup>3+</sup>)/GO) and the formal charges (FC) of iron ions (variable FC of Fe <sup>(2+δ)+</sup> in MIL-53(Fe<sup>3+</sup>) and Fe<sup>2+</sup> in MIL-53(Fe<sup>3+</sup>)/GO) were found. These experimental data explain the higher photocatalytic activity of MIL-53(Fe<sup>3+</sup>)/GO in photo-Fenton reactions—RR195 decomposition.https://www.mdpi.com/2073-4352/11/11/1281metal-organic frameworkMIL-53crystal structurephoto-Fentonreactive red 195 dye |
| spellingShingle | Quang K. Nguyen Galina M. Kuz’micheva Evgeny V. Khramov Roman D. Svetogorov Ratibor G. Chumakov Thuy T. Cao Design of Metal-Organic Polymers MIL-53(M<sup>3+</sup>): Preparation and Characterization of MIL-53(Fe) and Graphene Oxide Composite Crystals metal-organic framework MIL-53 crystal structure photo-Fenton reactive red 195 dye |
| title | Design of Metal-Organic Polymers MIL-53(M<sup>3+</sup>): Preparation and Characterization of MIL-53(Fe) and Graphene Oxide Composite |
| title_full | Design of Metal-Organic Polymers MIL-53(M<sup>3+</sup>): Preparation and Characterization of MIL-53(Fe) and Graphene Oxide Composite |
| title_fullStr | Design of Metal-Organic Polymers MIL-53(M<sup>3+</sup>): Preparation and Characterization of MIL-53(Fe) and Graphene Oxide Composite |
| title_full_unstemmed | Design of Metal-Organic Polymers MIL-53(M<sup>3+</sup>): Preparation and Characterization of MIL-53(Fe) and Graphene Oxide Composite |
| title_short | Design of Metal-Organic Polymers MIL-53(M<sup>3+</sup>): Preparation and Characterization of MIL-53(Fe) and Graphene Oxide Composite |
| title_sort | design of metal organic polymers mil 53 m sup 3 sup preparation and characterization of mil 53 fe and graphene oxide composite |
| topic | metal-organic framework MIL-53 crystal structure photo-Fenton reactive red 195 dye |
| url | https://www.mdpi.com/2073-4352/11/11/1281 |
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