DICP OpenIR
Controlled synthesis of mixed-valent Fe-containing metal organic frameworks for the degradation of phenol under mild conditions
Sun, Qiao1; Liu, Min1; Li, Keyan1; Han, Yitong1; Zuo, Yi1; Wang, Junhu2; Song, Chunshan1,3,4; Zhang, Guoliang5; Guo, Xinwen1
Source PublicationDALTON TRANSACTIONS
2016
ISSN1477-9226
DOI10.1039/c5dt05002b
Volume45Issue:19Pages:7952-7959
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Inorganic & Nuclear
WOS Research AreaChemistry
WOS KeywordPHOTOCATALYTIC ACTIVITY ; ZIRCONIUM-PHOSPHATE ; TITANIUM PHOSPHATE ; FACILE SYNTHESIS ; SINGLE-CRYSTAL ; OXIDATION ; CATALYST ; HYDROGEN ; SYSTEM ; SITES
AbstractA series of MIL-53(Fe)-type materials, Fe(BDC)(DMF,F), were prepared by using different ratios of n(FeCl3)/n(FeCl2), which have varied amounts of Fe2+ in their frameworks. From FeCl3 to FeCl2, the structures of the synthesized samples transform from MIL-53(Fe) to Fe(BDC)(DMF,F). Along with this structure transformation, the crystal morphology goes through a striking change from a small irregular shape to a big triangular prism. This phenomenon indicates that the addition of FeCl2 is beneficial for the formation of a Fe(BDC)(DMF,F) structure. The catalytic activity of these iron-containing MOFs was tested in phenol degradation with hydrogen peroxide as an oxidant at near neutral pH and 35 degrees C. The degradation efficiency of these samples increases gradually from MIL-53(Fe) to Fe(BDC)(DMF,F). Fe-57 Mossbauer spectra reveal that Fe2+ and Fe3+ coexist in the Fe(BDC)(DMF,F) framework, and the highest amount of Fe2+ in the sample prepared with mixed FeCl3 and FeCl2 is 26.0%. The result illustrates that the amount of Fe2+ in the samples can be controlled using varied n(FeCl3)/n(FeCl2) in the feed. The diverse amount of Fe2+ in this series of FeMOF materials exactly explains the distinction of reaction efficiency. The iron leaching tests, structures of the fresh and used catalysts, and the data of the recycling runs show that the Fe-containing MOFs are stable in this liquid-phase reaction.
Language英语
WOS IDWOS:000375605900004
PublisherROYAL SOC CHEMISTRY
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/170905
Collection中国科学院大连化学物理研究所
Corresponding AuthorSong, Chunshan; Guo, Xinwen
Affiliation1.Dalian Univ Technol, State Key Lab Fine Chem, PSU DUT Joint Ctr Energy Res, Sch Chem Engn, Dalian 116024, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Mossbauer Effect Data Ctr, Dalian, Peoples R China
3.Penn State Univ, EMS Energy Inst, PSU DUT Joint Ctr Energy Res, University Pk, PA 16802 USA
4.Penn State Univ, Dept Energy & Mineral Engn, University Pk, PA 16802 USA
5.Zhejiang Univ Technol, Coll Biol & Environm Engn, Hangzhou 310014, Zhejiang, Peoples R China
Recommended Citation
GB/T 7714
Sun, Qiao,Liu, Min,Li, Keyan,et al. Controlled synthesis of mixed-valent Fe-containing metal organic frameworks for the degradation of phenol under mild conditions[J]. DALTON TRANSACTIONS,2016,45(19):7952-7959.
APA Sun, Qiao.,Liu, Min.,Li, Keyan.,Han, Yitong.,Zuo, Yi.,...&Guo, Xinwen.(2016).Controlled synthesis of mixed-valent Fe-containing metal organic frameworks for the degradation of phenol under mild conditions.DALTON TRANSACTIONS,45(19),7952-7959.
MLA Sun, Qiao,et al."Controlled synthesis of mixed-valent Fe-containing metal organic frameworks for the degradation of phenol under mild conditions".DALTON TRANSACTIONS 45.19(2016):7952-7959.
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