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题名: Hydrothermal syntheses and crystal structures of crystalline catalysts based on 3-D Ln(3+)-pdc(2-) frameworks and [BW12O40](5-) and their heterogeneous photocatalytic oxidation of thiophene
作者: Li, Wei-Ning1;  Lin, Feng2;  Li, Xing-Xing1;  Zhang, Lan-Cui1;  You, Wan-Sheng1;  Jiang, Zong-Xuan2
关键词: Polyoxometalate ;  Lanthanide polymer ;  MOF ;  Photocatalysis ;  Desulfurization
刊名: JOURNAL OF COORDINATION CHEMISTRY
发表日期: 2013-08-01
DOI: 10.1080/00958972.2013.816418
卷: 66, 期:16, 页:2829-2842
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Inorganic & Nuclear
研究领域[WOS]: Chemistry
英文摘要: Five [BW12O40](5-)-containing metal-organic frameworks (MOFs), {K[Ln(H2O)(4)(pdc)](4)}[BW12O40]center dot 2H(2)O (Ln=La 1 and Ce 2, H(2)pdc = pyridine-2,6-dicarboxylate) and {K[Ln(H2O)(3)(pdc)](4)}[BW12O40]center dot 6H(2)O (Ln=Tb 3, Dy 4 and Er 5), are synthesized hydrothermally. Ln(3+) and pdc(2-) are built into 3-D MOF segments containing large channels and cavities which are occupied by [BW12O40](5). Herein, we report MOF-containing polyoxometalates (POMs) as photocatalysts to oxidize thiophene with O-2 as the oxidant. Photo-excited state species ([BW12O40](5-)) are generated under UV irradiation and then H2O is oxidized into OH radicals and O-2 is reduced into O-2(2-). The active oxygen species (O-2(2-), OH) oxidize thiophene in the presence of photocatalysts and SO3, CO2, and H2O are obtained as photoproducts. ESR measurements provide evidence that OH species are generated during photocatalysis.
关键词[WOS]: KEGGIN-TYPE HETEROPOLYANION ;  ULTRA-DEEP DESULFURIZATION ;  PHOSPHOTUNGSTIC ACID ;  GAS OIL ;  SELECTIVE OXIDATION ;  DUAL COCATALYSTS ;  POLYOXOMETALATE ;  PERFORMANCE ;  NANOCOMPOSITE ;  CLUSTERS
语种: 英语
WOS记录号: WOS:000324365600005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/137732
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Liaoning Normal Univ, Inst Chem Functionalized Mat, Dalian, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian, Peoples R China

Recommended Citation:
Li, Wei-Ning,Lin, Feng,Li, Xing-Xing,et al. Hydrothermal syntheses and crystal structures of crystalline catalysts based on 3-D Ln(3+)-pdc(2-) frameworks and [BW12O40](5-) and their heterogeneous photocatalytic oxidation of thiophene[J]. JOURNAL OF COORDINATION CHEMISTRY,2013,66(16):2829-2842.
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