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题名: In situ synthesis of titanium doped hybrid metal-organic framework UiO-66 with enhanced adsorption capacity for organic dyes
作者: Han, Yitong1;  Liu, Min1;  Li, Keyan1;  Sun, Qiao1;  Zhang, Wensheng1;  Song, Chunshan1, 2, 3;  Zhang, Guoliang4;  Zhang, Z. Conrad5;  Guo, Xinwen1
刊名: INORGANIC CHEMISTRY FRONTIERS
发表日期: 2017-11-01
DOI: 10.1039/c7qi00437k
卷: 4, 期:11, 页:1870-1880
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: Titanium in different amounts has been successfully doped into the zirconium-based metal-organic framework UiO-66 via an in situ synthesis method, resulting in a series of hybrid UiO-66-nTi MOFs. These materials maintain a relatively high crystallinity and excellent structural stability. The addition of titanium has a significant effect on the crystal size and morphology of UiO-66. The UiO-66-nTi MOFs exhibit a sphere-like crystal morphology with a smaller crystal size and a rougher surface compared to the octahedral UiO-66 crystals. The framework order and porosity of the UiO-66-nTi MOFs decrease slightly due to titanium doping. The UiO-66-nTi MOFs were studied as adsorbents for the removal of an organic dye from water. The results demonstrate that these hybrid materials have enhanced adsorption capacity for the organic dye Conge red in comparison with the parent UiO-66. UiO-66-2.7Ti with 2.7% titanium doping shows the highest adsorption capacity of 979 mg g(-1), which is three times higher than that of the parent UiO-66. The strong electrostatic attraction between the positively charged surface of UiO-66-2.7Ti and the negatively charged Congo red molecules was identified as the main driving force for the high adsorption capacity.
关键词[WOS]: CONGO RED-DYE ;  AQUEOUS-SOLUTION ;  FACILE SYNTHESIS ;  METHYLENE-BLUE ;  CATIONIC DYES ;  CATALYTIC-ACTIVITY ;  MILD CONDITIONS ;  THIN-FILMS ;  REMOVAL ;  STABILITY
语种: 英语
WOS记录号: WOS:000414779000012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/149781
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.Dalian Univ Technol, Sch Chem Engn, PSU DUT Joint Ctr Energy Res, State Key Lab Fine Chem, Dalian 116024, Peoples R China
2.Penn State Univ, PSU DUT Joint Ctr Energy Res, EMS Energy Inst, University Pk, PA 16802 USA
3.Penn State Univ, Dept Energy & Mineral Engn, University Pk, PA 16802 USA
4.Zhejiang Univ Technol, Coll Biol & Environm Engn, Hangzhou 310014, Zhejiang, Peoples R China
5.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China

Recommended Citation:
Han, Yitong,Liu, Min,Li, Keyan,et al. In situ synthesis of titanium doped hybrid metal-organic framework UiO-66 with enhanced adsorption capacity for organic dyes[J]. INORGANIC CHEMISTRY FRONTIERS,2017,4(11):1870-1880.
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