Solvothermal synthesis of NH2-MIL-125(Ti) from circular plate to octahedron

被引：191
|
作者：
Hu, Shen [1 ]
Liu, Min [1 ]
Li, Keyan [1 ]
Zuo, Yi [1 ]
Zhang, Anfeng [1 ]
Song, Chunshan [1 ,2 ,3 ]
Zhang, Guoliang [4 ]
Guo, Xinwen [1 ]
机构：
[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
来源：
CRYSTENGCOMM | 2014年 / 16卷 / 41期
基金：
中国国家自然科学基金;
关键词：
METAL-ORGANIC FRAMEWORK; ADSORPTION; HYDROGEN; SIZE; CRYSTALLIZATION; MORPHOLOGIES; PERFORMANCE; MIL-125; GROWTH; CO2;
D O I：
10.1039/c4ce01545b
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The MOF material NH2-MIL-125(Ti) was synthesized through the solvothermal method, and the morphology can be controlled by simply modulating the concentration of the reactants during crystallization, which ranges from circular plate through tetragon to octahedron. All samples were characterized by SEM, XRD, FT-IR, UV Raman spectra, TGA, Ar adsorption/desorption and UV-vis spectra. In situ XRD results show that this Ti-incorporated MOF is highly thermostable until 290 degrees C. It is interesting to find that the light response of NH2-MIL-125(Ti) crystals is closely related to their morphology, and the absorption edges of different morphologies range from 480 nm to 533 nm with band gaps of 2.6 to 2.3 eV, making them potential candidates for photocatalytic applications.
引用
收藏
页码：9645 / 9650
页数：6
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