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

Shen Hu, Min Liu, Keyan Li, Yi Zuo, Anfeng Zhang, Chunshan Song, Guoliang Zhang, Xinwen Guo

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Abstract

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 °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.

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All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Hu, S., Liu, M., Li, K., Zuo, Y., Zhang, A., Song, C., Zhang, G., & Guo, X. (2014). Solvothermal synthesis of NH2-MIL-125(Ti) from circular plate to octahedron. CrystEngComm, 16(41), 9645-9650. https://doi.org/10.1039/c4ce01545b