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- Title
Low-Temperature and Additive-Free Synthesis of Spherical MIL-101(Cr) with Enhanced Dye Adsorption Performance.
- Authors
Zhao, Tian; Zhu, Hexin; Dong, Ming; Zou, Minmin; Tang, Songfan; Luo, Mingliang; Li, Xianggang
- Abstract
The chromium-benzenedicarboxylate metal–organic framework (MOF), MIL-101(Cr), is one of the most well-investigated and widely used prototypical MOFs. Regarding its synthesis, the use of a toxic modulator (usually HF) and high reaction temperature (220 °C) are the main factors hindering its further expansion of production and utilization. In fact, high quality MIL-101(Cr) crystals can be prepared at a much lower temperature (160 °C) with spherical morphology via an additive-free approach. Compared to traditional octahedral MIL-101(Cr), the spherical MIL-101(Cr) possesses higher adsorption performance toward dye molecules, including methyl orange (MO) and rhodamine B (RB). The results suggest that toxic additives and high reaction temperatures are not essential in the synthesis of MIL-101(Cr), and the fabrication of spherical MIL-101(Cr) may offer a facile and effective pathway for the large-scale industrial application of MIL-101(Cr).
- Subjects
ADSORPTION (Chemistry); POISONS; METAL-organic frameworks; DYES &; dyeing; HIGH temperatures; RHODAMINE B
- Publication
Inorganics, 2022, Vol 10, Issue 3, p33
- ISSN
2304-6740
- Publication type
Article
- DOI
10.3390/inorganics10030033