High-yield, fluoride-free and large-scale synthesis of MIL-101(Cr)

Dalton Transactions : an International Journal of Inorganic Chemistry
Tian ZhaoChristoph Janiak

Abstract

MIL-101(Cr), one of the most important prototypical MOFs, is well investigated and widely used in many scientific fields. With regard to MOF synthesis in general, the addition of a modifier is commonly used to improve the properties of the products. The effect of inorganic (mineral) and organic acid modifiers was thoroughly investigated in the synthesis of MIL-101(Cr) and HNO3 could increase the yield to over 80% of a product with average SBET > 3200 m(2) g(-1) in repeated experiments (from an average of 50% in most published syntheses) in small-scale laboratory synthesis. The large-scale synthesis could use the finding of HNO3 addition and produce MIL-101(Cr) in >100 g quantities with yields near 70% and BET-surface areas near 4000 m(2) g(-1). The addition of acetic acid (CH3COOH) together with seeding could decrease the reaction temperature, the lowest being 160 °C (from typically 220 °C in published procedures), with still relatively good yield and BET surface area of the product. The use of other strong inorganic or weak carboxylic acids as modulators typically caused a decrease in yield and porosity.

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Citations

May 5, 2016·Dalton Transactions : an International Journal of Inorganic Chemistry·Felix JeremiasChristoph Janiak
Aug 4, 2016·Journal of the American Chemical Society·Benjamin Le OuayTakashi Uemura
Apr 27, 2017·Dalton Transactions : an International Journal of Inorganic Chemistry·Carlos Echaide-GórrizJoaquín Coronas
May 31, 2017·ChemSusChem·Fatma Pelin KinikSeda Keskin
Jun 19, 2018·Chemical Communications : Chem Comm·Cédric Van GoethemIvo F J Vankelecom
Jan 22, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Alexander NuhnenChristoph Janiak
Jul 19, 2017·Dalton Transactions : an International Journal of Inorganic Chemistry·Serkan GökpinarChristoph Janiak
Feb 12, 2020·Global Challenges·Luciano D SappiaOmar Azzaroni
Sep 4, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Zhongbao LiuFengfei Lou
Dec 24, 2018·Dalton Transactions : an International Journal of Inorganic Chemistry·Ling YangYue-Jun Liu
Nov 14, 2016·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Qing ChenJian-Hua Wang
Feb 1, 2020·Scientific Reports·Matthew W LoganZhiyong Xia
Jun 11, 2021·The Science of the Total Environment·David UrsueguíaSalvador Ordóñez
Jul 16, 2020·Inorganic Chemistry·Saurav BhattacharyaUlrich Kortz

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