Tuned to perfection: Ironing out the defects in metal-organic framework UiO-66

Greig C. Shearer; Sachin Chavan; Jayashree Ethiraj; Jenny G. Vitillo; Stian Svelle; Unni Olsbye; Carlo Lamberti; Silvia Bordiga; Karl Petter Lillerud

doi:10.1021/cm501859p

Tuned to perfection: Ironing out the defects in metal-organic framework UiO-66

Greig C. Shearer, Sachin Chavan, Jayashree Ethiraj, Jenny G. Vitillo, Stian Svelle, Unni Olsbye, Carlo Lamberti, Silvia Bordiga, Karl Petter Lillerud

Chemistry (Twin Cities)

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Abstract

A study was conducted to demonstrate the logical impact that the synthesis conditions can have on the properties of UiO-66. Seven potential pitfalls regarding sample ideality were investigated. Five different BDC:Zr ratios were also synthesized on different temperatures. Moreover, the effect of DMF washing and methanol exchange procedures was assessed. It can be seen that the thermal stability of UiO-66 is dramatically and systematically improved by increasing the synthesis temperature. The PXRD pattern of UiO-66-100-2:1-2DMF is already somewhat affected by treatment at only 200°C. Treatment at this temperature typically resulted in 70% of the original sample mass being retained. Regarding the other synthesis parameters investigated, it was found that the BDC:Zr ratio had little effect on the thermal stability of the materials, while stability decreased with increasing extent of washing.

Original language	English (US)
Pages (from-to)	4068-4071
Number of pages	4
Journal	Chemistry of Materials
Volume	26
Issue number	14
DOIs	https://doi.org/10.1021/cm501859p
State	Published - Jul 22 2014

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AU - Chavan, Sachin

AU - Ethiraj, Jayashree

AU - Vitillo, Jenny G.

AU - Svelle, Stian

AU - Olsbye, Unni

AU - Lamberti, Carlo

AU - Bordiga, Silvia

AU - Lillerud, Karl Petter

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Tuned to perfection: Ironing out the defects in metal-organic framework UiO-66

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