Abstract
UiO-66 is an archetypal zirconium-based metal-organic framework (MOF) that is constructed from hexanuclear zirconium oxide clusters as secondary building units (SBUs) and 1,4-benzenedicarboxylate (bdc) linkers. For the first time, a room-temperature solution-based synthesis is reported for UiO-66 and several of its derivatives, UiO-66-X (X = NH2, OH, or NO2), resulting in materials that are as porous and crystalline as those made at elevated temperatures. In addition, via modulation of the temperature at which UiO-66 is synthesized, the number of defect sites can be varied. It was found through N2 sorption isotherm analysis and potentiometric acid-base titrations that increasing the synthesis temperature from 25 to 130 °C results in a systematic decrease in the number of defect sites in UiO-66. The results suggest that, with respect to this synthetic procedure, a maximal number of defect sites is achieved [∼1.3 missing linkers per Zr6O4(OH)4(bdc)6] at a temperature of 45 °C.
| Original language | English |
|---|---|
| Pages (from-to) | 1357-1361 |
| Number of pages | 5 |
| Journal | Chemistry of Materials |
| Volume | 29 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - Feb 14 2017 |
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ASJC Scopus subject areas
- Chemistry(all)
- Chemical Engineering(all)
- Materials Chemistry
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Room-Temperature Synthesis of UiO-66 and Thermal Modulation of Densities of Defect Sites. / DeStefano, Matthew R.; Islamoglu, Timur; Garibay, Sergio J.; Hupp, Joseph T; Farha, Omar K.
In: Chemistry of Materials, Vol. 29, No. 3, 14.02.2017, p. 1357-1361.Research output: Contribution to journal › Article
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TY - JOUR
T1 - Room-Temperature Synthesis of UiO-66 and Thermal Modulation of Densities of Defect Sites
AU - DeStefano, Matthew R.
AU - Islamoglu, Timur
AU - Garibay, Sergio J.
AU - Hupp, Joseph T
AU - Farha, Omar K.
PY - 2017/2/14
Y1 - 2017/2/14
N2 - UiO-66 is an archetypal zirconium-based metal-organic framework (MOF) that is constructed from hexanuclear zirconium oxide clusters as secondary building units (SBUs) and 1,4-benzenedicarboxylate (bdc) linkers. For the first time, a room-temperature solution-based synthesis is reported for UiO-66 and several of its derivatives, UiO-66-X (X = NH2, OH, or NO2), resulting in materials that are as porous and crystalline as those made at elevated temperatures. In addition, via modulation of the temperature at which UiO-66 is synthesized, the number of defect sites can be varied. It was found through N2 sorption isotherm analysis and potentiometric acid-base titrations that increasing the synthesis temperature from 25 to 130 °C results in a systematic decrease in the number of defect sites in UiO-66. The results suggest that, with respect to this synthetic procedure, a maximal number of defect sites is achieved [∼1.3 missing linkers per Zr6O4(OH)4(bdc)6] at a temperature of 45 °C.
AB - UiO-66 is an archetypal zirconium-based metal-organic framework (MOF) that is constructed from hexanuclear zirconium oxide clusters as secondary building units (SBUs) and 1,4-benzenedicarboxylate (bdc) linkers. For the first time, a room-temperature solution-based synthesis is reported for UiO-66 and several of its derivatives, UiO-66-X (X = NH2, OH, or NO2), resulting in materials that are as porous and crystalline as those made at elevated temperatures. In addition, via modulation of the temperature at which UiO-66 is synthesized, the number of defect sites can be varied. It was found through N2 sorption isotherm analysis and potentiometric acid-base titrations that increasing the synthesis temperature from 25 to 130 °C results in a systematic decrease in the number of defect sites in UiO-66. The results suggest that, with respect to this synthetic procedure, a maximal number of defect sites is achieved [∼1.3 missing linkers per Zr6O4(OH)4(bdc)6] at a temperature of 45 °C.
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UR - http://www.scopus.com/inward/citedby.url?scp=85012875784&partnerID=8YFLogxK
U2 - 10.1021/acs.chemmater.6b05115
DO - 10.1021/acs.chemmater.6b05115
M3 - Article
AN - SCOPUS:85012875784
VL - 29
SP - 1357
EP - 1361
JO - Chemistry of Materials
JF - Chemistry of Materials
SN - 0897-4756
IS - 3
ER -