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Transformation of a Chiral Nanoporous Bimetallic Cyano-Bridged Framework Triggered by Dehydration/Rehydration

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Gas separations in metal-organic frameworks

Wendy Lee Queen, Miguel Gonzalez

Owing to their high surface areas, tunable pore dimensions, and adjustable surface functionality, metal-org. frameworks (MOFs) can offer advantages for a variety of gas storage and gas sepn. applications. In an effort to help curb greenhouse gas emissions ...

American Chemical Society2015

Systematic Tuning and Multifunctionalization of Covalent Organic Polymers for Enhanced Carbon Capture

Berend Smit, Rocio Mercado, Johanna Maria Huck, Hui Wang

Porous covalent polymers are attracting increasing interest in the fields of gas adsorption, gas separation, and catalysis due to their fertile synthetic polymer chemistry, large internal surface areas, and ultrahigh hydrothermal stabilities. While precise ...

American Chemical Society2015

Activated carbon fibers for efficient VOC removal from diluted streams: the role of surface morphology

Albert Renken, Lioubov Kiwi, Guillaume Bastien Baur

The effect of the micropore structure of activated carbon fibers (ACFs) on the adsorption of toluene at low concentration (10-80 ppmv) was studied over two types of ACFs. Both adsorbents presented similar surface chemistry but different porous structure: o ...

Springer Verlag2015

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Analysis of the CO2 adsorption properties of a well-known series of metal-organic frameworks M-2(dobdc) (dobdc(4-) = 2,5-dioxido-1,4-benzenedicarboxylate; M = Mg, Mn, Fe, Co, Ni, Cu, and Zn) is carried out in tandem with in situ structural studies to ident ...

Royal Soc Chemistry2014

Gas separations in metal-organic frameworks

Wendy Lee Queen

American Chemical Society2014

Water Adsorption in Porous Metal-Organic Frameworks and Related Materials

Wendy Lee Queen

Three criteria for achieving high performing porous materials for water adsorption have been identified. These criteria deal with condensation pressure of water in the pores, uptake capacity, and recyclability and water stability of the material. Water ads ...

2014

Characterization of high-spin metal-carbonyls in metal-organic frameworks with exposed cation sites

Wendy Lee Queen

The metal-org. frameworks M2(dobdc) (dobdc4- = 2,5-dioxido-1,4-benzenedicarboxylate, MOF-74, CPO-27) (M = Mg, Mn, Fe, Co, Ni, Zn) have shown considerable promise for a no. of gas storage and sepn. applications. These have included CO2/N2, CO2/H2, O2/N2, an ...

American Chemical Society2014

Unveiling molecular level detail of CO2 adsorption in several extensive families of metal-organic frameworks

Wendy Lee Queen, Miguel Gonzalez

High atm. CO2 levels, resulting largely from combustion of fossil fuels, and its undesirable impact on global climate has sparked considerable interest in cleaner energy sources. While energy transitions are historically slow, technol. solns. for mitigatio ...

American Chemical Society2014

Redox chemistry and metal–insulator transitions intertwined in a nano-porous material

Berend Smit

Metal-organic frameworks are nano-porous adsorbents of relevance to gas separation and catalysis, and separation of oxygen from air is essential to diverse industrial applications. The ferrous salt of 2,5-dihydroxy-terephthalic acid, a metal-organic framew ...

Probing Adsorption Interactions in Metal-Organic Frameworks using X-ray Spectroscopy

Berend Smit

We explore the local electronic signatures of molecular adsorption at coordinatively unsaturated binding sites in the metal-organic framework Mg-MOF-74 using X-ray spectroscopy and first-principles calculations. In situ measurements at the Mg K-edge reveal ...

2013