Abstract: An air breathing filtering system includes a housing having an air input and an air output, a first filtering stage that filters out particles from a first air stream to generate a second air stream, and a second filtering stage that filters out germs from the second air stream to generate a third air stream, wherein the second filtering stage uses a different filtering process than the first filtering stage. The first air stream is received at the air input and the third air stream is discharged outside the housing at the air output. The second filtering stage uses a liquid to disable the germs from the second air stream.

Abstract: Embodiments of the present disclosure describe a device for removing CO2 comprising a gas flow inlet, a housing including a SIFSIX-3-Cu metal-organic framework (MOF) composition for sorbing and/or desorbing CO2, and a gas flow outlet. Embodiments of the present disclosure describe an anesthetic system comprising one or more regeneratable cartridges for sorbing and/or desorbing CO2, wherein each of the one or more regeneratable cartridge includes a metal-organic framework composition, wherein at least one of the regeneratable cartridges includes a SIFSIX-3-Cu MOF. Embodiments of the present disclosure describe an alkaline fuel cell comprising a catalyst layer including a SIFSIX-3-Cu MOF composition for sorbing and/or desorbing CO2.

Abstract: Embodiments include an electrode material including a plurality of cores fused to a plurality of redox active linkers via Aza units to form a layered two-dimensional (2D) Aza-fused pi-conjugated covalent organic framework (COF). Embodiments also include a negative electrode material including the electrode material, as well as a supercapacitor device and an asymmetric supercapacitor device including the electrode material. Embodiments further include a method of making an electrode material including one or more of the following steps: combining a hexaketocyclohexane compound and an aromatic tetraamine compound in a solution; mixing the solution including the hexaketocyclohexane compound and the aromatic tetraamine compound; and heating the mixed solution to form a 2D Aza-fused pi-conjugated COF.

Abstract: Embodiments of the present disclosure describe freestanding microporous membranes, methods of fabricating freestanding microporous membranes, freestanding porous membranes as electrode separators, electrochemical cells comprising freestanding porous membranes, and the like. In one aspect, the present invention provides an electrode separator comprising a freestanding microporous membrane including at least one of a covalent organic framework and a metal organic framework, and a threading polymer associated with the freestanding microporous membrane via one or more non-covalent interactions, wherein each of the threading polymer and freestanding microporous membrane include at least one moiety that participates in the one or more non-covalent interactions.

Abstract: Embodiments describe a method of depositing an MOF, including depositing a metal solution onto a substrate, spinning the substrate sufficient to spread the metal solution, depositing an organic ligand solution onto the substrate and spinning the substrate sufficient to spread the organic ligand solution and form a MOF layer.

Abstract: A moisture sensor is configured to be deployed in soil for measuring a moisture content. The moisture sensor includes a housing; a transistor configured to interact with water from the soil; a power source configured to generate an electrical current; and a processing unit configured to receive a reading from the transistor, and to calculate the moisture content of the soil based on the reading. The transistor includes a metal-organic framework, MOF.

Abstract: An NO2 detection device includes a substrate; a drain formed on the substrate; a source formed on the substrate; a p-type polymer semiconductor layer formed on the substrate, between the drain and the source; and an n-type metal-organic framework layer located over the p-type polymer semiconductor layer. The n-type metal-organic framework layer has apertures having a size larger than a size of the NO2 molecules so that the NO2 molecules pass through the n-type metal-organic framework layer to arrive at the p-type polymer semiconductor layer to increase an electrical current.

Abstract: A method for making a metal-organic framework, MOF, as nanosheets, includes providing a MXene, wherein the MXene has a general formula of Mn+1XnTx, with n=1-3, M represents an early transition metal, X is C and/or N, and Tx is surface terminations; providing a ligand; mixing the MXene and the ligand in a vessel; heating the MXene and the ligand in the vessel; and forming the MX-MOF nanosheets. The MX-MOF nanosheets have a thickness less than 10 nm.

Abstract: Embodiments of the present disclosure provide a metal-organic framework composition including a metal-organic framework having an ana topology, the metal-organic framework including one or more metals connected to one or more organic linkers. Embodiments of the present disclosure further provide a method of separating chemical species including contacting a metal-organic framework having an ana topology with a flow of paraffins and separating the paraffins.

Abstract: Embodiments of the present disclosure provide for metal-organic materials (MOMs), systems that exhibit permanent porosity and using hydrophobic MOMs to separate components in a gas, methods of separating CO2 from a gas, and the like.

Abstract: Embodiments include methods of fabricating a zeolite-like metal-organic framework with an ana-topology (ana-ZMOF) thin film membrane, the methods comprising: (1) modifying a substrate with ana-ZMOF crystal precursors in the presence of polyvinylpyrrolidone; and (2) intergrowing the ana-ZMOF crystal precursors in the presence of polyvinylpyrrolidone to form a continuous defect-free thin film of an ana-ZMOF intergrown on the substrate. Embodiments further include methods of separating chemical species comprising contacting an ana-ZMOF thin film membrane with a fluid composition containing one or more chemical species and separating at least one of the chemical species.

Abstract: Embodiments of the present disclosure describe metal-organic framework compositions comprising a pillar characterized by the formula (MbF5(O/H2O)), where Mb is selected from periodic groups IIIA, IIIB, IVB, VB, VIB, and VIII; and a square grid characterized by the formula (Ma(ligand)x), where Ma is selected from periodic groups IB, IIA, IIB, IIIA, IVA, IVB, VIB, VIIB, and VIII, ligand is a polyfunctional organic ligand, and x is 1 or more; wherein the pillaring of the square grid with the pillars forms the metal-organic framework.

Abstract: A green route for preparing a metal organic framework include mixing metal precursor with a ligand precursor to form a solvent-free mixture; adding droplets of water to the mixture; heating the mixture at a first temperature after adding the water; and isolating the metal organic framework material including the metal and the ligand.

Abstract: Embodiments of the present disclosure describe an electrode material comprising a metal ion cluster and an organic linker with a redox-active center associated with the metal ion cluster sufficient to form a metal-organic framework. Embodiments of the present disclosure further describe a method of forming an electrode material comprising contacting a metal ion cluster with an organic linker including a redox-active center sufficient to form a metal-organic framework. Embodiments of the present disclosure also describe a metal-organic framework composition comprising a metal ion cluster and an organic linker with a redox-active center associated with the metal ion cluster.

Abstract: Embodiments of the present disclosure describe an electrode material comprising a metal ion cluster and an organic linker with a redox-active center associated with the metal ion cluster sufficient to form a metal-organic framework. Embodiments of the present disclosure further describe a method of forming an electrode material comprising contacting a metal ion cluster with an organic linker including a redox-active center sufficient to form a metal-organic framework. Embodiments of the present disclosure also describe a metal-organic framework composition comprising a metal ion cluster and an organic linker with a redox-active center associated with the metal ion cluster.

Abstract: Embodiments of the present disclosure describe a device for removing CO2 comprising a gas flow inlet, a housing including a SIFSIX-3-Cu metal-organic framework (MOF) composition for sorbing and/or desorbing CO2, and a gas flow outlet. Embodiments of the present disclosure describe an anesthetic system comprising one or more regeneratable cartridges for sorbing and/or desorbing CO2, wherein each of the one or more regeneratable cartridge includes a metal-organic framework composition, wherein at least one of the regeneratable cartridges includes a SIFSIX-3-Cu MOF. Embodiments of the present disclosure describe an alkaline fuel cell comprising a catalyst layer including a SIFSIX-3-Cu MOF composition for sorbing and/or desorbing CO2.

Abstract: Embodiments of the present disclosure provide a metal-organic framework composition including a metal-organic framework having an ana topology, the metal-organic framework including one or more metals connected to one or more organic linkers. Embodiments of the present disclosure further provide a method of separating chemical species including contacting a metal-organic framework having an ana topology with a flow of paraffins and separating the paraffins.

Abstract: Metal organic framework membranes can be used in gas separation applications.

Abstract: Embodiments of the present disclosure describe metal-organic framework compositions comprising a pillar characterized by the formula (MbF5(O/H2O)), where Mb is selected from periodic groups IIIA, IIIB, IVB, VB, VIB, and VIII; and a square grid characterized by the formula (Ma(ligand)x), where Ma is selected from periodic groups IB, IIA, IIB, IIIA, IVA, IVB, VIB, VIIB, and VIII, ligand is a polyfunctional organic ligand, and x is 1 or more; wherein the pillaring of the square grid with the pillars forms the metal-organic framework.

Abstract: Embodiments of the present disclosure describe a gas sensor comprising a gas-sensing material including a metal-organic framework with fcu topology and a substrate with a pair of electrodes proximate to the gas-sensing material, wherein the gas sensor is configured to detect toxic gas. Embodiments of the present disclosure further describe a method of detecting gas comprising contacting a gas sensor including a metal-organic framework with fcu topology with a gas/vapour composition including at least one toxic gas, capturing the at least one toxic gas from the fluid composition, and measuring an electrical property to detect a presence of the at least one toxic gas.