- Metal-Organic Frameworks: Synthesis and Applications
- Membrane Separation and Gas Transport
- Gas Sensing Nanomaterials and Sensors
- Analytical Chemistry and Sensors
- Covalent Organic Framework Applications
- Catalytic Processes in Materials Science
- Advanced Sensor and Energy Harvesting Materials
- ZnO doping and properties
- Catalysis and Oxidation Reactions
- Advanced Chemical Sensor Technologies
- Zeolite Catalysis and Synthesis
- Membrane Separation Technologies
- Advancements in Battery Materials
- Mechanical and Optical Resonators
- Oxidative Organic Chemistry Reactions
- Conducting polymers and applications
- Acoustic Wave Resonator Technologies
- Advanced MEMS and NEMS Technologies
- Molecular Sensors and Ion Detection
- Advanced Nanomaterials in Catalysis
- Catalysis and Hydrodesulfurization Studies
- Dendrimers and Hyperbranched Polymers
King Abdullah University of Science and Technology
2015-2023
Materials Design (France)
2016-2018
Physical Sciences (United States)
2017
Here, we report a new and advanced method for the fabrication of highly oriented/polycrystalline metal–organic framework (MOF) thin films. Building on attractive features liquid-phase epitaxy (LPE) approach, facile spin coating was implemented to generate MOF films in high-throughput fashion. Advantageously, this approach offers great prospective cost-effectively construct thin-films with significantly shortened preparation time lessened chemicals solvents consumption, as compared...
Membrane-based gas separations are energy efficient processes; however, major challenges remain to develop high-performance membranes enabling the replacement of conventional separation processes. Herein, a new fluorinated MOF-based mixed-matrix membrane is reported, which formed by incorporating MOF crystals into selected polymers via facile approach. By finely controlling molecular transport in channels through apertures tuned metal pillars and at MOF-polymer interfaces, resulting exhibit...
This work reports on the fabrication of an advanced capacitive sensor based a MFM-300 (In) MOF for detection SO<sub>2</sub> at room temperature. The revealed remarkable sensitivity down to 75 ppb with excellent stability and selectivity other common gases/vapors.
A prototypical metal-organic framework (MOF), a 2D periodic porous structure based on the assembly of copper ions and benzene dicarboxylate (bdc) ligands (Cu(bdc)·xH2O), was grown successfully as thin film interdigitated electrodes (IDEs). IDEs have been used for achieving planar CMOS-compatible low-cost capacitive sensing structures detection humidity volatile organic compounds (VOCs). Accordingly, resultant coated with Cu(bdc)·xH2O evaluated, first time, sensor gas applications. fully...
Membrane-based separations offer great potential for more sustainable and economical natural gas upgrading. Systematic studies of CO
Organic field-effect transistors (OFETs) are emerging as competitive candidates for gas sensing applications due to the ease of their fabrication process combined with ability readily fine-tune properties organic semiconductors. Nevertheless, some key challenges remain be addressed, such material degradation, low sensitivity, and poor selectivity toward toxic gases. Appropriately, a heterojunction combination different layers multifunctional capabilities offers great potential overcome these...
The selectivity and sensitivity of sensors are great interest to the materials chemistry community, a lot effort is now devoted improving these characteristics. More specifically, selective sensing anions one largest challenges impeding sensing-research area due their similar physical chemical behaviors. In this work, platinum–metalated porphyrin (Pt(II)TMPyP) was successfully encapsulated in rho-type zeolite-like metal–organic framework (rho-ZMOF) applied for anion-selective sensing....
Through combining the supermolecular building layer (SBL) approach for designing MOFs with liquid phase epitaxy growth method, we demonstrate that it is possible to precisely control epitaxial of MOF-on-MOF thin films, ordered hierarchical <bold>tbo</bold>-type structures.
The search for effective carbon-capture materials has permitted the disclosure and institution of nanoporous fluorinated metal–organic frameworks (MOFs) with a contracted pore system as benchmark CO2-selective adsorbents. Namely, SIFSIX-3-M (M = Zn, Cu, Ni) MOF adsorbents, encompassing periodic arrangement fluorine moieties in confined one-dimensional channels, exhibit remarkable CO2 adsorption-based selectivity over CH4 H2 various industrially related gas mixtures. Here, we report...
Here, the fabrication of a defect-free membrane that is based on zeolite-like metal-organic framework (ZMOF) with underlying ana topology reported. The unique ana-ZMOF structure provides high degree pore connectivity, which reflected by fast transport gases. Prominently, it offers an optimum pore-aperture size, affording notable sieving selectivity for butane/isobutane, and optimal energetics reverse CO2 /H2 separation. This emphasize potential application pure MOF membranes, paving way to...
Gas membrane-based separation is considered one of the most effective technologies to address energy efficiency and large footprint challenges. Various classes advanced materials, including polymers, zeolites, porous carbons, metal–organic frameworks (MOFs) have been investigated as potential suitable candidates for gas separations. MOFs possess a uniquely tunable nature in which pore size environment can be controlled by connecting metal ions (or ion clusters) with organic linkers various...
The objective of this paper is to demonstrate the integration a MOF thin film on electrostatically actuated microstructures realize switch triggered by gas and sensing algorithm based amplitude tracking. devices are nonlinear response micromachined clamped-clamped beams. microbeams coated with metal-organic framework (MOF), namely HKUST-1, achieve high sensitivity. softening hardening behaviors exploited ideas. For sensing, an amplitude-based tracking developed quantify captured quantity...
There is an increasing interest to realize smarter sensors and actuators that can deliver a multitude of sophisticated functionalities while being compact in size low cost. We report here combining both sensing actuation on the same device based single microstructure. Specifically, we demonstrate smart resonant gas (mass) sensor, which addition capable quantifying amount absorbed gas, be autonomously triggered as electrical switch upon exceeding preset threshold gas. Toward this,...
Abstract Membrane‐based gas separations are energy efficient processes; however, major challenges remain to develop high‐performance membranes enabling the replacement of conventional separation processes. Herein, a new fluorinated MOF‐based mixed‐matrix membrane is reported, which formed by incorporating MOF crystals into selected polymers via facile approach. By finely controlling molecular transport in channels through apertures tuned metal pillars and at MOF‐polymer interfaces, resulting...
Herein, the gas sensing characteristics of PDVT‐10 organic field‐effect transistor (OFET) devices are explored and integrated to build a compact analog‐to‐digital converter (ADC) detection system. The electrical pristine OFET exhibit I on / off ratio threshold voltage as 10 4 −12 V, respectively. Through coating metal‐organic framework (MOF) surface PDVT‐10, improves by one order magnitude accompanied significant positive shift measured around V. MOF is added pre‐concentrating material,...
The state of palladium and copper on the surface PdCl2–CuCl2/γ-Al2O3 nanocatalyst for low-temperature oxidation CO by molecular oxygen was studied various spectroscopic techniques. Using X-ray absorption spectroscopy (XAS), powder diffraction (XRD), diffuse reflectance infrared Fourier transform (DRIFTS), freshly prepared samples catalyst were studied. same also evaluated after interaction with CO, O2, H2O vapor in combinations. It shown that exists form Cu2Cl(OH)3 (paratacamite) nanophase...
Abstract Here, the fabrication of a defect‐free membrane that is based on zeolite‐like metal‐organic framework (ZMOF) with underlying ana topology reported. The unique ‐ZMOF structure provides high degree pore connectivity, which reflected by fast transport gases. Prominently, it offers an optimum pore‐aperture size, affording notable sieving selectivity for butane/isobutane, and optimal energetics reverse CO 2 /H separation. This emphasize potential application pure MOF membranes, paving...
Gas membrane-based separation is considered one of the furthermost effective technology to address energy efficiency and large footprint challenges. Various classes advanced materials including polymers, zeolites, porous carbons metal&ndash;organic frameworks (MOFs) were attempted as membranes for gas separation. MOFs, among other materials, possess uniquely tunable nature, in which pore size environment can be controlled by connecting metal ions (or ion clusters) with organic linkers...
To date, organic semiconductor (OSC) materials have been used in transistor devices for several sensor applications. Saravanan Yuvaraja et al. (article number 2000086) explored the use of Diketopyrrolopyrrole (DPP) based OSCs and metal-organic frameworks (MOFs) heterostructure configuration to realize an field-effect (OFET) that can sense NO2 gas. Not only did they achieve high selectivity ultra-sensitivity but also a super stable device performance. Furthermore, built complete...