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Meeting Materials Science & Technology 2020
Symposium Synthesis, Characterization, Modeling and Applications of Functional Porous Materials
Presentation Title Luminescent Metal-organic Framework-Based Sensors of Rare Earth Elements in Aqueous Streams
Author(s) Scott Evan Crawford, John Baltrus, Paul Ohodnicki
On-Site Speaker (Planned) Scott Evan Crawford
Abstract Scope Rare earth elements (REEs) are critically important to numerous advanced technologies. Yet factors including monopolistic conditions, expensive separation of co-mined REE ores, and environmental concerns have destabilized the global supply of REEs. Consequently, significant effort has been devoted to increasing REE domestic production, including the extraction of REEs from coal and associated waste streams such as acid mine drainage. Analytical techniques for quantification of REE content in aqueous phases can facilitate REE recovery through rapid identification of high-value waste streams. Here, the porous metal-organic framework BioMOF-100 is evaluated as a fluorescence-based sensor for emissive lanthanides in water, providing rapid (<10 minute) analysis times and sensitive detection (part-per-billion levels) for terbium, dysprosium, samarium, europium, ytterbium, and neodymium in aqueous conditions or following REE extraction into organic solvents. Sensing is also demonstrated using a low-cost, portable, optical fiber-based spectrometer to highlight the potential of the BioMOF-100 sensor for field use.


An Overview of High-temperature Ceramic-carbonate Dual-phase Membranes for CO2 Capture and Conversion
Compositional Influence on Kirkendall Pore Formation during Fabrication of Gamma Prime Strengthened Superalloy Microtubes
Crystallinity Effect on Mesoporous TiO2 Nanoparticle Negative Electrode Material for Metal Ion Batteries
Density Functional Theory Study of the Porous Metal-organic Framework Material Ni-Bpy-Me
Designing Multi-phase Reaction Pathways for CO2 Capture and Enhanced H2 Production from Ca- and Mg-bearing Precursors to Produce Stable Porous Carbonates Using Cross-scale X-ray Scattering Measurements
Development of Nanostructured Vycor Glass Microspheres for Doxorubicin Administration
Experimental Thermodynamics of Zeolites and Metal-organic Frameworks
Hierarchical Porosity in δ-MnO2 Nanosheet Assemblies via Layer-tunnel Conversion
Highly Controlled and Steerable Porosity for Ceramic Structures via Freeze Casting
Introductory Comments: Synthesis, Characterization, Modeling and Applications of Functional Porous Materials
Low/Intermediate Temperature Polysiloxane Derived Ceramics with Increased Carbon for Electrical Applications
Luminescent Metal-organic Framework-Based Sensors of Rare Earth Elements in Aqueous Streams
Porous Crystalline Porphyrinic Structures for Functional Materials Applications
Porous Organic Cage Composite Membranes for Post-combustion CO2 Separation
Surface Modified ScSZ-MC Dual-phase Membrane for Pre-combustion CO2 Capture
Synchrotron Structure and Sorption Properties of a Metal Organic Framework Compound Ni(3-methyl-4,4’-bipyridine)[Ni(CN)4] for CO2 Mitigation Application
The Influence of Yttria Content and Synthetic Parameters on the Thermal Stability of Yttria-stabilized Zirconia Aerogels
Thermodynamics of Naturally Occurring 2D and 3D Mineral Hosts: Zeolites, Layered Double Hydroxides and Clays

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