Description
Key Properties & Advantages
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Erbium-Driven Electronic Properties: Erbium’s unique 4f electronic configuration endows the material with exceptional near-infrared (NIR) luminescence (emission typically in 1500–1600 nm range) and strong Lewis acidity—properties rarely combined in traditional MOFs.
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High Surface Area & Tunable Porosity: Retains the hallmark MOF advantages of large BET surface area (typically 500–900 m²/g) and adjustable pore size (0.8–2.0 nm), enabling efficient molecular adsorption, catalytic site accessibility, and guest-host interactions.
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Rare-Earth Photophysical Traits: Erbium’s NIR luminescence is less susceptible to autofluorescence and tissue scattering, making it valuable for bioimaging and optical sensing applications. Its long luminescence lifetime (μs-ms scale) enhances signal-to-noise ratios in detection.
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Lewis Acid Catalytic Activity: Erbium nodes act as robust Lewis acid sites, promoting reactivity in asymmetric catalysis (e.g., enantioselective synthesis) and organic transformations (e.g., cycloadditions, esterifications).
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Superior Crystallinity & Consistency: Precise synthesis controls ensure high crystallinity, which stabilizes luminescent properties and catalytic activity. Strict quality checks guarantee minimal batch variation in particle size, porosity, and erbium loading.
Applications
Near-Infrared Luminescence
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Bioimaging & Sensing: Erbium’s NIR emission (1530–1550 nm) penetrates deeply into biological tissues with minimal interference, enabling non-invasive in vivo imaging. It also serves as a luminescent probe for biomolecule detection (e.g., proteins, nucleic acids) via guest-induced luminescence quenching/enhancement.
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Optical Devices: Potential use in NIR lasers, amplifiers, and optical communication components, leveraging its stable luminescent output under excitation.
Asymmetric Catalysis
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Enantioselective Synthesis: Erbium’s Lewis acidity, combined with the MOF’s chiral framework (when using chiral ligands), promotes asymmetric reactions such as Diels-Alder cycloadditions and hydrogenations, achieving high enantiomeric excess (ee) values.
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Organic Transformation Catalysis: Efficiently catalyzes acid-mediated reactions (e.g., alcohol dehydration, acetalization) with high turnover numbers, thanks to the MOF’s porous structure that stabilizes active sites and facilitates substrate diffusion.
Environmental Pollutant Detection
Selective Gas Adsorption
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Rare Gas Separation: Erbium’s polarizability enables selective adsorption of noble gases (e.g., Xe, Kr) from gas mixtures, useful for nuclear waste treatment or rare gas purification.
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Small Molecule Capture: Tunable porosity and erbium-guest interactions enhance selectivity for gases like CO₂ and H₂, supporting carbon capture and hydrogen storage applications.
Technical Specifications
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Parameter
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Details
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Metal Node
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Erbium (Er³⁺)
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Ligand System
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Typically carboxylate-based (e.g., terephthalate derivatives) or β-diketonate ligands (tailored for luminescence/catalysis)
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Appearance
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Pale pink to off-white crystalline powder
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Crystallinity
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High (confirmed by XRD with sharp diffraction peaks)
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BET Surface Area
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500–900 m²/g
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Pore Size
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0.8–2.0 nm (tunable via ligand selection)
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Luminescence Range
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1500–1600 nm (NIR) under 980 nm excitation
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Purity
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≥95% (research grade, with trace metal impurities <0.1%)
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Quality Assurance
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X-ray diffraction (XRD) to verify crystallinity and phase purity.
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N₂ adsorption-desorption analysis to confirm surface area and pore size distribution.
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Photoluminescence spectroscopy (PL) to validate NIR emission intensity and lifetime.
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Inductively coupled plasma mass spectrometry (ICP-MS) to quantify erbium loading and impurity levels.
Packaging & Storage
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Available in 1g, 5g, and 10g quantities, packaged in airtight, light-resistant containers to protect luminescent properties. Store at room temperature in a dry, inert atmosphere (e.g., argon) to prevent moisture-induced degradation. Shelf life is ≥6 months under proper storage conditions.
Why Choose Er-MOF (KAR-F14)?
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).

