Near-Infrared Luminescent Lanthanide MOF Barcodes

Near-Infrared Luminescent Lanthanide MOF Barcodes

We demonstrate the conceptual advantage of using metal−organic frameworks (MOFs) for the creation of a polymetallic material that contains several different near-IR-emitting lanthanide cations and operates as a barcode material with unique luminescence properties. By choosing the ratio of lanthanide...

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Bibliographic Details
Published in:Journal of the American Chemical Society Vol. 131; no. 50; pp. 18069 - 18071
Main Authors: White, Kiley A, Chengelis, Demetra A, Gogick, Kristy A, Stehman, Jack, Rosi, Nathaniel L, Petoud, Stéphane
Format: Journal Article
Language:English
Published: United States American Chemical Society 23-12-2009
Subjects:
Automatic Data Processing - instrumentation
Automatic Data Processing - methods
Chemical Sciences
Lanthanoid Series Elements - chemistry
Luminescent Agents - chemistry
Luminescent Measurements
Materials Testing
Models, Molecular
Molecular Structure
Organometallic Compounds - chemistry
Spectroscopy, Near-Infrared - methods
METAL-ORGANIC FRAMEWORKS
FLUORESCENCE
SENSITIZATION
STRATEGY
NANOCRYSTALS
COMPLEXES
TROPOLONATE LIGANDS
COORDINATION POLYMERS
CATIONS
QUANTUM DOTS
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Description
Summary:We demonstrate the conceptual advantage of using metal−organic frameworks (MOFs) for the creation of a polymetallic material that contains several different near-IR-emitting lanthanide cations and operates as a barcode material with unique luminescence properties. By choosing the ratio of lanthanide salts used during the synthesis, we can control the ratio of lanthanide cations present in the resulting material. We have demonstrated that the emission intensity of each of the different lanthanide cations is proportional to its amount in the MOF crystal, resulting in unique spectroscopic barcodes that depend on the lanthanide cation ratios and compositions.
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ISSN:0002-7863
1520-5126
DOI:10.1021/ja907885m