AI Article Synopsis
- Researchers successfully combined luminescent core-shell quantum dots (QDs) with a metal-organic framework (MOF) using a simple one-pot method.
- The QDs were effectively integrated into the MOF-5 during its growth through tailored surface modifications, allowing for their solubilization.
- The QD@MOF-5 composites were analyzed using various advanced imaging and spectroscopy techniques and demonstrated potential use in a molecular sensor capable of distinguishing molecules based on size.
Article Abstract
The incorporation of highly luminescent core-shell quantum dots (QDs) within a metal-organic framework (MOF) is achieved through a one-pot method. Through appropriate surface functionalization, the QDs are solubilized within MOF-5 growth media. This permits the incorporation of the QDs within the evolving framework during the reaction. The resulting QD@MOF-5 composites are characterized using X-ray fluorescence, cross-sectional confocal microscopy, energy-dispersive X-ray spectroscopy, scanning electron microscopy, and small-angle X-ray scattering. The synergistic combination of luminescent QDs and the controlled porosity of MOF-5 in the QD@MOF-5 composites is harnessed within a prototype molecular sensor that can discriminate on the basis of molecular size.
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| http://dx.doi.org/10.1002/smll.201100710 | DOI Listing |
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