Journal
SMALL
Volume 8, Issue 1, Pages 80-88Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.201100710
Keywords
metal-organic frameworks; quantum dots; luminescence; size-selective sieve; sensors
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Funding
- Australian Research Council through the APD [DP0988106]
- CSIRO OCE
- CSIRO
- Australian Research Council [DP0988106] Funding Source: Australian Research Council
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The incorporation of highly luminescent coreshell quantum dots (QDs) within a metalorganic 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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