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Updated: Feb 12, 2026

Absolute Quantum Yield Measurement of Powder Samples
Published on: May 12, 2012
Lanthanide-based near-infrared emitting metal-organic frameworks with tunable excitation wavelengths and high quantum
Tu N Nguyen1, Gloria Capano, Andrzej Gładysiak
1Laboratory of Molecular Simulation (LSMO), Institut des Sciences et Ingénierie Chimiques (ISIC), Ecole Polytechnique Fédérale de Lausanne (EPFL Valais), Rue de l'Industrie 17, 1951 Sion, Switzerland. kyriakos.stylianou@epfl.ch.
Abstract:
We report here two isoreticular ytterbium (Yb) 2D metal-organic frameworks (MOFs) emitting near-infrared (NIR) luminescence with 1.26(2)% quantum yield values, which are among the highest values reported to date for MOFs incorporating NIR-emitting lanthanide cations. The excitation wavelength of the YbIII MOFs can be red-shifted to the visible range by introducing an amino group to the organic chromophore. Density functional theory (DFT) calculations were performed to gain insights into the photophysical properties of this new family of MOFs.
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