Surface-Anchored MOF-Based Photonic Antennae

• Published in: Chemphyschem Vol. 13; no. 11; pp. 2699 - 2702
• Main Authors: Streit, Huayna Cerqueira, Adlung, Matthias, Shekhah, Osama, Stammer, Xia, Arslan, Hasan Kemal, Zybaylo, Olexandra, Ladnorg, Tatjana, Gliemann, Hartmut, Franzreb, Matthias, Wöll, Christof, Wickleder, Claudia
• Format: Journal Article
• Language: English
• Published: Weinheim WILEY-VCH Verlag 06.08.2012; WILEY‐VCH Verlag; Wiley
• Subjects: Chemistry; energy transfer; europium complexes; Exact sciences and technology; General and physical chemistry; luminescence; photonic antennae; Surface physical chemistry; surface-anchored metal-organic frameworks; Metal organic framework; photonic antenna; europium complexes; Rare earth metal complex; Luminescence; Organic ligand; Europium complex; Energy transfer; surface-anchored metalorganic frameworks
• ISSN: 1439-4235; 1439-7641
• DOI: 10.1002/cphc.201200262

The loading of a metal‐organic framework (MOF), [Cu3(btc)2xH2O] HKUST‐1, with europium β‐diketonate complexes is studied with the goal to using the porous molecular framework as a photonic antenna. Whereas loading of HKUST‐1 powder particles produced via the conventional solvothermal synthesis method was strongly hindered, for HKUST‐1 SURMOFs, thin MOF films fabricated using the liquid phase epitaxy method, a high filling factor can be achieved. The optical properties of the HKUST‐1‐MOFs before and after loading were analysed with the aid of luminescence spectroscopy. Careful analysis of the absorption spectra reveals the presence of an effective energy transfer between the HKUST‐1 framework and the Eu3+ centers. The optical properties of HKUST‐1 MOFs before and after loading a Eu3+ complex are analysed with the aid of luminescence spectroscopy (see graphic). The presence of an effective energy transfer between the HKUST‐1 framework and the Eu3+ centers was found as is described herein.