Issue 20, 2004

Electronic and vibrational properties of a MOF-5 metal–organic framework: ZnO quantum dot behaviour

Abstract

UV–Vis DRS and photoluminescence (PL) spectroscopy, combined with excitation selective Raman spectroscopy, allow us to understand the main optical and vibrational properties of a metal–organic MOF-5 framework. A O2−Zn2+ → OZn+ ligand to metal charge transfer transition (LMCT) at 350 nm, testifies that the Zn4O13 cluster behaves as a ZnO quantum dot (QD). The organic part acts as a photon antenna able to efficiently transfer the energy to the inorganic ZnO-like QD part, where an intense emission at 525 nm occurs.

Graphical abstract: Electronic and vibrational properties of a MOF-5 metal–organic framework: ZnO quantum dot behaviour

Article information

Article type
Communication
Submitted
13 mai 2004
Accepted
27 juil. 2004
First published
01 sept. 2004

Chem. Commun., 2004, 2300-2301

Electronic and vibrational properties of a MOF-5 metal–organic framework: ZnO quantum dot behaviour

S. Bordiga, C. Lamberti, G. Ricchiardi, L. Regli, F. Bonino, A. Damin, K.-P. Lillerud, M. Bjorgen and A. Zecchina, Chem. Commun., 2004, 2300 DOI: 10.1039/B407246D

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