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Title: A Flexible Photoactive Titanium Metal–Organic Framework Based on a [TiIV3(μ3-O)(O)2(COO)6] Cluster
Authors: Bueken, Bart ×
Vermoortele, Frederik
Vanpoucke, D. E. P.
Reinsch, Helge
Tsou, C.-C #
Valvekens, Pieterjan
De Baerdemaeker, Trees #
Ameloot, Rob
Kirschhock, Christine #
Van Speybroeck, V. #
Mayer, J. M. #
De Vos, Dirk #
Issue Date: 25-Sep-2015
Publisher: Verlag Chemie
Series Title: Angewandte Chemie vol:54 issue:47 pages:13912-13917
Abstract: The synthesis of titanium–carboxylate metal–organic frameworks (MOFs) is hampered by the high reactivity of the commonly employed alkoxide precursors. Herein, we present an innovative approach to titanium-based MOFs by the use of titanocene dichloride to synthesize COK-69, the first breathing Ti MOF, which is built up from trans-1,4-cyclohexanedicarboxylate linkers and an unprecedented [TiIV3(μ3-O)(O)2(COO)6] cluster. The photoactive properties of COK-69 were investigated in depth by proton-coupled electron-transfer experiments, which revealed that up to one TiIV center per cluster can be photoreduced to TiIII while preserving the structural integrity of the framework. The electronic structure of COK-69 was determined by molecular modeling, and a band gap of 3.77 eV was found.
ISSN: 0044-8249
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Centre for Surface Chemistry and Catalysis
× corresponding author
# (joint) last author

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