Tunable, Ligand-Based Emission from Inorganic−Organic Frameworks: A New Approach to Phosphors for Solid State Lighting and Other Applications
Source abstract
Abstract
Two dense inorganic−organic frameworks were prepared using the intrinsically luminescent organic ligand 9-fluorenone-2,7-dicarboxylic acid (H 2 FDC) in combination with the alkaline earth metals calcium and strontium. Ca(FDC)(H 2 O) 2 ( 1 ) and Sr(FDC)(H 2 O) 5 ·2H 2 O ( 2 ) were prepared hydrothermally and both adopt three-dimensional framework structures. They absorb strongly between 380 and 460 nm and show broad visible emission with peaks at 503 and 526 nm, respectively. Structure 1 shows a quantum yield at room temperature of 7.8% which increases to 15% at −196 °C, while structure 2 shows a room temperature quantum yield of 2.8%, increasing to 3.3% at −196 °C.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Metal-Organic Frameworks: Synthesis and Applications · Lanthanide and Transition Metal Complexes · Luminescence Properties of Advanced Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Materials Science and Metallurgy, University of Cambridge, United Kingdom CB2 3QZ
Mitsubishi Chemical Center for Advanced Materials, University of California, Santa Barbara, California 93106
Advanced Light Source, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Mail Stop 2-400, Berkeley, California 94720
ChemistryDepartment, University of California, Santa Barbara, California 93106
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