Intrinsic Green Phosphor Containing a {Y5O22} Pentamer Unit and a Carbonate Ligand Generated In Situ from Squaric Acid

Intrinsic Green Phosphor Containing a {Y5O22} Pentamer Unit and a Carbonate Ligand Generated In Situ from Squaric Acid

An unexpected green phosphor! The promising activator‐free yttrium metal–organic framework (MOF) [Y5(OH)6(HCO2)3(CO3)2‐(C4O4)] ⋅2.5 H2O consists of unique {Y5O22} pentamers and four types of ligands, the carbonate group of which was unprecedentedly in situ generated from squaric acid. This pure yttr...

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Veröffentlicht in:Chemistry : a European journal 2012-07, Vol.18 (28), p.8614-8616
Hauptverfasser: Huang, Yu-Ting, Lai, Yi-Chun, Wang, Sue-Lein
Format: Artikel
Sprache:eng
Schlagworte:
Carbonates
Chemistry
Displays
Doping
green phosphor
Lattices
ligand effects
Ligands
metal-organic frameworks
Metalorganic compounds
Phosphors
Yttrium
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Zusammenfassung:An unexpected green phosphor! The promising activator‐free yttrium metal–organic framework (MOF) [Y5(OH)6(HCO2)3(CO3)2‐(C4O4)] ⋅2.5 H2O consists of unique {Y5O22} pentamers and four types of ligands, the carbonate group of which was unprecedentedly in situ generated from squaric acid. This pure yttrium–MOF compound displays intrinsic green light and has proven to be the first hybrid‐yttrium‐host lattice to achieve near‐white‐light solely through Eu3+ doping (see figure).
ISSN:0947-6539
1521-3765
DOI:10.1002/chem.201200509