NDLI: The synthesis, photoluminescence and energy transfer mechanism of a reactive Eu(III)-complex intermediate of white light phosphor

Content Provider	Springer Nature Link
Author	Zhang, Aiqin Zhang, Jiuli Pan, Qiliang Jia, Husheng Xu, Bingshe
Copyright Year	2011
Abstract	A reactive Eu(III)-complex intermediate of white light phosphor was synthesized using benzoylactone, 1,10-phenanthroline and undecylenic acid as ligands. The structure of the complex was characterized by elemental analysis and FT-IR spectra. The luminescent properties were investigated by fluorescence spectra and UV–vis absorption spectra. The results indicate that the complex emitted the characteristic peaks of the Eu(III) ion when being excited at 367 nm, revealing that the complex can be excited by 365 nm of ultraviolet. The energy of the highest occupied molecular orbital and the lowest unoccupied molecular orbital as well as the singlet state and triplet state energy level of the ligands were calculated with the Gaussian03 program package. Intramolecular energy transfer mechanism was studied and an energy transfer diagram was sketched to illuminate the energy transfer process. The Eu(III)-copolymer was synthesized by the free radical copolymerization of the Eu(III)-complex and methyl methacrylate. XRD analysis indicates that the Eu(III)-complex in the copolymer was dispersed much more uniformly into the polymer matrix than that in the doped polymer. The photoluminescent properties of the Eu(III)-polymer suggest that the Eu(III)-complex is a good candidate of red light moiety in white light phosphor.
Starting Page	911
Ending Page	924
Page Count	14
File Format	PDF
ISSN	09226168
Journal	Research on Chemical Intermediates
Volume Number	38
Issue Number	3-5
e-ISSN	15685675
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-11-09
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Reactive Eu(III)-complex intermediate Luminescent properties Quantum chemistry calculation Energy transfer mechanism Catalysis Inorganic Chemistry Physical Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry

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