Abstract
Due to the wide potential application in the fields of sensing, lighting materials, and optical–electrical multifunctional devices, rare earth complex hybrid materials have been studied extensively over the past decades. A poly(ionic liquid)/mesoporous-based hybrid system which has been functionalized by the covalently linked europium complexes was reported here. Through surface modification with a coupling agent bearing an vinyl group, MCM-41 was chosen as the carrier matrix for poly(ionic liquids) (PILs) and europium compounds, and based on that, novel luminescent hybrid materials were prepared by confining the ionic liquid and europium complexes into the inorganic Si–O frameworks. The resulting organic/inorganic materials are chemically bonded hybrids which show good photoluminescent properties such as broad excitation spectra, line-like emission spectra, and long luminescence lifetimes. The PILs/MCM-41/Eu3+ hybrid reported here is a rare earth multifunctional material which is believed to have potential applications in the field of optical–electrical materials.
Highlights
Because of their intense line-like luminesce emission and long lifetime, lanthanide complexes have been found to have diverse chemical and biological applications, such as light-emitting devices, luminescent optical fibers, fluorescent probes, and so on [1,2,3]
Since the ionic liquid was used for synthesizing lanthanide hybrid luminescent materials [14,15], many works have been focused on the using of poly(ionic liquids) (PILs) for lanthanide hybrid materials
Li [17] has reported the using of a bifunctional ionic liquid which carries a benzoic acid group and which acts as a matrix and second ligand simultaneously for preparing novel lanthanide complex functionalized hybrid PILs
Summary
Because of their intense line-like luminesce emission and long lifetime, lanthanide complexes have been found to have diverse chemical and biological applications, such as light-emitting devices, luminescent optical fibers, fluorescent probes, and so on [1,2,3]. The important matrices for constructing luminescent lanthanide complex hybrid materials mainly include organic polymers [9], inorganic silica [10], inorganic zeolite [11], or inorganic–organic hybrid matrices and so on [12]. Since the ionic liquid was used for synthesizing lanthanide hybrid luminescent materials [14,15], many works have been focused on the using of PILs for lanthanide hybrid materials. Li [17] has reported the using of a bifunctional ionic liquid which carries a benzoic acid group and which acts as a matrix and second ligand simultaneously for preparing novel lanthanide complex functionalized hybrid PILs. The optical active hybrid materials based on PILs and inorganic matrices could
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