Citation: Hong-Xiang Huang, Wen-Li He, Xiang-Hai Sheng, Wen-Jie Wu. Fabrication and luminescent properties of Eu(BMPPA)₃BPy complex and its functionalized silica nanocomposites[J]. Chinese Chemical Letters, ;2016, 27(10): 1602-1606. doi: 10.1016/j.cclet.2016.03.031 shu

Fabrication and luminescent properties of Eu(BMPPA)₃BPy complex and its functionalized silica nanocomposites

a.
Department of Macromolecular Science and State Key Laboratory of Molecular Engineering of Polymers, Shanghai 200433, China
b.
Department of Chemistry, Fudan University, Shanghai 200433, China

Corresponding author: Hong-Xiang Huang, hxhuang@fudan.edu.cn
Received Date: 5 January 2016
Revised Date: 12 March 2016
Accepted Date: 17 March 2016
Available Online: 24 October 2016

Figures(6)

Luminescent silica nanocomposites functionalized with a Eu-complex have been prepared and characterized.The europium complex is composed of 2,2'-bipyridyl (BPy) and 2-(4-bromomethyl)-phenylpropionic acid (BMPPA),which contains highly active benzyl bromide substituents and can covalently bind with poly (4-vinylpyridine)(P4VP)-modified silica nanoparticles (nanoSiO₂P4VP) to form nanoSiO₂P4VPEuBPy composites.Microscopic images revealed that the nanoSiO₂P4VPEuBPy composites easily formed aggregates,due to an inter-particle binding caused by the benzyl bromide among the composites.The as-prepared nanocomposites showed the typical emissions of Eu (III) ions at the wavelengths from 580 nm to 750 nm designated to the ⁵D₀→⁷F_n transitions.Time-resolved fluorescence decay measurements revealed that the emission lifetime was approximately 0.204 ms and 0.576 ms for the nanoSiO₂EuBPy composites,a little shorter than that in the Eu (BMPPA)₃BPy complex.
- Eu-complex,
- Nanocomposites,
- Silica nanoparticles,
- Fluorescence
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Fabrication and luminescent properties of Eu(BMPPA)3BPy complex and its functionalized silica nanocomposites

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通讯作者: 陈斌, bchen63@163.com

Fabrication and luminescent properties of Eu(BMPPA)₃BPy complex and its functionalized silica nanocomposites