Synthesis and optical properties of europium pentafluoropropionate 1,10-phenanthroline complex and its silica glass

doi:10.1007/s12200-011-0179-0

Front Optoelec Chin

2011, Vol. 4

Issue (4) : 382-386 https://doi.org/10.1007/s12200-011-0179-0

RESEARCH ARTICLE

Synthesis and optical properties of europium pentafluoropropionate 1,10-phenanthroline complex and its silica glass

Jiangbo SHE¹, Dongdong LI²(

)

1. State Key Laboratory of Transient Optics and Photonics, Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences (CAS), Xi’an 710119, China; 2. Department of Electronic and Information Engineering, Xi’an Institute of Post & Telecommunications, Xi’an 710121, China

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Abstract

Europium pentafluoropropionate 1,10-phenanthroline complex, Eu(C₂F₅COO)₃·Phen (Phen= 1,10-phenanthroline), were synthesized and characterized by elemental analysis, Fourier transform infrared spectroscopy (FT-IR), photoluminescence (PL) spectroscopy and thermogravimetric analysis (TA). At the same time, its silica glass was synthesized by in situ processes. The excitation spectra of the complex demonstrate that the energy collected by “antenna ligands” was transferred to Eu³⁺ ions efficiently. The room-temperature PL spectra of the complexes are composed of the typical Eu³⁺ ions red emission, due to transitions between ⁵D₀→⁷F_{J(J = 0→4)}. The decomposition temperature of the complex was 290°C, which indicates the host complex is quite stable to heat. Then the affection of anneal temperatures on PL properties of SiO₂ glass were studied. The PL intensity of the SiO₂ glass annealed at 160°C was higher than other annealed temperatures for 24 h in air.

Keywords organometallic complex silica glass luminescent property

Corresponding Author(s): LI Dongdong,Email:dongdong19821111@163.com

Issue Date: 05 December 2011

Cite this article:

Jiangbo SHE,Dongdong LI. Synthesis and optical properties of europium pentafluoropropionate 1,10-phenanthroline complex and its silica glass[J]. Front Optoelec Chin, 2011, 4(4): 382-386.

URL:

https://academic.hep.com.cn/foe/EN/10.1007/s12200-011-0179-0
https://academic.hep.com.cn/foe/EN/Y2011/V4/I4/382

Fig.1 TGA and DTA curves of the complex

Fig.2 Room temperature excitation spectra ( = 612 nm) of the complex (solid line) and the silica glass (dash line)

Fig.3 Room temperature emission spectra ( = 329 nm) of Eu(CFCOO)·Phen. Inset is the decay curve monitored at 612 nm

Tab.1 Judd–Ofelt parameters (), radiative () and nonradiative decay rate (), D lifetime (), quantum yield () for europium doped materials

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