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Citation: LI Pan-Lai, YANG Zhi-Ping, WANG Zhi-Jun, XIONG Zhi-Jun, GUO Qing-Lin. Preparation and Spectrum Characteristics of Sr₂SiO₄:Eu³⁺ Phosphor[J]. Acta Physico-Chimica Sinica, ;2008, 24(01): 179-182. doi: 10.3866/PKU.WHXB20080133 shu

Preparation and Spectrum Characteristics of Sr₂SiO₄:Eu³⁺ Phosphor

1.
College of Physics Science and Technology, Hebei University, Baoding 071002, Hebei Province, P. R. China

Received Date: 26 August 2007
Available Online: 15 November 2007

The Sr2SiO4:Eu3+ phosphor was synthesized by sol-gel method. The excitation and emission spectra were investigated. The emission spectrum of Sr2SiO4:Eu3+ showed several bands, and the main peak value was 618 nm. The excitation spectrumfor 618 nm emission had several excitation bands at 320, 397, 464, and 518 nm. The effect of Eu3+ concentration on the emission spectrum intensity of Sr2SiO4:Eu3+ was investigated, and the results showed that the emission spectrumintensity increased with increasing Eu3+ concentration, and reached the maximumvalue at 7%(x) Eu3+, then decreased. Under the condition of doping 7% Eu3 +, the effect of Li + concentration on the emission spectrum intensity of Sr2SiO4:Eu3+ was studied, and the emission spectrum intensity increased with increasing Li+ concentration, and reached the maximumvalue at 8%(x) Li+, then decreased.
- White LED; Sr2SiO4:Eu3+; Emission spectrum; Excitation spectrum; Li+
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Preparation and Spectrum Characteristics of Sr2SiO4:Eu3+ Phosphor

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通讯作者: 陈斌, bchen63@163.com

Preparation and Spectrum Characteristics of Sr₂SiO₄:Eu³⁺ Phosphor