Materials, Photonic Devices, and Sensors

Preparation and characterization of SrS : Eu2+0.02, Dy3+0.01/polyvinyl butyral composites

[+] Author Affiliations
Yu Fu, Zhiqiang Wang, Jingjing Zhang, Shuwen Jiang, Hai Lin

Dalian Polytechnic University, School of Textile and Materials Engineering, Dalian, China

Opt. Eng. 56(6), 067111 (Jun 23, 2017). doi:10.1117/1.OE.56.6.067111
History: Received March 8, 2017; Accepted May 30, 2017
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Abstract.  The SrS:Eu0.022+, Dy0.013+ phosphors modified with stearic acid (SA) were compounded with the polyvinyl butyral (PVB) matrix to improve its chemical stability and luminescence properties. The structure and luminescence properties of modified and unmodified SrS:Eu0.022+, Dy0.013+ and SrS:Eu0.022+, Dy0.013+/PVB composites were studied. The results of x-ray diffraction showed that the crystalline of the modified SrS:Eu0.022+, Dy0.013+ phosphors (SrS:Eu0.022+, Dy0.013+-SA) has almost no change compared with SrS:Eu0.022+, Dy0.013+ phosphors. The infrared spectra indicated that the SA molecules were anchored onto the surface of the phosphors and SrOCO bonds were formed. Microstructure of the samples was characterized by scanning electron microscopy. The investigation of fluorescence spectra reflected that the emission peak position of SrS:Eu0.022+, Dy0.013+/PVB composites appeared at 611 nm with no migration, whereas the luminescence intensity increased. The results of water-resistant tests proved that SrS:Eu0.022+, Dy0.013+/PVB materials had better chemical stability than SrS:Eu0.022+, Dy0.013+ phosphors.

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© 2017 Society of Photo-Optical Instrumentation Engineers

Citation

Yu Fu ; Zhiqiang Wang ; Jingjing Zhang ; Shuwen Jiang and Hai Lin
"Preparation and characterization of SrS : Eu2+0.02, Dy3+0.01/polyvinyl butyral composites", Opt. Eng. 56(6), 067111 (Jun 23, 2017). ; http://dx.doi.org/10.1117/1.OE.56.6.067111


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