Composites from luminescent nanosized ZnS and optical polymer

被引：8
|
作者：
Matras-Postolek, K. [1 ,2 ]
Bredol, M. [2 ]
Szatkowski, A. [2 ]
Sakhno, O. [3 ]
Stumpe, J. [3 ]
Bogdal, D. [1 ]
机构：
[1] Cracow Univ Technol, Krakow, Poland
[2] Munster Univ Appl Sci, Munster, Germany
[3] Inst Angewandte Polymerforsch Potsdam, Potsdam, Germany
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2008年 / 485卷
关键词：
nanocomposites; photoluminescence; polymer matrix; ZnS : Mn nanoparticles;
D O I：
10.1080/15421400801918062
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this work, transparent luminescent nanocomposites were obtained using manganese - doped ZnS nanoparticles with crystallite sizes of about 10nm, dispersed in the monomer isobornyl acrylate (IBOA). Suited nanocrystals of Mn2+ -doped ZnS have been prepared by arrested precipitation in the presence of capping agents like cysteamine, combined with hydrophobization. Transparent ZnS: Mn/PIBOA nanocomposites were subsequently prepared via in situ polymerization. Nanocomposites were produced by adding different percentages of nanoparticles up to 30% by weight. The structural properties of the ZnS:Mn nanoparticles were studied in detail using X-ray diffractometer (XRD), Fourier transform IR spectrometer (FT-IR), spectroscopy (UV-VIS) and dynamic light scattering (DLS). The X-ray diffraction pattern exhibited peaks corresponding to the cubic phase of ZnS. The emission spectrum (at 320 nm excitation) of the composites showed the same broad band as bulk ZnS:Mn, centered at 590 nm.
引用
收藏
页码：776 / 779
页数：4
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