Preparation and properties of rare earth element doped calcium carbonate/polypropylene luminescence-tunable materials

被引：0

作者：

Li R. ^{[1
]}

Kang M. ^{[1
]}

Cheng Q. ^{[1
]}

Zhang L. ^{[1
]}

Mou Y. ^{[1
]}

Wang F. ^{[1
]}

Liu M. ^{[1
]}

Wei S. ^{[1
]}

Hang P. ^{[1
]}

Sun R. ^{[1
]}

机构：

[1] Southwest University of Science and Technology, State Key Laboratory Cultivation Base for Nonmetal Composites and Functional Materials, Mianyang, 621010, Sichuan

来源：

Kuei Suan Jen Hsueh Pao/Journal of the Chinese Ceramic Society | 2016年 / 44卷 / 05期

关键词：

Calcium carbonate; Phosphors; Polypropylene; Rare earth; Tunable materials;

D O I：

10.14062/j.issn.0454-5648.2016.05.18

中图分类号：

学科分类号：

摘要：

CaCO3:RE3+(RE=Eu, Tb, Ce) phosphors were synthesized via a microwave co-precipitation method. The luminescence-tunable composite of CaCO3:RE3+/PP (polypropylene) was prepared by a melt blending method. The photoluminescence and mechanical properties of the composites were characterized by photoluminescence excitation and emission spectroscopy, chromaticity coordinates, scanning electronic microscopy and X-ray powder diffraction, respectively. The results show that the phosphors have a good compatibility with PP. When 5% (in mass fraction) CaCO3:RE3+ is incorporated into PP, the mechanical and photoluminescence properties of composite are preferable. In addition, CaCO3:Eu3+/PP emits a red color, CaCO3:Tb3+/PP emits a green color and CaCO3:Ce3+/PP emits a purple color under the ultraviolet light, and the emitting color of composites can be shifted among red, green and purple region by altering the ratio of phosphors or excitation wavelength. © 2016, Editorial Department of Journal of the Chinese Ceramic Society. All right reserved.

引用

页码：740 / 747

页数：7

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