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Eu $^{3 +}$ /Tb $^{3 +}$ Co-Doped Cerium Oxide Transparent Nanocomposite for Color-Tunable Emission

College of Physics and Energy, Fujian Normal University, Fujian 350117, P. R. China

Organic Optoelectronics Engineering Research Center of Fujian’s Universities, College of Electronics and Information Science, Fujian Jiangxia University, Fuzhou, Fujian 350108, P. R. China

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Yunlong Yu

Organic Optoelectronics Engineering Research Center of Fujian’s Universities, College of Electronics and Information Science, Fujian Jiangxia University, Fuzhou, Fujian 350108, P. R. China

E-mail Address: ylyu@fjjxu.edu.cn

Corresponding authors.

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Xiangfeng Guan

Organic Optoelectronics Engineering Research Center of Fujian’s Universities, College of Electronics and Information Science, Fujian Jiangxia University, Fuzhou, Fujian 350108, P. R. China

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Peihui Luo

Organic Optoelectronics Engineering Research Center of Fujian’s Universities, College of Electronics and Information Science, Fujian Jiangxia University, Fuzhou, Fujian 350108, P. R. China

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Linqin Jiang

College of Physics and Energy, Fujian Normal University, Fujian 350117, P. R. China

Organic Optoelectronics Engineering Research Center of Fujian’s Universities, College of Electronics and Information Science, Fujian Jiangxia University, Fuzhou, Fujian 350108, P. R. China

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Zhiqiang Zheng

College of Physics and Energy, Fujian Normal University, Fujian 350117, P. R. China

E-mail Address: zqzheng@fjnu.edu.cn

Corresponding authors.

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, and

Dagui Chen

Organic Optoelectronics Engineering Research Center of Fujian’s Universities, College of Electronics and Information Science, Fujian Jiangxia University, Fuzhou, Fujian 350108, P. R. China

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https://doi.org/10.1142/S1793292018501199Cited by:1 (Source: Crossref)

Abstract

Eu $^{3 +}$ /Tb $^{3 +}$ co-doped nanocomposite containing CeO₂ nanocrystals was successfully prepared by an in situ sol–gel polymerization approach. High-resolution transmission electron microscopy demonstrated the homogeneous precipitation of CeO₂ nanocrystals among the polymethylmethacrylate (PMMA) matrix. The thermal stability and UV-shielding capability of the obtained nanocomposite were improved with increase of CeO₂ content. The tuning of the emissive color from green and yellow to red can be easily achieved by varying the dopant species and concentration. These results suggested that the obtained nanocomposite could be potentially applicable in transparent solid-state luminescent devices.

Keywords:

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