Journal of Luminescence, volume 204, pages 573-580

Tuning red emission and photocatalytic properties of highly active ZnO nanosheets by Eu addition

Jinrui Li 1
Zhe Zhang 1
Jihui Lang 1
Jia-Ying Wang 1
Qi Zhang 1
Jingshu Wang 1
Qiang Han 1
Jinghai Yang 1
1
 
Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University,Siping 136000,PR China
Publication typeJournal Article
Publication date2018-12-01
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor3.6
ISSN00222313
General Chemistry
Biochemistry
Biophysics
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Abstract
Eu-doped ZnO nanosheets were synthesized via a facile and surfactant-free chemical solution deposition method. The detailed characterizations revealed that the as-synthesized samples were well-crystalline which assembled by nanosheets with 25 nm thickness. The Eu ions were successfully doped into the ZnO nanosheets, and the red emissions of Eu3+ ions attributed to the energy of 5D0→7F0, 5D0→7F1 and 5D0→7F2 4f–4f intrashell transitions were observed in PL spectra. The appropriate Eu doping would increase the separation efficiency of electron-hole pairs and promote the formation of the superoxide ions during the photolysis process, which eventually improved the photodegradation of Rhodamine B under UV light irradiation. And the photocatalytic degradation of RhB was also analyzed by a pseudo first order rate. A possible explanation for the modification of bandgap was given based on the modified effect of Eu3+ ions on the electronic structure of ZnO nanosheets, which mainly due to two mechanisms of Burstein-Moss effect and electron-ion/electron scattering.

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GOST Copy
Li J. et al. Tuning red emission and photocatalytic properties of highly active ZnO nanosheets by Eu addition // Journal of Luminescence. 2018. Vol. 204. pp. 573-580.
GOST all authors (up to 50) Copy
Li J., Zhang Z., Lang J., Wang J., Zhang Q., Wang J., Han Q., Yang J. Tuning red emission and photocatalytic properties of highly active ZnO nanosheets by Eu addition // Journal of Luminescence. 2018. Vol. 204. pp. 573-580.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.jlumin.2018.08.059
UR - https://doi.org/10.1016/j.jlumin.2018.08.059
TI - Tuning red emission and photocatalytic properties of highly active ZnO nanosheets by Eu addition
T2 - Journal of Luminescence
AU - Li, Jinrui
AU - Zhang, Zhe
AU - Lang, Jihui
AU - Wang, Jia-Ying
AU - Zhang, Qi
AU - Wang, Jingshu
AU - Han, Qiang
AU - Yang, Jinghai
PY - 2018
DA - 2018/12/01 00:00:00
PB - Elsevier
SP - 573-580
VL - 204
SN - 0022-2313
ER -
BibTex
Cite this
BibTex Copy
@article{2018_Li,
author = {Jinrui Li and Zhe Zhang and Jihui Lang and Jia-Ying Wang and Qi Zhang and Jingshu Wang and Qiang Han and Jinghai Yang},
title = {Tuning red emission and photocatalytic properties of highly active ZnO nanosheets by Eu addition},
journal = {Journal of Luminescence},
year = {2018},
volume = {204},
publisher = {Elsevier},
month = {dec},
url = {https://doi.org/10.1016/j.jlumin.2018.08.059},
pages = {573--580},
doi = {10.1016/j.jlumin.2018.08.059}
}
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