Synthesis, optical properties and energy transfer in ZnO nanocrystals co-doped with Ce3+ and Tb3+ ions

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Authors

  • Nguyen Thi Minh Thuy Thai Nguyen University of Education
  • Nguyen Thanh Binh Thai Nguyen University of Education
  • Dang Thi Huong Thai Nguyen University of Education
  • Ngo Tuan Ngoc Thai Nguyen University of Education
  • Nguen Xuan Ca Thai Nguyen University of Science
  • Nguyen Thi Hien Thai Nguyen University of Science
  • Pham Minh Tan (Corresponding Author) Thai Nguyen University of Technology

DOI:

https://doi.org/10.54939/1859-1043.j.mst.84.2022.101-108

Keywords:

ZnO; Ce3 and Tb3 ions; Doped; Optical properties; Energy transfer.

Abstract

ZnO nanocrystals (NCs) co-doped with Ce3+ and Tb3+ ions were successfully synthesized by Sol-Gel method. The presence and content of elements in the sample were determined through energy dispersive spectroscopy (EDX). The structure, crystal size of ZnO NCs co-doped with rare earth ions (RE) were investigated by using X-ray diffraction (XRD). The optical properties of ZnO NCs co-doped with Ce3+ and Tb3+ ions were investigated through excitation and fluorescence spectroscopy. The energy transfer process from Ce3+ ions to Tb3+ ions has been studied and explained in detail. The ZnO NCs co-doped with Ce3+ and Tb3+ ions are completely non-toxic and can can be controlled the optical properties by varying the Tb concentration. The results of this study show many possible applications of the material in the fields of lighting and biomarkers.

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Published

28-12-2022

How to Cite

Nguyễn Thị Minh Thủy, Nguyễn Thanh Bình, Đặng Thị Hương, Ngô Tuấn Ngọc, Nguyễn Xuân Ca, Nguyễn Thị Hiền, and M. T. Phạm. “Synthesis, Optical Properties and Energy Transfer in ZnO Nanocrystals Co-Doped With Ce3+ and Tb3+ Ions”. Journal of Military Science and Technology, no. 84, Dec. 2022, pp. 101-8, doi:10.54939/1859-1043.j.mst.84.2022.101-108.

Issue

No. 84 (2022)

Section

Research Articles