Enhanced Emission of Tellurite Glass Doped with Pr3+/Ho3+ and Their Applications-Reference-Cited by-同舟云学术

Enhanced Emission of Tellurite Glass Doped with Pr3+/Ho3+ and Their Applications

Published:2023-01-18 Issue:3 Volume:16 Page:925
ISSN:1996-1944
Container-title:Materials
language:en
Short-container-title:Materials

Author:

Burtan-Gwizdala Bozena¹^ORCID,Reben Manuela²^ORCID,Cisowski Jan¹,Lisiecki Radosław³^ORCID,Jarząbek Bożena⁴^ORCID,Alshehri Ali⁵,Hussein Khalid I.⁶⁷⁸^ORCID,Yousef El Sayed⁵⁷

Affiliation:

1. Institute of Physics, Cracow University of Technology, ul. Podchorazych 1, 30-084 Cracow, Poland

2. Faculty of Materials Science and Ceramics, AGH–University of Science and Technology, al. Mickiewicza 30, 30-059 Cracow, Poland

3. Institute of Low Temperatures and Structure Research, Polish Academy of Sciences, ul. Okolna 2, 50-950 Wroclaw, Poland

4. Centre of Polymer and Carbon Materials, Polish Academy of Sciences, ul. Sklodowskiej-Curie 34, 41-819 Zabrze, Poland

5. Physics Department, Faculty of Science, King Khalid University, Abha 61413, Saudi Arabia

6. Department of Radiological Sciences, College of Applied Medical Sciences, King Khalid University, Abha 61421, Saudi Arabia

7. Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha 61413, Saudi Arabia

8. Department of Medical Physics and Instrumentation, National Cancer Institute, University of Gezira, Wad Medani 2667, Sudan

Abstract

The shielding and spectroscopic properties of Pr+3 and Pr3+/Ho3+-codoped tellurite glass were investigated. The intensity parameters (Ω2 = 3.24-, Ω4 = 1.64-, Ω6 = 1.10 × 10−20 cm2) as well as the radiative lifetimes of 3F4 + 5S2 and 5I6 excited states of Ho3+ ions were equal to 301 μs and 3.0 μs, respectively. The former value appears to be much higher than that obtained from the lifetime measurement, indicating the presence of various energy transfer processes. The NIR spectrum of Pr3+/Ho3+-co-doped tellurite glass is dominated by strong Ho3+: 5I6 emission at around 1200 nm, being the result of the energy transfer from Pr3+ to Ho3+ ions. The shielding effectiveness of the prepared glasses showed good performance against high-energy photons. These findings suggest that the prepared glasses could be used in laser technology such as photodynamic therapy (PDT) treatment procedures and as shielding for radiation protection.

Funder

Deputyship for Research & Innovation, Ministry of Education, Saudi Arabia

Publisher

MDPI AG

Subject

General Materials Science

Link

https://www.mdpi.com/1996-1944/16/3/925/pdf

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