Photoluminescence and thermoluminescence dosimetry properties of Ag/Y co‐doped ZnO nanophosphor for radiation measurements

Author:

Abdurabu Thabit Hammam1,Ismail Abd Khamim1,Kabir Norlaili A.2,Abu Mhareb Mohammad Hasan34ORCID,Al Mutairi Abdulmajeed Muidh2,Bafaqeer Abdullah5,Alajerami Yasser6ORCID,Abualsayyed Mohammad Ibrahim78

Affiliation:

1. Department of Physics Universiti Teknologi Malaysia Johor Bahru Malaysia

2. School of Physics Universiti Sains Malaysia Penang Malaysia

3. Department of Physics, College of Science Imam Abdulrahman Bin Faisal University Dammam Saudi Arabia

4. Basic and Applied Scientific Research Center Imam Abdulrahman Bin Faisal University Dammam Saudi Arabia

5. Interdisciplinary Research Center for Refining and Advanced Chemicals King Fahd University of Petroleum and Minerals Dhahran Saudi Arabia

6. Department of Medical Radiography Al‐Azhar University Gaza Strip Palestine

7. Renewable Energy and Environmental Technology Center University of Tabuk Tabuk Saudi Arabia

8. Department of Physics, Faculty of Science Isra university Amman Jordan

Abstract

AbstractThis work explores the thermoluminescence (TL) and photoluminescence (PL) properties of Ag/Y co‐doped zinc oxide (ZnO) nanophosphor. The proposed dosimeter was prepared by the coprecipitation method and sintered at temperatures from 400°C to 1000°C in an air atmosphere. Raman spectroscopy was studied to investigate the structural features of this composition. The new proposed dosimeter revealed two peaks at 150°C and 175°C with a small shoulder at high temperature (225°C). The PL spectrum showed strong green emissions between 500 to 550 nm. The Raman spectrum showed many bands related to the interaction between ZnO, silver (Ag), and yttrium oxide (Y2O3). The rising sintering temperature enhanced the TL glow curve intensity. The Ag/Y co‐doped ZnO nanophosphor showed an excellent linearity index within a dose from 1 to 4 Gy. The minimum detectable dose (MDD) of the Ag/Y co‐doped ZnO nanopowder (pellets) equaled 0.518 mGy. The main TL properties were achieved in this work as follows: thermal fading (37% after 45 days at 1 and 4 Gy), optical fading (53% after 1 h and 68% after 6 h by exposure to sunlight), effective atomic number (27.6), and energy response (flat behavior from 0.1 to 1.3 MeV). Finally, the proposed material shows promising results nominated to be used for radiation measurements.

Funder

Research Management Centre, Universiti Teknologi Malaysia

Publisher

Wiley

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