Dependence of Luminescence Lifetimes on Measurement Temperature and Thermal Activation Energy from Quartz using a Time-Resolved Pulsing System

Authors

  • Solomon Akpore Uriri
    Department of Physics, Delta State University of Science and Technology, Ozoro, Nigeria
    https://orcid.org/0000-0001-9268-2640
  • Okeoghene Precious Anthony
    Department of Physics, Delta State University of Science and Technology, Ozoro, Nigeria
  • Nelson Omarijivwie Asano
    Department of Geology, Delta State University of Science and Technology, Ozoro, Nigeria

Keywords:

quartz, time-resolved luminescence, Temperature, thermal quenching, pulsing system

Abstract

Luminescence is the light emitted from previously irradiated materials when exposed to light of certain wavelength or temperature. One important technique of luminescence is time-resolved optical stimulation of luminescence (TR-OSL). This technique is well known for the study of luminescence from quartz, feldspar, carbon doped aluminium oxide, etc. These materials are of interest in dosimetry. Time resolved optical stimulation is carried out by separating in time the stimulation and emission of luminescence. The luminescence is obtained from the sample using a short pulse of light and the emission of the luminescence is monitored. Here, a new pulsing system based on light emitting diode is designed and is used to study the dependence of luminescence lifetimes on measurement temperature in quartz. The Luminescence lifetimes measured decreased with measurement temperature from 40.4 ± 0.9 µs at 20 0C to 14.8 ± 1.8 µs at 200 0C. The dependence of luminescence lifetimes on measurement temperature in quartz was due to thermal quenching at high temperature. Thermal quenching is the decrease of luminescence because of increased non-radiative transitions at high temperature. The activation energy of thermal quenching was also investigated. The value of the activation energy for thermal quenching for quartz was evaluated as 0.67 ± 0.05 eV.

Author Biographies

Solomon Akpore Uriri

Department of Physics / Senior Lecturer

Okeoghene Precious Anthony

Department of Physics/Asst. Lecturer

Nelson Omarijivwie Asano

Department of Geology

Dimensions

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Published

2024-12-31

How to Cite

Uriri, S. A., Anthony, O. P., & Asano, N. O. (2024). Dependence of Luminescence Lifetimes on Measurement Temperature and Thermal Activation Energy from Quartz using a Time-Resolved Pulsing System. Nigerian Journal of Physics, 33(4), 166-171. https://doi.org/10.62292/njp.v33i4.2024.336

Issue

Vol. 33 No. 4 (2024): Nigerian Journal of Physics - Vol. 33 No. 4

Section

Articles
Copyright & Licensing

How to Cite

Uriri, S. A., Anthony, O. P., & Asano, N. O. (2024). Dependence of Luminescence Lifetimes on Measurement Temperature and Thermal Activation Energy from Quartz using a Time-Resolved Pulsing System. Nigerian Journal of Physics, 33(4), 166-171. https://doi.org/10.62292/njp.v33i4.2024.336