Thermoluminescence of Persistent Luminescent Materials

Abstract:

Persistent luminescence as well as Thermoluminescence (TL), both the phenomena are nothing but long-period afterglow having lifetime (τ) in the broad range of few minutes to few days. Therefore, it is nothing but natural that all persistent luminescent materials exhibit excellent thermoluminescence. This review critically discusses the data available in literature and provides a commentary on the trap-spectroscopy of persistent luminescent materials as a whole with special emphasis to commercial materials that have found wide applications in safety signage, road sign display as well as sensors for structural damage and in vivo medical imaging. Finally, it also provides some “thumb-rules” to eliminate few fatal misconceptions that have crept into the literature

• Periodical: Defect and Diffusion Forum (Volume 357)
• Pages: 171-191
• DOI: https://doi.org/10.4028/www.scientific.net/DDF.357.171
• Online since: July 2014
• Authors: R.K. Gartia*, Ngangbam Chandrasekhar
• Keywords: Lifetime (τ), Persistent Luminescence, Phosphor, Thermoluminescence, Trap-Depth

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