Laser & Optoelectronics Progress, Volume. 58, Issue 15, 1516006(2021)

Progress in Thermoluminescence Spectroscopy for Characterization of Trap Distribution in Persistent Luminescence Materials

Cong Zhang, Di Yang, Kang Shao, and Zaifa Pan*
Author Affiliations
  • College of Chemical Engineering, Zhejiang University of Technology, Hangzhou , Zhejiang 310014, China
  • show less
    Figures & Tables(11)
    Energy band model of one trap energy level and one luminescence center[38]
    Influences of different kinetic processes [the first order kinetics (b=1), the second order kinetics (b=2), and the general kinetics (b=1.5)] on shape of TL peak[46]
    TL peak location and trap depth of CaMgSi2O6∶Mn2+,Ln3+(Ln=Dy, Pr, Ce, Nd). (a) Normalized TL curves; (b) diagram of energy level relative position in gaps of CaMgSi2O6∶Mn2+,Ln3+ for different rare earth ions[12]
    TL curves with different heating rates and trap depth analysis[16]. (a) SSON∶Eu; (b) SSON∶Eu,Ce; (c) SSON∶Eu,Nd; (d) SSON∶Eu, Dy; (e) plots of InTm2β~1Tm
    Trap analysis of CaS∶Eu2+,Sm3+[20]. (a) Analysis of TL curves by peak shape method; (b) photostimulated excitation spectrum of CaS∶Eu2+,Sm3+
    Diagrams of initial rise method[58]. (a) Selection of initial rise part; (b) Arrhenius plot of ln(I) and 1/T
    Fitted results of TL curves of Ba2SiO4∶Dy3+ obtained by computer fitting method (FOM∶1.6)[25]
    Process of trap depth-density distribution analysis[59]. (a) Schematic of trap depth distribution as a function of excitation temperature Texc; (b) TL curves under different excitation temperatures Texc; (c) density of trap at a certain depth estimated according to difference of TL integral intensities at two different excitation temperatures; (d) depth-density distribution of trap
    Analysis method of depth-density-time[13]. (a) TL curves for different delay time; (b) trap depth-density-action time distribution
    Thermal quenching curves of SrAl2O4∶Eu,Dy and TL curves before and after correction[60]
    • Table 1. Calculated trap depths of persistent luminescence materials by different analysis methods of PL curve

      View table

      Table 1. Calculated trap depths of persistent luminescence materials by different analysis methods of PL curve

      MethodPhosphorTL peak /KTrap depth /eVRef. No
      Peak position methodCaMgSi2O6∶Mn2+, Pr3+3500.7012
      Ba2SiO4∶Eu2+,Ho3+355‒3800.71‒0.7613
      Zn1.1Ga1.8Si0.1O4∶Cr3+355, 4170.71, 0.8314
      Y3Sc1.95Ga3O12∶0.05Cr3+3600.7215
      Heating rate methodSrSi2N2O2∶Eu2+,Dy3+375‒4001.0416
      BaSi2O5∶Eu2+,Nd3+450‒5000.9417
      YPO4∶Tb3+,Sm3+-1.5418
      Peak shape methodCaZnOS193,2930.17, 0.5819
      CaS∶Eu2+,Sm3+361, 442, 5180.47, 0.76, 1.0820
      BaSi2O5∶Eu2+,Nd3+4681.2917
      Initial rise methodSrAl2O4∶Eu2+,Dy3+-0.55, 0.60, 0.65, 0.7021
      CaAl2O4∶Eu2+,Nd3+-0.55, 0.6522
      NaLuGeO4∶Bi3+-0.53‒1.3723
      Y3Al2Ga3O12∶Ce3+,V3+-0.85‒1.2124
      Computerized curve fitting methodBa2SiO4410(peak 2)0.5525
      LiMgPO4489 (peak 3)0.8426
    Tools

    Get Citation

    Copy Citation Text

    Cong Zhang, Di Yang, Kang Shao, Zaifa Pan. Progress in Thermoluminescence Spectroscopy for Characterization of Trap Distribution in Persistent Luminescence Materials[J]. Laser & Optoelectronics Progress, 2021, 58(15): 1516006

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: Materials

    Received: Dec. 25, 2020

    Accepted: Jan. 28, 2021

    Published Online: Aug. 6, 2021

    The Author Email: Zaifa Pan (panzaifa@zjut.edu.cn)

    DOI:10.3788/LOP202158.1516006

    Topics