Synthesis, characterizations and investigation of thermoluminescence properties of strontium pyrophosphate doped with metals

• Sr2P2O7 doped with different amounts of Cu, Mn, Ag, In and Pr oxides.
• Effect of metal content on glow curves of Sr2P2O7 were studied for the first time.
• Glow curves showed that intensities were affected by different amounts of dopants.
• Doping with 7% MnO and 1% Pr6O11 had the most powerful peak intensity at 160 °C.

Strontium pyrophosphate, Sr2P2O7, was synthesized by solid-state synthesis method; the product was co-doped with copper-silver (Cu–Ag), copper-indium (Cu–In) and manganese-praseodymium (Mn–Pr) oxides (CuO, MnO, In2O3, Pr6O11 and AgNO3) by solid-state reaction method. The variation of dopant concentrations was investigated from 0.5 to 15% by weight. In addition to these processes, chemical characterizations of samples and the investigation of thermoluminescence (TLD) properties of strontium pyrophosphate with and without dopants were conducted. For the characterization; powder X-ray Diffraction (XRD) were implemented for phase purity of samples. Fourier Transform Infrared Spectroscopy (FTIR) was used to determine whether the bond structures were affected from the doping or not. Thermoluminescence (TLD) analyses were conducted on strontium pyrophosphate doped with different amounts of dopants for the first time. Glow curves showed that intensities were affected by different amounts of dopants. It can be concluded from that strontium pyrophosphate doped with 7% MnO and 1% Pr6O11 had the most powerful peak intensity around 160 °C and dosimetric property for promising application.