Photo and electroluminescence properties of ZnS doped with Pr and (Cu,Pr) phosphors

Luminescence in Zinc Selenide Doped with Sn and (Sn, Dy) Phosphors

“…It is found that the intensity of the peak maxima changes due to the dopant concentration. [1,8,10,12] The observed PL spectra of these phosphors are similar to the EL spectra, although relative intensities are quite different as shown in Table 1. The El spectra are sharper than PL spectra.…”

“…Doubly activated ZnSe phosphors have been found to have good electroluminescence (EL) emission. [1][2][3][4][5][6][7]8,9,10,11,12] Rare earth ions are sought after as laser dopants in many phosphor lattices as well as their use in color television phosphors. Thermoluminescence (TL) is one of the thermally stimulated phenomena that offers a sensitive technique for determining the degree of the crystal's trap energy.…”

“…An important application of TL solid state dosimetry of ionizing radiation for the dating of archaeological and geological specimens. [13][14][15][16][17]18,19,[20][21][22]11,12] Zinc selenide doped with Sn and (Sn, Dy) has been researched due to its scientific and commercial significance. The present paper focuses on photoluminescence (PL), EL, and TL) studies of the synthesized ZnSe: Sn and ZnSe: (Sn, Dy) phosphors as fine crystalline powders.…”

“…The heating of the phosphors and loss of voltage across the electrodes of the EL cell may be responsible for the diminishing behavior of EL brightness at higher frequencies. [1,3,8,12]…”