Luminescent GeO2–Pb–Bi2O3 glasses co-doped with Tb3+1 and Eu3+: Excitation energy transfer and color chromaticity

White emitting phosphors based on glasses of the type 10AlF3–10TiO2–39PbO–30H3BO3–10SiO2–xEu2O3–(1−x)Tb2O3: An energy transfer study

“…Since both the bands have near the same half-width equal to 600 cm À 1 , the resonance could be very effective. This observation was confirmed by Garcia-Rosales et al [20] and Kukliński et al [19].…”

“…The energy transfer from Tb 3 þ to Eu 3 þ cannot take place when the Eu 3 þ is in the excited state. This is the second reason why the lines related to the 7 F 6 -5 D J o 3 , 5 L J transitions in Tb 3 þ in the excitation spectrum c are not observed [19]. The mono-exponential character of the decay profiles (Fig.…”

Tunable luminescence and temperature sensing behavior of Tb3+/Eu3+ co-doped borate glasses

“…to Eu 3? [15][16][17]. And with changing the temperature, the peaks of emission exhibit different variation tendency, which confirms the possibility of Tb 3?…”

Correlation between the chromaticity, dielectric properties and structure of the binary metal pyrophosphates, Cu(2−x)ZnxP2O7

“…26,27 from which Cu (2Àx) Zn x P 2 O 7 ; x ¼ 0.00-2.00 compounds show a greenish color, except for the composition with x ¼ 2.00, which exhibits a colorless powder. The optical properties and corresponding CIE chromatic coordinates 26,28,29 of these samples are shown in Fig. 4.…”