Time dependence of the luminescence intensity in CdBr2: AgCl,PbBr2 crystals under N2-laser excitation at room temperature

Bolesta, I.; Kalivoshka, B.; Karbovnyk, I.; Lesivtsiv, V.; Novosad, I.; Novosad, S.; Rovetskyy, I.; Velgosh, S.

doi:10.2478/s13536-014-0232-y

Abstract

Results of optical-luminescence studies of polydoped photochromic CdBr2: AgCl,PbBr2 crystals are presented. It is shown that the luminescence decrease vs. time under N2-laser excitation in the range of A-band of Pb2+ absorption is due to photochemical reactions. The empirical model describing the decrease of the luminescence related to silver impurities due to photochemical processes is suggested. Model parameters (trapping cross-section — σ — and the amount of centres destroyed by irradiation — β) were determined using the comparative analysis of experimental and calculated luminescence decay curves.

References

[1] Dürr H., Bouas-laurent H., Photochromism: Molecules and Systems, Elsevier, 2003.
Search in Google Scholar
[2] Delaire J.A., Nakatani K., Chem. Rev., 100(5) (2000), 1817. http://dx.doi.org/10.1021/cr980078m10.1021/cr980078m
Search in Google Scholar
[3] Megla G.K., Appl. Optics, 5(6) (1966), 945. http://dx.doi.org/10.1364/AO.5.00094510.1364/AO.5.000945
Search in Google Scholar
[4] Araujo R.J., Appl. Optics, 7(5) (1968), 781. http://dx.doi.org/10.1364/AO.7.00078110.1364/AO.7.000781
Search in Google Scholar
[5] Scott J.L., Tanaka K., Cryst. Growth Des., 5(3) (2005), 1209. http://dx.doi.org/10.1021/cg049591l10.1021/cg049591l
Search in Google Scholar
[6] Bensouici A., Plaza J.L., Dieguez E. et al., J. Lumin., 130(4) (2010), 688. http://dx.doi.org/10.1016/j.jlumin.2009.11.02010.1016/j.jlumin.2009.11.020
[7] Lyskovich A.B. (Ed.), Wide-gap Layered Crystals and Their Physics Properties, Vyscha Shkola, Lvov, 1982 (in rus.).
Search in Google Scholar
[8] Brodin M.S., Blonsky I.V., Excitonic Processes in Layered Crystals, Kiev, Naukova Dumka, 1986 (in rus.).
Search in Google Scholar
[9] Lyskovich O.B., Novosad S.S., Kravchuk O.Y., Ukr. J. Phys., 40(9) (1995), 1001 (in ukr.).
Search in Google Scholar
[10] Novosad S.S., Gal’chynskyy O.V., Kovalyuk R.O., Nucl. Instrum. Meth., 116,1916 (1996), 265. http://dx.doi.org/10.1016/0168-583X(96)00058-410.1016/0168-583X(96)00058-4
Search in Google Scholar
[11] Novosad S.S., Novosad I.S., PCSS, 8(4) (2007), 759 (in ukr.).
Search in Google Scholar
[12] Novosad S.S., Novosad I.S., Funct. Mater., 11,2 (2004), 258.
Search in Google Scholar
[13] Novosad S.S., Novosad I.S., Borodchuk A.V., Inorg. Mater.+, 41,(2) (2005), 235. 10.1007/s10789-005-0041-0
Search in Google Scholar
[14] Novosad S.S., Kostyuk B.M., Ukr. J. Phys., 42(5) (1997), 568 (in ukr.).
Search in Google Scholar
[15] Lyskovich A.B., Martyniv S.D., Novosad S.S., Kostyuk B.M., Inorg. Mater.+, 34(8) (1998), 974 (in rus.).
Search in Google Scholar
[16] Novosad S.S., Novosad I.S., Kalivoshka B.M., Phys. Solid. State+, 53,8 (2011), 1548 (in rus.). 10.1134/S1063783411080233
Search in Google Scholar
[17] Novosad S.S., Kostyuk B.M., Ukr. J. Phys., 43,7 (1998), 871 (in ukr.).
Search in Google Scholar
[18] Novosad S.S., Kostyuk B.M., Funct. Mater., 5,2 (1998), 171.
Search in Google Scholar
[19] Novosad S.S., Ukr. J. Phys., 43,3 (1998), 338 (in ukr.).
Search in Google Scholar
[20] Georgobiani A.N., Sheikman M.K. (Eds.), Physics of A IIB VICompounds, Nauka, Moscow, 1986 (in rus.).
[21] Gurvich A.M., Introduction in Physical Chemistry of Crystal Luminophors, Vysshaya Shkola, Moscow, 1982 (in rus.).
Search in Google Scholar
[22] Novosad S.S., Kalivoshka B.M., Phys. Solid. State+, 51,6 (2009), 1072 (in rus.). 10.1134/S1063783409060080
Search in Google Scholar
[23] Novosad S.S., Kalivoshka B.M., PCSS, 8,4 (2007), 753 (in ukr.).
Search in Google Scholar
[24] Bolesta I.M., Velgosh S.R., Karbovnyk I.D. et al., Phys. Solid. State+, 54,10 (2012), 1935 (in rus.).
[25] Kolomiets B.T., Mamontova T.N., Chernyshov A.V., Sov. Phys. Semicond., 17,9 (1983), 708 (in rus.).
Search in Google Scholar
[26] Mamontova T.N., Chernyshov A.V., Sov. Phys. Semicond., 18,3 (1984), 332 (in rus.).
Search in Google Scholar

Time dependence of the luminescence intensity in CdBr2: AgCl,PbBr2 crystals under N2-laser excitation at room temperature

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