Synthesis and Luminescence Properties of Pure and Doped with Europium(III) K0.45Bi0.55Mo0.9V0.1O4 Solid Solutions

V.P. Chorniia, b, V.V. Boykoa, S.G. Nedilkob, O.V. Petrenkob, V.M. Prokopetsb, K.V. Terebilenkob, M.S. Slobodyanykb aNational University of Life and Environmental Sciences of Ukraine, 15 Geroiv Oborony str., 03041 Kyiv, Ukraine bTaras Shevchenko National University of Kyiv, 64/13 Volodymyrska str., 01301 Kyiv, Ukraine

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The results of synthesis, crystal structure characterization, and luminescence properties study of pure and Eu3+-doped K0.45Bi0.55Mo0.9V0.1O4 solid solutions have been reported. The obtained powders crystallize in a compact form with an average size of the particles of about 5-10 μm. It was found that doping with europium leads to the transformation of the host from monoclinic to tetragonal scheelite-like phase. The Eu3+-doped samples reveal intensive red luminescence under excitation in ultraviolet and blue spectral regions. Energy transfer from molybdate-vanadate host to Eu3+ ions takes place in the studied solid-solution. Intensity of the red luminescence increases when Eu3+ content increases and no concentration quenching has been found.

DOI:10.12693/APhysPolA.141.237 topics: bismuth, europium, luminescence, molybdate