Temperature-dependent luminescent properties of Eu–Tb complexes synthesized in situ in gel glass
作者： Yan Liu , Guodong Qian , Zhiyu Wang , Minquan Wang
DOI: 10.1063/1.1864233
关键词:
摘要: The chelates of europium and terbium with hexafluoroacetylacetone (HFA) triphenylphoshine oxide (TPPO), Eu∕Tb(HFA)3(TPPO)2, have been synthesized in situ gel glasses various concentrations Eu3+ Tb3+ ions. photoluminescence spectra measured the characteristic transitions observed. Due to variance energy transfer efficiencies from Eu3+, intensity ratios luminescent band vary remarkably measurement temperatures. In addition, Forster mechanism has proved be responsible for between Tb3+. materials doped Eu∕Tb(HFA)3(TPPO)2 are promising being used as a temperature detector thermal-sensitive probe optical fiber sensor.
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