4f^n-4f-=SUP=-n-1-=/SUP=-d-переходы в оптических спектрах трис(1,2,4-трифенилциклопентадиенильных)-комплексов трехвалентных лантанидов
نویسندگان
چکیده
Tris complexes of Ln3+ ions (Ln = La, Ce, Pr) with triphenyl-substituted cyclopentadienyl ligands were studied by optical spectroscopy. Emission both 5d - 4f and transitions was observed for Pr3+ complex. It found that the strength crystal field formed in tris is comparable to case sulfides, as a result, red luminescence Ce3+ compound. The quantum yield photoluminescence 20% latter.
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ژورنال
عنوان ژورنال: ?????? ? ?????????????
سال: 2023
ISSN: ['0030-4034']
DOI: https://doi.org/10.21883/os.2023.04.55558.78-22