NIR and CT luminescence spectra of [Yb(TFN)(S-BINAPO)] and [Yb(HFA)(S-BINAPO)] complexes

作者：Subhan Md Abdus^*; Nakata Hiroyasu

来源：Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy , 2014, 130: 37-40.

DOI：10.1016/j.saa.2014.03.109

• NIR luminescence
• Yb(III) complex
• BINAPO
• CT transitions
• f-f transitions

The complexes [Yb(TFN)(3)(S-BINAPO)](TFN = 4,4,4-trifluoro-1(2-napthyl)-1,3-butanedione) (complex 1) and [Yb(HFA)(3)(S-BINAPO)1(HFA = hexafluoroacetylacetonate) (complex 2) were synthesized, characterized. The absorption as well as PL spectra have been studied. The complex [Yb(TFN)(3)(S-BINAPO)] showed narrowed emission peak (half width similar to 6 nm) at around 981 nm in addition to several emission peaks in NIR (near infrared) region. The complex [Yb(HFA)(3)(S-BINAPO)] showed strong emission peak at around 985 nm. The charge transfer luminescence of [Yb(TFN)(3)(S-BINAPO)] was also observed at 412-463 nm.

• 出版日期2014-9-15