NIR and CT luminescence spectra of [Yb(TFN)(S-BINAPO)] and [Yb(HFA)(S-BINAPO)] complexes.
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)](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 ∼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.
Department of Chemistry, Shah Jalal University of Science and Technology, Sylhet, Bangladesh; Department of Arts and Science, Osaka Kyoiku University, Kashiwara, Osaka, Japan. Electronic address: subhan-che@sust.edu.
Md Abdus
MA
Subhan
Department of Arts and Science, Osaka Kyoiku University, Kashiwara, Osaka, Japan.
Hiroyasu
H
Nakata
D002073:Butanes / Q000138:chemical synthesis / Q000737:chemistry*; D056831:Coordination Complexes / Q000138:chemical synthesis / Q000737:chemistry*; D007477:Ions; D028581:Lanthanoid Series Elements / Q000737:chemistry; D008024:Ligands; D049449:Luminescence; D008163:Luminescent Measurements; D008670:Metals / Q000737:chemistry; D009943:Organophosphorus Compounds / Q000138:chemical synthesis / Q000737:chemistry*; D013053:Spectrophotometry; D019265:Spectroscopy, Near-Infrared; D013696:Temperature; D014057:Tomography, X-Ray Computed; D015018:Ytterbium / Q000737:chemistry*
D002073:Butanes; D056831:Coordination Complexes; D007477:Ions; D028581:Lanthanoid Series Elements; D008024:Ligands; D008670:Metals; D009943:Organophosphorus Compounds; C046888:butane; D015018:Ytterbium
BINAPO; CT transitions; NIR luminescence; Yb(III) complex; f–f transitions