title: Optical properties and spectroscope parameters of Sm(DBM)(3)Phen-doped poly(methyl methacrylate).
abstract: Rare-earth complex Sm(DBM)(3)Phen-doped poly(methyl methacrylate) was synthesized and its absorption and luminescence spectra were studied. The relationship between the coordinate environment of rare-earth ions and the Judd-Ofelt intensity parameter Omega(2) was analyzed and the spectroscopic quality factor, Omega(4)/Omega(6), for this material was reported. The oscillator strengths of higher energy levels of Sm(3+) were predicted, which would be useful to assign the closely spaced multiples at higher energies. The radiative properties for fluorescent levels (4)G(4)(7/2), (4)F(3)(3/2) and (4)G(4)(5/2) of Sm(3+) were evaluated. The predicted radiative parameters were compared with the observed luminescence spectrum of Sm(3+) in this system.
authors.affiliation: Department of Materials Science and Engineering, Yonsei University, 134 Shinchon-dong, Seodaemun-gu, Seoul 120-749, Republic of Korea.
authors.forename: Zhaogang
authors.initials: Z
authors.lastname: Nie
authors.forename: Heungyeol
authors.initials: H
authors.lastname: Lee
authors.forename: Hyunkwon
authors.initials: H
authors.lastname: Shin
authors.forename: Hyeongjae
authors.initials: H
authors.lastname: Lee
authors.forename: Ki-Soo
authors.initials: KS
authors.lastname: Lim
authors.forename: Myeongkyu
authors.initials: M
authors.lastname: Lee
mesh_terms: D000042:Absorption; D047188:Chalcones / Q000737:chemistry*; D007477:Ions / Q000737:chemistry; D008163:Luminescent Measurements; D008956:Models, Chemical; D019904:Polymethyl Methacrylate / Q000737:chemistry*; D012493:Samarium / Q000737:chemistry*; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet; D013057:Spectrum Analysis / Q000379:methods*; D014961:X-Ray Diffraction
chemical_list: D047188:Chalcones; D007477:Ions; D012493:Samarium; D019904:Polymethyl Methacrylate; C061481:dibenzoylmethane