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Browsing by Subject "Lanthanide complexes"

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3-phenyl-4-benzoyl-5-isoxazolonate complex of Eu3+ with tri-n-octylphosphine oxide as a promising light-conversion molecular device

Rani Pavithran; Saleesh Kumar, N S; Biju, S; Reddy, M L P; Junior, S A; Freire, R O (American Chemical Society, 2006)

Three new europium complexes, [Eu(PBI)(3)(.)3H(2)O] (1), [Eu(PBI)(3)(.)2TOPO] (2), and [Eu(PBI)(3)(.)2TPPO(.)H(2)O] (3) (where HPBI, TOPO, and TPPO stand for 3-phenyl-4-benzoyl-5-isoxazolone, tri-n-octylphosphine oxide, ...
4,4,5,5,5-Pentafluoro-1-(9H-fluoren-2-yl)-1,3-pentanedione complex of Eu3+ with 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene oxide as a promising light-conversion molecular device

Ambili Raj, D B; Biju, S; Reddy, M L P (Royal Society of Chemistry, 2009)

A novel beta-diketone ligand, 4,4,5,5,5-pentafluoro-1-(9H-fluoren-2-yl)-1,3-pentanedione (Hpffpd), which contains a polyfluorinated alkyl group, as well as a long conjugated fluorene unit, and a chelate phosphine oxide ...
Bright green luminescent molecular terbium plastic materials derived from 3,5-bis(perfluorobenzyloxy)benzoate

Sarika, S; Reddy, M L P (RSC Publishing, 2012)

Luminescent lanthanide complexes (Eu3+ (1) or Tb3+ (2)) involving a highly fluorinated aromatic carboxylate, namely,3,5-bis(perfluorobenzyloxy)benzoic acid which acts as an antenna chromophore and sensitizes the visible ...
Highly efficient luminescent hybrid materials covalently linking with europium(III) complexes via a novel fluorinated beta-diketonate ligand: Synthesis, characterization and photophysical properties

Biju Francis; Ambili Raj, D B; Reddy, M L P (Royal Society of Chemistry, 2010)

A novel highly fluorinated beta-diketonate ligand, 1-(3,5-bis(benzyloxy) phenyl)-4,4,5,5,5-pentafluoropentane- 1,3-dione (HBBPPF) and its corresponding europium(III) ternary complex, Eu(BBPPF)(3)(DDXPO) [DDXPO = ...
Highly luminescent europium(III) complexes containing organosilyl 4,4,5,5,5-pentafluoro-1-(naphthalen-2-yl)pentane-1,3-dionate ligands grafted on silica nanoparticles

Ambili Raj, D B; Biju, S; Reddy, M L P (Royal Society of Chemistry, 2009)

A novel organic-inorganic mesoporous luminescent hybrid material was designed by linking a ternary Eu(3+) complex to the functionalized hexagonal mesoporous MCM-41 with the modified beta-diketone, 4,4,5,5,5-pentafluoro-1 ...
Highly luminescent poly(methyl methacrylate)-incorporated europium complex supported by a carbazole-based fluorinated beta-diketonate ligand and a 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene oxide co-ligand

Ambili Raj, D B; Biju Francis; Reddy, M L P; Butorac, R R; Lynch, V M; Cowley, A H (American Chemical Society, 2010)

A novel efficient antenna complex of Eu(3+) [Eu(CPFHP)3(DDXPO)] supported by a highly fluorinated carbazole-substituted P-diketonate ligand, namely, 1-(9H-carbazol-2-yl)-4,4,5,5,5-pentafluoro-3-hydroxypent-2-en-1-one (CPFHP) ...
Lanthanide Complex-derived White-light Emitting Solids: A Survey on Design Strategies

SeethaLekshmi, S; Ramya, A R; Reddy, M L P; Sunil Varughese (Elsevier, 2017-12)

Solid-state materials with tunable light emission characteristics offer an attractive prospect. Unique luminescence features of trivalent lanthanide (LnIII) ions—sharp characteristic emission in the visible and near-infrared ...
Molecular ladders of lanthanide-3-phenyl-4-benzoyl-5-isoxazolonate and Bis(2-(diphenylphosphino)phenyl) ether oxide complexes: The role of the ancillary ligand in the sensitization of Eu3+ and Tb3+ luminescence

Biju, S; Reddy, M L P; Cowley, A H; Vasudevan, K V (American Chemical Society, 2009)

Three new lanthanide heterocyclic beta-diketonate complexes having the general formula Ln(PBI)(3)(DPEPO) [HPBI = 3-phenyl-4-benzoyl-5-isoxazolone. DPEPO = bis(2-(diphenylphosphino)phenyl) ether oxide and Ln(3+) = Eu3+ (1), ...
Synthesis, crystal structure, and luminescent properties of novel Eu3+ heterocyclic beta-diketonate complexes with bidentate nitrogen donors

Biju, S; Ambili Raj, D B; Reddy, M L P; Kariuki, B M (American Chemical Society, 2006)

New tris(heterocyclic beta-diketonato) europium(III) complexes of the general formula Eu(PBl)(3)L-. [where HPBI = 3-phenyl-4-benzoyl-5-isoxazolone and L = H2O, 2,2'-bipyridine (bpy), 4,4'-dimethoxy-2,2'-bipyridine (dmbpy), ...
Synthesis, crystal structure, and luminescent properties of novel Eu3+ heterocyclic beta-diketonate complexes with bidentate nitrogen donors

Biju, S; Ambili Raj, D B; Reddy, M L P; Kariuki, B M (American Chemical Society, 2006)

New tris(heterocyclic beta-diketonato) europium(III) complexes of the general formula Eu(PBl)(3)L-. [where HPBI = 3-phenyl-4-benzoyl-5-isoxazolone and L = H2O, 2,2'-bipyridine (bpy), 4,4'-dimethoxy-2,2'-bipyridine (dmbpy), ...
Synthesis, structure and optical studies of a family of three-dimensional rare-earth aminoisophthalates [M(mu(2)-OH)(C8H5NO4)] (M = Y3+, La3+, Pr3+, Nd3+, Sm3+, Eu3+, Gd3+, Dy3+, and Er3+)

Sarma, D; Prabu, M; Biju, S; Reddy, M L P; Natarajan, S (Wiley, 2010)

A hydrothermal reaction of the acetate salts of the rare-earths, 5-aminoisophthalic acid (H(2)AIP), and NaOH at 150 degrees C for 3 days gave rise to a new family of three-dimensional rare-earth aminoisophthalates, ...
Tuning of the excitation wavelength from UV to visible region in Eu3+-beta-diketonate complexes: Comparison of theoretical and experimental photophysical properties

Divya, V; Freire, R O; Reddy, M L P (Royal Society of Chemistry, 2011)

A novel class of efficient visible light sensitized antenna complexes of Eu3+ based on the use of a series of highly conjugated beta-diketonates, namely, 1-(1-phenyl)-3-(2-fluoryl) propanedione, 1-(2-naphthyl)-3-(2-fluoryl) ...

Now showing items 1-12 of 12

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