Sensitization of visible and NIR emitting lanthanide(III) ions in noncentrosymmetric complexes of hexafluoroacetylacetone and unsubstituted monodentate pyrazole

Journal of Physical Chemistry A

Volumn 117, Issue 44, 2013, Pages 11183-11201

  Ahmed, Zubair ^a   Iftikhar, K ^a  

^a JAMIA MILLIA ISLAMIA CENTRAL UNIVERSITY   (India)

Author keywords

[No Author keywords available]

Indexed keywords

COORDINATION POLYHEDRA; HYPERSENSITIVE TRANSITIONS; INTRAMOLECULAR ENERGY TRANSFER; LIGAND-TO-METAL ENERGY TRANSFER; LUMINESCENCE EFFICIENCIES; MONOCLINIC SPACE GROUPS; PARAMAGNETIC COMPLEXES; SINGLE CRYSTAL X-RAY STRUCTURES;

COMPLEXATION; DICHLOROMETHANE; DYSPROSIUM; ENERGY TRANSFER; ERBIUM; EUROPIUM; GADOLINIUM; INFRARED DEVICES; LIGANDS; LUMINESCENCE; METAL IONS; NEODYMIUM; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; OPTICAL COMMUNICATION; QUANTUM YIELD; SYNTHESIS (CHEMICAL); THULIUM; YTTERBIUM;

PRASEODYMIUM;

EID: 84887796825     PISSN: 10895639     EISSN: 15205215     Source Type: Journal    
DOI: 10.1021/jp403668j     Document Type: Article

References (103)

1. Bunzli, J.-C. G.; Piguet, C. Taking advantage of Luminescent Lanthanide Ions Chem. Soc. Rev. 2005, 34, 1048-1077
2. Binnemans, K. Lanthanide-Based Luminescent Hybrid Materials Chem. Rev. 2009, 109, 4283-4374
3. Kido, J.; Okamoto, Y. Organo Lanthanide Metal Complexes for Electroluminescent Materials Chem. Rev. 2002, 102, 2357-23
4. 2 Single-Molecule Magnet with a Large Anisotropic Barrier Chem. Commun 2010, 46, 8264-8266
5. Bogani, L.; Sangregorio, C.; Sessoli, R.; Gatteschi, D. Molecular Engineering for Single-Chain-Magnet Behavior in a One-Dimensional Dysprosium-Nitronyl Nitroxide Compound Angew. Chem., Int. Ed. 2005, 44, 5817-5821
6. Bernot, K.; Bogani, L.; Caneschi, A.; Gatteschi, D.; Sessoli, R. A Family of Rare-Earth-Based Single Chain Magnets: Playing with Anisotropy J. Am. Chem. Soc. 2006, 128, 7947-7956
7. LaMar, G. N.; Horrocks, Dew, W., Jr.; Holm, R. H., Eds. NMR of Paramagnetic Molecules: Principles and Applications; Academic Press: New York, 1973.
8. Sievers, R. E. Nuclear Magnetic Resonance Shift Reagents; Academic Press: New York, 1973.
9. Werner, E. J.; Datta, A.; Jocher, C. J.; Raymond, K. N. High-Relaxivity MRI Contrast Agents: Where Coordination Chemistry Meets Medical Imaging Angew. Chem., Int. Ed. 2008, 47, 8568-8580
10. Caravan, P.; Ellison, J.; McMurryand, T.; Lauffer, R. Gadolinium(III) Chelates as MRI Contrast Agents: Structure, Dynamics, and Applications Chem. Rev. 1999, 99, 2293-2352
11. Weissman, S. I. Intramolecular Energy Transfer The Fluorescence of Complexes of Europium J. Chem. Phys. 1942, 10, 214-217
12. So, S.; MacKenzie, J. I.; Shepherd, D. P.; Clarkson, W. A.; Betterton, J. G.; Gorton, E. K.; Terry, J. A. C. Intra-cavity Side-Pumped Ho:YAG Laser Opt. Express 2006, 14, 10481-10 487
13. Kuriki, K.; Koike, Y.; Okamoto, Y. Plastic Optical Fiber Lasers and Amplifiers Containing Lanthanide Complexes Chem. Rev. 2002, 102, 2347-2356
14. Zang, F. X.; Hong, Z. R.; W. Li, L.; Li, M. T.; Sun, X. Y. 1.4 μ m Band Electroluminescence from Organic Light-Emitting Diodes Based on Thulium Complexes Appl. Phys. Lett. 2004, 84, 2679-2681
15. Feng, J.; Zhou, L.; Song, S.-Y.; Li, Z.-F.; Fan, W.-Q.; Sun, Ll-N.; Yu, Y.-N.; Zhang, H.-J. A Study on the Near-Infrared Luminescent Properties of Xerogel Materials Doped with Dysprosium Complexes Dalton Trans. 2009, 6593-6598
16. Puntus, L. N.; Schenk, K. J.; Bunzli, J.-C. G. Intense Near-Infrared Luminescence of a Mesomorphic Ionic Liquid Doped with Lanthanide β-Diketonate Ternary Complexes Eur. J. Inorg. Chem. 2005, 4739
17. Glover, P. B.; Bassett, A. P.; Nockemann, P.; Kariuki, B. M.; van Deun, R.; Pikramenou, Z. Fully Fluorinated Imidodiphosphinate Shells for Visible- and NIR-Emitting Lanthanides: Hitherto Unexpected Effects of Sensitizer Fluorination on Lanthanide Emission Properties Chem.-Eur. J. 2007, 13, 6308
18. Quici, S.; Cavazzini, M.; Marzanni, G.; Accorsi, G.; Armaroli, N.; Ventura, B.; Barigelletti, F. Visible and Near-Infrared Intense Luminescence from Water-Soluble Lanthanide Tb(III), Eu(III), Sm(III), Dy(III), Pr(III), Ho(III), Yb(III), Nd(III), Er(III). Complexes Inorg. Chem. 2005, 44, 529-537
19. Leonard, J. P.; dos Santos, C. M. G.; Plush, S. E.; McCabe, T.; Gunnlaugsson, T. pH Driven Self-Assembly of a Ternary Lanthanide Luminescence Complex: The Sensing of Anions using a β-Diketonate-Eu(III) Displacement Assay Chem. Commun. 2007, 129-131
20. Binnemans, K.; Görller-Walrand, C. Lanthanide-Containing Liquid Crystals and Surfactants Chem. Rev. 2002, 102, 2303-2354
21. Faulkner, S.; Pope, S. J. A.; Burton-pye, B. P. Lanthanide Complexes for Luminescence Imaging Applications Appl. Spectrosc. Rev. 2005, 40, 1-40
22. Yam, V. W. W.; Lo, K. K. W. Recent Advances in Utilization of Transition Metal Complexes and Lanthanides as Diagnostic Tools Coord. Chem. Rev. 1999, 184, 157-240
23. de Sa, G. F.; Malta, O. L.; de Mello Donega, C.; Simas, A. M.; Longo, R. L.; Santa-Cruz, P. A.; da Silva, E. F. Spectroscopic Properties and Design of Highly Luminescent Lanthanide Coordination Complexes Coord. Chem. Rev. 2000, 196, 165-195 and references therein
24. Reference 2 and references therein.
25. Melby, L. R.; Rose, N. J.; Abramson, E.; Caris, J. C. Synthesis and Fluorescence of Some Trivalent Lanthanide Complexes J. Am. Chem. Soc. 1964, 86, 5117-5125
26. Iftikhar, K.; Sayeed, M.; Ahmad, N. Mixed-Ligand Complexes of Trivalent Lanthanide ions with β-Diketones and Heterocyclic Amines Inorg. Chem. 1982, 21, 80-84
27. Van Staveren, D. R.; van Albada, G. A.; Haasnoot, J. G.; Kooijman, H.; Lanfredi, A. M. M.; Nieuwenhuizen, P. J.; Spek, A. L.; Ugozzoli, F.; Weyhermüller, T.; Reedijk, J. Increase in Coordination Number of Lanthanide Complexes with 2,2′-Bipyridine and 1,10-Phenanthroline by using β-Diketonates with Electron-Withdrawing Groups Inorg. Chim. Acta 2001, 315, 163-171
28. Irfanullah, M.; Iftikhar, K. New Dinuclear Lanthanide(III) Complexes Based on 6,6,7,7,8,8,8-Heptafluoro-2,2-dimethyl-3,5-octanedione and 2,2′-Bipyrimidine Inorg. Chem. Commun. 2009, 12, 296-299
29. 1H NMR, 4 f- 4 f Absorption and Photoluminescence Inorg. Chim. Acta 2010, 363, 2606-2615
30. Ilmi, R.; Iftikhar, K. Synthesis, Visible Light Absorption and Luminescence of Bipyrimidine Bridged Dinuclear Lanthanide Complexes of 2,4-Pantanedione Inorg. Chem. Commun. 2010, 13, 1552-1557
31. Bellusci, A.; Barberio, G.; A. Crispini, G.; Ghedini, M.; La Deda, M.; Pucci, D. Synthesis and Luminescent Properties of Novel Lanthanide(III) β-Diketone Complexes with Nitrogen p,p′-Disubstituted Aromatic Ligands Inorg. Chem. 2005, 44, 1818-1825
32. Zucchi, G.; Jeon, T.; Tondelier, D.; Aldakov, D.; Thuéry, P.; Ephritikhine, M.; Geffroy, B. White Electroluminescence of Lanthanide Complexes Resulting from Exciplex Formation J. Mater. Chem. 2010, 20, 2114-2120
33. Ahmed, Z.; Dar, W. A.; Iftikhar, K. Synthesis and Luminescence Study of a Highly Volatile Sm(III) Complex Inorg. Chim. Acta 2012, 392, 446-453
34. 3.2(dibenzyl sulfoxide) Chem. Phys. Lett. 1998, 282, 233
35. Eliseeva, S. V.; Bunzli, J.-C. G. Lanthanide Luminescence for Functional Materials and Bio-sciences Chem. Soc. Rev. 2010, 39, 189-227
36. Bunzli, J.-C. G. Lanthanide Luminescence for Biomedical Analyses and Imaging Chem. Rev. 2010, 110, 2729-2755
37. Nieto, S.; Pérez, J.; Riera, L.; Riera, V.; Miguel, D.; Golen, J. A.; Rheingold, A. L. Pyrazole Complexes as Anion Receptors: Effects of Changing the Metal, the Pyrazole Substitution Pattern, and the Number of Pyrazole Ligands Inorg. Chem. 2007, 46, 3407-3418
38. Chang, S.-Y.; Kavitha, J.; Hung, J.-Y.; Chi, Y. Luminescent Platinum(II) Complexes Containing Isoquinolinyl Indazolate Ligands: Synthetic Reaction Pathway and Photophysical Properties Inorg. Chem. 2007, 46, 7064-7074
39. Stepanenko, I. N.; Krokhin, A. A.; John, R. O.; Roller, A.; Arion, V. B.; Jakupec, M. A.; Keppler, B. K. Synthesis, Structure, Spectroscopic Properties, and Antiproliferative Activity In Vitro of Novel Osmium(III) Complexes with Azole Heterocycles Inorg. Chem. 2008, 47, 7338
40. Netto, A. V. G.; Frem, R.C. G.; Mauro, A. E. Crystallographic and Spectroscopic Studies on Palladium(II) Complexes Containing Pyrazole and Thiocyanate Ligands Trans. Met. Chem. 2002, 27, 279-283
41. Yongheng, X.; Yuanhong, Z.; Yongting, X. U.; Baoli, Z.; Shuyun, N. I. U.; Fengying, B. A. I. Synthesis and Characterization of Two New Types of Oxovanadium Complexes with Pyrazole as Ligand Chin. Sci. Bull. 2006, 51, 2189-2196
42. Xia, J.; Zhao, B.; Wang, H.-S.; Shi, W.; Ma, Y.; Song, H.-B.; Cheng, P.; Liao, D.-Z.; Yan, S.-P. Two- and Three-Dimensional Lanthanide Complexes: Synthesis, Crystal Structures, and Properties Inorg. Chem. 2007, 46, 3450-3458
43. Zhou, X.-g.; Huang, Zu-en; Cai, R.-f.; Zhang, Li-bei; Zhang, Li-xin. Synthesis and Dimethylsilicone Insertion into the Ln-N Bond of Cyclopentadienyl Lanthanide Pyrazolate Complexes Organometallics 1999, 18, 4128-4133
44. 2-Pyrazolato Ligands: Development of a New Class of Precursors for Doping Semiconductors Inorg. Chem. 1999, 38, 4539-4548
45. 3+ J. Chem. Phys. 1965, 42, 3797-3806
46. Melhuish, W. H. Quantum Efficiencies of Fluorescence of Organic Substances: Effect of Solvent and Concentration of the Fluorescent Solute J. Phys. Chem. 1961, 65, 229-235
47. Meshkova, S. B.; Topilova, Z. M.; Bolshoy, D. V.; Beltyukova, S. V.; Tsvirko, M. P.; Venchikov, V. Y. Quantum Efficiency of the Luminescence of Ytterbium(III) β-Diketonates Acta Phys. Pol. 1999, 95, 983-990
48. Bril, A.; De Jager-Veenis, A. W. Quantum Efficiency Standard for Ultraviolet and Visible Excitation J. Electrochem. Soc. 1976, 123, 396-398
49. Melhuish, W. H. Measurment of Quantum Efficiencies of Flourocence and Phosporescence and Some Suggested Luminescence Standards J. Opt. Soc. Am. 1964, 54, 183-186
50. Mello Donega, C. D.; Alves, S., Jr.; de Sa, G. F. Europium (III) Mixed Complexes with β-diketones and o-Phenanthroline-N-Oxide as Promising Light-Conversion Molecular Devices Chem. Commun. 1996, 1199-1200
51. Bruker Analytical X-ray Systems, SMART: Bruker Molecular Analysis Research Tool, Version 5.618; Bruker AXS: Madison, WI, 2000.
52. Bruker Analytical X-ray Systems, SAINT-NT, Version 6.04; Bruker AXS: Madison, WI, 2001.
53. Bruker Analytical X-ray Systems, SHELXTL-NT, Version 6.10; Bruker AXS: Madison, WI, 2000.
54. Klaus, B. DIAMOND, Version 1.2c; University of Bonn: Germany, 1999.
55. Iftikhar, K.; Sayeed, M.; Ahmed, N. Lanthanoid Shift Reagent, Synthesis and Spectral Studies Bull. Chem. Soc. Jpn. 1982, 55, 2258-2263
56. 2 (pzH=pyrazole) Inorg. Chem. Commun. 2003, 6, 922-925
57. Fratini, A.; Swavey, S. Luminescent and Structural Properties of a Eu(III) Complex: Formation of a One-Dimensional Array Bridged by 2,2′-Bipyrimidine Inorg. Chem. Commun. 2007, 10, 636-638
58. Hunter, A. P.; Lees, A. M. J.; Platt, A. W. G. Synthesis, Structures and Mass Spectrometry of Lanthanide Nitrate Complexes with Tricyclohexylphosphine Oxide Polyhedron 2007, 26, 4865-4876
59. Zhang, J.; Badger, P. D.; Geib, S. J.; Petoud, S. Synthesis and Structural Properties of Lanthanide Complexes Formed with Tropolonate Ligands Inorg Chem. 2007, 46, 6473-6482
60. Bleany, B. J. Nuclear Magnetic Resonance Shifts in Solution Due to Lanthanide Ions J. Magn. Reson. 1972, 8, 91-100
61. 3 with 2,2′-Bipyridyl and 1,10-Phenanthroline Polyhedron 1996, 15, 1113-1120
62. Fischer, R. D. In NMR of Paramagnetic Molecule: Principles and Applications; La Mar, G. N.; Horrocks, W. D., Jr.; Holm, R. H., Eds.; Academic Press: New York, 1973.
63. Henry, D. E.; Fellows, R. L.; Choppin, G. R. Hypersensitivity in the Electronic Transitions of Lanthanide and Actinide Complexes Coord. Chem. Rev. 1976, 18, 199-224
64. Peacock, R. D. The Intensities of Lanthanide f " f Transitions Struct. Bonding (Berlin) 1975, 22, 83-122
65. Jørgensen, C. K.; Judd, B. R. Hypersensitive Pseudoquadrupole Transitions in Lanthanides Mol. Phys. 1964, 8, 281-290
66. Judd, B. R. Hypersensitive Transitions in Rare-Earth Ions J. Chem. Phys. 1965, 44, 839
67. Ansari, A. A.; Irfanullah, M.; Iftikhar, K. Optical Absorption and NMR Spectroscopic Studies on Paramagnetic Neodymium (III) Complexes with β-Diketone and Heterocyclic Amines: The Environment Effect on 4f-4f Hypersensitive Transitions Spectrochim. Acta A 2007, 67, 1178-1188
68. Ansari, A. A.; Ilmi, R.; Iftikhar, K. Hypersensitivity in the 4f-4f Absorption Spectra of Tris(acetylacetonato) Neodymium(III) Complexes with Imidazole and Pyrazole in Non-aqueous Solutions. Effect of Environment on Hypersensitive Transitions J. Lumin. 2012, 132, 51-60
69. Khan, H. A.; Iftikhar, K. Mixed-Ligand Lanthanide Complexes-VII. Complexes of 1,10-Phenanthroline and Thiocyanate Polyhedron 1994, 13, 3199-3208
70. III in Non-aqueous Solutions Polyhedron 1997, 16, 4153-4161
71. Hussain, H. A.; Iftikhar, K. 4f-4f Hypersensitivity in the Absorption Spectra and NMR Studies on Paramagnetic Lanthanide Chloride Complexes with 1,10-Phenanthroline in Non-aqueous Solutions Spectrochim. Acta A 2003, 59, 1061-1074
72. Mondry, A.; Starynowich, P. Structure and Optical Spectroscopy of Holmium (III) triethylenetetraaminehexaacetate in single crystal and in solution New J. Chem. 2000, 24, 603-607
73. Ansari, A. A.; Hussain, H. A.; Iftikhar, K. Optical Absorption Spectroscopic Studies on Holmium (III) Complexes with β-diketone and Heterocyclic Amines: The Environment Effect on 4f-4f Hypersensitive Transitions Spectrochim. Acta A 2007, 68, 1305-1312
74. Eliseeva, S. V.; Ryazanov, M.; Gumy, F.; Troyanov, S. I.; Bunzli, J.-C. G.; Kuzmina, N. P. Dimeric Complexes of Lanthanide (III) Hexafluoroacetylacetonates with 4-Cyanopyridine N -Oxide: Synthesis, Crystal Structure, Magnetic and Photoluminescent Properties Eur. J. Inorg. Chem. 2006, 4809-4820
75. Sabbatini, N.; Guardigli, M.; Manet, I. In Handbook on the Physics and Chemistry of Rare Earth; Gschneidner, K. A., Jr.; Eyring, L., Eds.; Elsevier Science BV: Amsterdam, The Netherlands, 1996.
76. 3+ Complexes J. Phys. Chem. A 2000, 104, 5457-5468
77. Kang, J. G.; Kim, T. J. Luminescence and Crystal-Field Analysis of Europium and Terbium Complexes with Oxydiacetate and 1,10-Phenanthroline Bull. Korean Chem. Soc. 2005, 26, 1057-1064
78. Görller-Walrand, C.; Binnemans, K. Spectral Intensities of f-f Transitions. In Handbook on the Physics and Chemistry of Rare Earths; Gschneidner, K. A., Jr.; Eyring, L., Eds.; North-Holland: Amsterdam, 1998.
79. Hasegawa, Y.; Yamamuro, M.; Wada, Y.; Kanehisa, N.; Kai, Y.; Yanagida, S. Luminescent Polymer Containing the Eu(III) Complex Having Fast Radiation Rate and High Emission Quantum Efficiency J. Phys. Chem. A 2003, 107, 1697-1702
80. Ahmed, Z.; Iftikhar, K. Synthesis, Luminescence and NMR Studies of Lanthanide(III) Complexes with Hexafluoroacetylacetone and Phenanthroline. Part II Inorg. Chim. Acta 2012, 392, 165-176
81. Latva, M.; Takalo, H.; Mukkala, V. M.; Matachescu, C.; Rodríguez-Ubis, U. J. C.; Kankare, J. Correlation Between the Lowest Triplet State Energy Level of the Ligand and Lanthanide(III) Luminescence Quantum Yield J. Lumin. 1997, 75, 149-169
82. Eliseeva, S. V.; Pleshkov, D. N.; Lyssenko, K. A.; Lepnev, L. S.; Bunzli, J.-C. G.; Kuzmina, N. P. Deciphering Three Beneficial Effects of 2,2′-Bipyridine-N,N′-Dioxide on the Luminescence Sensitization of Lanthanide(III) Hexafluoroacetylacetonate Ternary Complexes Inorg. Chem. 2011, 50, 5137-5144
83. 3+-β-Diketonate Complexes J. Phys. Chem. A 2010, 114, 7928-7936
84. De Silva, C. R.; Wang, R.; Zheng, Z. Highly Luminescent Eu(III) Complexes with 2,4,6-tri(2-pyridyl)-1,3,5-Triazine Ligand: Synthesis, Structural Characterization, and Photoluminescence Studies Polyhedron 2006, 25, 3449-3455
85. Sato, S.; Wada, M. Relation between Intramolecular Energy Transfer Efficiencies and Triplet State Energies in Rare Earth β-diketone Chelates Jpn. Bull. Chem. 1970, 43, 1955-1962
86. Regulacio, M. D.; Pablico, M. H.; Vasquez, J. A.; Myers, P. N.; Gentry, S.; Prushan, M.; Tam-Chang, S.-W.; Stoll, S. L. Luminescence of Ln(III) Dithiocarbamate Complexes (Ln = La, Pr, Sm, Eu, Gd, Tb, Dy) Inorg. Chem. 2008, 47, 1512-1523
87. 2) and its Dependence on Ligand Triplet State Energy J. Lumin. 2001, 93, 199-204
88. + Doping via Combustion Method Langmuir 2004, 20, 3528-3531
89. 3+) Complexes containing 4,4,4-Trifluoro-1-phenyl-1,3-butanedione and 1,10-Phenanthroline J. Lumin. 2008, 128, 1957-1964
90. Li, Z.-F.; Zhou, L.; Yu, J.-B.; Zhang, H.-J.; Deng, R.-P.; Peng, Z.-P.; Guo, Z.-Y. Synthesis, Structure, Photoluminescence, and Electroluminescence Properties of a New Dysprosium Complex J. Phys. Chem. C 2007, 111, 2295-2300
91. Meshkova, S. B.; Topilova, Z. M.; Bol'shoi, D. V.; Nazarenko, N. A. Luminescence of Trivalent Thulium Ions in Complexes with β-Diketones J. Appl. Spectrosc. 2000, 67, 893-897
92. Lenaerts, P.; Driesen, K.; Van Deun, R.; Binnemans, K. Covalent Coupling of Luminescent Tris(2-thenoyltrifluoroacetonato)lanthanide(III) Complexes on a Merrifield Resin Chem. Mater. 2005, 17, 2148-2154
93. Hasegawa, Y.; Kimura, Y.; Murakoshi, K.; Wada, Y.; Kim, J.-H..; Nakashima, N.; Yamanaka, T.; Yanagida, S. Enhanced Emission of Deuterated Tris(hexafluoroacetylacetonato) neodymium(III) Complex in Solution by Suppression of Radiationless Transition via Vibrational Excitation J. Phys. Chem. 1996, 100, 10201-10205
94. Sun, L. N.; Zhang, H. J.; Fu, L. S.; Liu, F. Y.; Meng, Q. G.; Peng, C. Y.; Yu, J. B. A New Sol-Gel Material Doped with an Erbium Complex and Its Potential Optical-Amplification Application Adv. Funct. Mater. 2005, 15, 1041-1048
95. Van Deun, R.; Nockemann, P.; Görller-Walrand, C.; Binnemans, K. Strong Erbium Luminescence in the Near-Infrared Telecommunication Window Chem. Phys. Lett. 2004, 397, 447-450
96. 3+ in Sol-gel Hybrid Films Doped with an Erbium Complex Appl. Phys. Lett. 2003, 82, 2787-2789
97. Peng, C. Y.; Zhang, H. J.; Yu, J. B.; Meng, Q. G.; Fu, L. S.; Li, H. R.; Sun, L. N.; Guo, X. M. Synthesis, Characterization, and Luminescence Properties of the Ternary Europium Complex Covalently Bonded to Mesoporous SBA-15 J. Phys. Chem. B 2005, 109, 15278-15287
98. Thompson, R. B. Red and near-infrared fluorometry. In Topics in Fluorescence Spectroscopy, Probe Design and Chemical Sensing; Lakowicz, J. R., Ed.; Plenum Press: New York, 1994.
99. Casay, G. A.; Shealy, D. B.; Patonay, G. Near Infrared Fluorescence Probes. In Topics in Fluorescence Spectroscopy, Probe Design and Chemical Sensing; Lakowicz, J. R., Ed.; Plenum Press: New York, 1994.
100. Kishimoto, S-i; Nakagawa, T.; Kawai, T.; Hasegawa, Y. Enhanced Near-Infrared Luminescence of Yb(III) Complexes with Phosphine Oxide and Hexafluoroacetylacetonate Ligands Jpn. Bull. Chem. 2011, 84, 148-154
101. 3+ in Luminescent Lanthanide Complexes Phys. Chem. Chem. Phys. 2002, 4, 1542
102. 3 Phys. Rev. 1968, 171, 283-291
103. III. Complexes with 1-(2-naphthyl)-4,4,4- trifluoro-1,3-butanedionate J. Lumin. 2011, 131, 1857-1963