Study on Photoluminescence of 2-(4-Chloro-Benzoyl)Benzoic Acid Complexes
Li Zhao-ye1; Geng Xiao-tian1; Wang Juan1; Zhao Ying2; Wu Hong3; Yan Jian-bo3; Wang Yun-you3; Sun Bo1
AbstractEight complexes of europium and terbium were synthesized, with 2-(4-chloro-benzoyl)benzoic acid as an essential ligand and other three distinct ligands, including 1, 10-phenanthroline, triphenylphosphine oxide and diphenyl sulfoxide, as selective ligands. They were Eu(CBBA)(3)(H(2)O)(4), Eu(CBBA)(3)(Phen)(H(2)O)(6), Eu(CBBA)(3)(TPPO)(H(2)O)(4), Eu(CBBA)(3)(DPSO) (H(2)O)(5), Tb(CBBA)(3)(H(2)O)(4), Tb(CBBA)(3)(Phen)(H(2)O)(3), Tb(CBBA)(3)(TPPO)(H(2)O)(2) and Tb(CBBA)(3)(DPSO)(H(2)O)(4), respectively. Then their excitation and emission spectra were measured, and that how the central ions were differently impacted by the three second ligands was also compared. It was easily to be seen that from the spectra all the complexes luminesced with the similar special peaks. However, the luminescence intensity was evidently distinct, because 1, 10-phenanthroline, triphenylphosphine oxide and diphenyl sulfoxide were coordinated with them, and exerted different effects on transferring energy to the central ions. In the complexes of europium, Eu(CBBA)(3)(Phen)(H(2)O)(6) and Eu(CBBA)(3)(DPSO)(H(2)O)(5) each luminesced more strongly than Eu(CBBA)(3)(HzO)(4), however, Eu(CBBA)(3)(TPPO)(H(2)O)(4) luminesced more weakly than Eu(CBBA)(3)(H(2)O)(4) Moreover, Eu(CBBA)(3)(DPSO)(H(2)O)(5) luminesced more intensely than Eu(CBBA)(3)(Phen)(H(2)O)(6). So 1,10-phenanthroline and diphenyl sulfoxide could sensitize the luminescence, whereas triphenylphosphine oxide could quench the luminescence in the certain Eu complexes. In Tb complexes, diphenyl sulfoxide sensitized the luminescence of Tb(CBBA)(3)(DPSO)(H(2)O)(4), and reversely, 1, 10-phenanthroline and triphenylphosphine oxide quenched differently the luminescence of Tb(CBBA)(3)(Phen)(H(2)O)(3) and Tb(CBBA)(3)(TPPO)(H(2)O)(2). 1, 10-phenanthroline quenched more strongly than triphenylphosphine. From IR spectra, the structure of the complexes was conjectured approximately. In the region of 3 200-3 600 cm(-1), there were some weak vibrant peaks owed to hydroxyl of water, a good proof that there were water molecules in the complexes themselves.
KeywordEuropium Terbium Triphenylphosphine Oxide Diphenyl Sulfoxide 2-(4-chloro-benzoyl) Benzoic Acid 1 10-phenanthroline
Indexed BySCI
WOS IDWOS:000271875400007
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Document Type期刊论文
Corresponding AuthorSun Bo
Affiliation1.Nankai Univ, Dept Chem Mat, Coll Chem, Tianjin 300071, Peoples R China
2.Chinese Acad Sci, Inst Chem, State Key Lab Polymer Phys & Chem, Beijing 100080, Peoples R China
3.China Dankong Ind & Trade Grp Co, Taizhou 318000, Peoples R China
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GB/T 7714
Li Zhao-ye,Geng Xiao-tian,Wang Juan,et al. Study on Photoluminescence of 2-(4-Chloro-Benzoyl)Benzoic Acid Complexes[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2009,29(11):2904-2908.
APA Li Zhao-ye.,Geng Xiao-tian.,Wang Juan.,Zhao Ying.,Wu Hong.,...&Sun Bo.(2009).Study on Photoluminescence of 2-(4-Chloro-Benzoyl)Benzoic Acid Complexes.SPECTROSCOPY AND SPECTRAL ANALYSIS,29(11),2904-2908.
MLA Li Zhao-ye,et al."Study on Photoluminescence of 2-(4-Chloro-Benzoyl)Benzoic Acid Complexes".SPECTROSCOPY AND SPECTRAL ANALYSIS 29.11(2009):2904-2908.
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