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不同有机碱对乙酰水杨酸铽配合物荧光性能的影响 被引量:5

Effect of Different Types of Organic Alkali on Fluorescence Properties of Terbium Complexes Using Acetyl Salicylic Acid as Ligand
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摘要 有机碱对参与合成的铽配合物荧光性质具有非常大的影响。利用三乙胺(TEL)、三丙胺(TPL)和三丁胺(TBL)分别作为有机碱、乙酰水杨酸(aspirin)作为配体在无水乙醇溶液中制备了3种铽配合物溶液。通过紫外光谱、荧光光谱、绝对量子产率和荧光寿命的表征发现3种铽配合物的确具有不同的荧光性能。相同浓度条件下,随着有机胺碳链长度的增加,3种铽配合物的荧光发射强度依次增大。由3种有机碱所得到的铽配合物Tb(aspirin)3TEL、Tb(aspirin)3TPL和Tb(aspirin)3TBL的绝对量子效率分别为11.41%,12.85%和18.63%,在无水乙醇溶液中的荧光寿命分别为6.316 956×10-4,7.018 974×10-4,7.346 807×10-4s。实验结果表明,有机碱参与了铽配合物的分子组成。 Three kinds of terbium complexes solution were prepared in anhydrous ethanol solution using triethylamine( TEL),tripropylamine( TPL) and tributylamine( TBL),respectively. By characterization of UV spectra,fluorescence spectra,absolute quantum yield and fluorescence lifetime,the three types of terbium complexes have different fluorescent properties. Under the condition of same concentration,the fluorescent intensity of the three kinds of terbium complexes increases with the carbon chain length of orgainc amine increaseing. The absolute quantum yields of Tb( aspirin)3TEL,Tb( aspirin)3TPL and Tb( aspirin)3TBL using the three types of organic bases are11. 41%,12. 85% and 18. 63%,respectively. The fluorescence lifetimes in anhydrous ethanol solution are 6. 316 956 × 10-4,7. 018 974 ×10-4,and 7. 346 807 ×10-4s,respectively. The results show that organic base involved in the molecular composition of terbium complexes.
出处 《发光学报》 EI CAS CSCD 北大核心 2013年第10期1295-1299,共5页 Chinese Journal of Luminescence
基金 安徽省教育厅自然科学研究项目(KJ2012B135 KJ2012A217 KJ2012B136 KJ2011A210) 阜阳师范学院自然科学基金(2011HJJC02ZD 2011HJJC01ZD 2011HJJC04YB 2010FSKJ01ZD) 稀土材料化学及应用国家重点实验室开放基金(RE201101) 阜阳师范学院科技成果孵化基金(2013KJFH03 2013KJFH01) 阜阳师范学院产学研科技合作专项基金(2013CXY01)资助项目
关键词 铽配合物 有机胺 乙酰水杨酸 荧光寿命 绝对量子产率 terbium complexes organic amine acetylsalicylic acid fluorescence lifetime absolute quantum yield
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