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利用X射线光电子能谱、红外光谱、紫外光谱和荧光光谱对Eu(Ⅲ)与聚N-异丙基丙烯酰胺(PNIPAM)的相互作用进行了研究。结果表明,Eu(Ⅲ)和PNIPAM有相互作用:①Eu(Ⅲ)可与PNIPAM中酰胺基团配位形成配合物PNIPAM-Eu(Ⅲ);②PNIPAM-Eu(Ⅲ)配合物兼具热敏性;③Eu(Ⅲ)与PNIPAM之间存在能量传递,当Eu(Ⅲ)含量为0.8w%时荧光强度最大。
The interaction of Eu (Ⅲ) with poly (N-isopropylacrylamide) (PNIPAM) was studied by X-ray photoelectron spectroscopy, infrared spectroscopy, ultraviolet spectrum and fluorescence spectroscopy. The results show that Eu (Ⅲ) has interaction with PNIPAM: ①Eu (Ⅲ) can form PNIPAM-Eu (Ⅲ) complex with amide group in PNIPAM; ②PNIPAM-Eu (Ⅲ) Ⅲ) and PNIPAM, the fluorescence intensity is the highest when the content of Eu (Ⅲ) is 0.8w%.