Wang Jin, Li Zhiqiang, Wang Tianren, Yang Daqing, Wang Yige
J Nanosci Nanotechnol. 2016 May;16(5):5058-62. doi: 10.1166/jnn.2016.12776.
In this study, we present a novel layered material (LEuH-TTA) consisting of layered europium hydroxide (LEuH) and organic sensitizer 2-thenoyltrifluoroacetone (TTA) in a simple and environmental benign way and it was characterized by FT-IR and XRD. The luminescence intensity of LEuH-TTA increased significantly after modified with TTA, almost 8 times that of LEuH at 612 nm. The luminescence behavior of LEuH-TTA was investigated by luminescence analysis, the results showed that red emission is caused by energy transfer from the TTA ligand to the coordinated Eu3+ ions. Furthermore, the thickness of luminescence film was measured and the SEM showed that it is about 1 μm.
在本研究中，我们以简单且环境友好的方式制备了一种新型层状材料（LEuH-TTA），它由层状氢氧化铕（LEuH）和有机敏化剂2-噻吩甲酰三氟丙酮（TTA）组成，并通过傅里叶变换红外光谱（FT-IR）和X射线衍射（XRD）对其进行了表征。用TTA修饰后，LEuH-TTA的发光强度显著增加，在612 nm处几乎是LEuH的8倍。通过发光分析研究了LEuH-TTA的发光行为，结果表明红色发射是由TTA配体向配位的Eu3+离子的能量转移引起的。此外，测量了发光薄膜的厚度，扫描电子显微镜（SEM）显示其约为1μm。
