KH2PO4 +基质（氧化铝/ SiO $_2$）纳米复合材料：拉曼散射研究
KH2PO4 + Host Matrix (Alumina / SiO$_2$) Nanocomposite: Raman Scattering Insight
摘要：
本文报道了以纳米结构KH 2 PO 4（KDP）晶体填充的多孔基质为基础的复合材料的合成及其拉曼散射特性。二氧化硅（SiO2）和阳极氧化铝（AAO）被用作具有各种孔径，孔间间距和形态的主体基质。通过X射线衍射和扫描电子显微镜研究了纳米复合材料的结构。拉曼散射揭示了一维纳米结构的KDP内的SiO2矩阵的创建。在SiO2 + KDP的拉曼光谱中，我们清楚地观察到PO 4四面体基团的伸缩振动ν1，ν3和弯曲振动ν2。在AAO + KDP纳米复合材料的拉曼散射光谱中，AAO基体的宽荧光背景在很大程度上占据主导地位，从而阻碍了KDP复合材料光谱响应的检测。
英文摘要：
We report on the synthesis and Raman scattering characterization of composite materials based on the hostnanoporous matrices filled with nanostructured KH2PO4 (KDP) crystal. Silica (SiO2) and anodized aluminium oxide (AAO) were used as host matrices with various pore diameters, inter-pore spacing and morphology. The structure of the nanocomposites was investigated by X-ray diffraction and scanning electron microscopy. Raman scattering reveals the creation of one-dimensional nanostructured KDP inside the SiO2 matrix. We clearly observed the stretching ν1, ν3 and bending ν2 vibrations of PO4 tetrahedral groups in the Raman spectrum of SiO2 + KDP. In Raman scattering spectra of AAO + KDP nanocomposite, the broad fluorescence background of AAO matrix dominates to a great extent, hindering thus the detecting of the KDP compound spectral response.
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