(综述)电子显微分析技术在高分子材料中的应用 Applications of Electron Microscopy for Polymers ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 摘要 透射电子显微镜(TEM)已经逐渐成为材料研究领域最重要的成像和表征手段之一。这篇综述主要介绍了近年来出现的几种电子显微分析技术,并结合高分子聚合物材料的特点列举了这些技术在实际研究中的应用。这些技术包括:高分辨透镜(HRTEM)成像,扫描透镜(STEM)成像,能量过滤透镜(EFTEM)成像以及电子能量损失谱(EELS)分析。综合运用这些成像和分析工具,可以更全面了解高分子材料在各个微观尺度下的性质。 Abstract The transmission Electron Microscope (TEM) has been used extensively as one of the most versatile and powerful tools for materials characterization. This review highlights important development of several microscopy and analysis techniques in the field of polymers. These techniques include High Resolution TEM (HRTEM), Scanning TEM (STEM), Energy Filtered TEM (EFTEM), and Electron Energy-loss Spectroscopy (EELS). By combining multiple microscopy techniques, we are able to gain a better understanding of polymers properties in various scales.
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