Investigating buried polymer interfaces using sum frequency generation vibrational spectroscopy.
Investigating buried polymer interfaces using sum frequency generation vibrational spectroscopy.
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DOI：
10.1016/j.progpolymsci.2010.07.003
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发表时间：
2010-11-01
影响因子：
27.1
通讯作者：
Chen Z
中科院分区：
文献类型：
--
作者：
Chen Z
本文综述了和频振动光谱在研究聚合物埋层界面方面的最新进展。埋固/液和固/固界面涉及聚合物材料进行了讨论。聚合物/水界面的SFG研究表明，不同的聚合物在水中表现出不同的表面重构行为，表明原位探测聚合物/水界面的重要性。SFG也被应用于聚合物和其他液体之间的界面的研究。已经发现，在这样的聚合物/液体界面处的分子相互作用决定界面聚合物结构。硅烷分子的分子结构，这是广泛使用的粘合促进剂，已被调查使用SFG在掩埋的聚合物/硅烷和聚合物/聚合物界面，提供分子水平的理解聚合物粘合促进。聚合物/固体界面的分子结构已被检查使用SFG与几个不同的实验几何形状。这些结果提供了分子水平的信息聚合物的摩擦，粘附，界面化学反应，界面的电子性能，和逐层沉积的聚合物的结构。这些研究表明，SFG是一个强大的工具，探测掩埋界面涉及聚合物材料，这是很难研究的常规表面敏感的分析技术。
This paper reviews recent progress in the studies of buried polymer interfaces using sum frequency generation (SFG) vibrational spectroscopy. Both buried solid/liquid and solid/solid interfaces involving polymeric materials are discussed. SFG studies of polymer/water interfaces show that different polymers exhibit varied surface restructuring behavior in water, indicating the importance of probing polymer/water interfaces in situ. SFG has also been applied to the investigation of interfaces between polymers and other liquids. It has been found that molecular interactions at such polymer/liquid interfaces dictate interfacial polymer structures. The molecular structures of silane molecules, which are widely used as adhesion promoters, have been investigated using SFG at buried polymer/silane and polymer/polymer interfaces, providing molecular-level understanding of polymer adhesion promotion. The molecular structures of polymer/solid interfaces have been examined using SFG with several different experimental geometries. These results have provided molecular-level information about polymer friction, adhesion, interfacial chemical reactions, interfacial electronic properties, and the structure of layer-by-layer deposited polymers. Such research has demonstrated that SFG is a powerful tool to probe buried interfaces involving polymeric materials, which are difficult to study by conventional surface sensitive analytical techniques.
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