¹H nuclear magnetic resonance study of low-temperature water dynamics in a water-soaked perfluorosulfonic acid ionomer Nafion film

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• 关键词：A. Water-soaked Nafion film ; D. Non-freezing water dynamics ; E. Proton nuclear magnetic resonance spectroscopy
• 刊名：Solid State Communications
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：250
• 期：Complete
• 页码：28-30
• 全文大小：445 K
• 卷排序：250

文摘

Proton NMR to study the low-temperature water dynamics in a water-soaked Nafion film. Three distinct water species were well separated revealing distinct behaviors. “Bound” water remained unfrozen showing a slow-to-fast motional limit transition at 220 K.