Vibrational and structural relaxation of hydrated protons in Nafion membranes

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• 作者：Liyuan Liu ; Stephan Lotze ; Huib J. Bakker ; ^{bakker@amolf.nl}
• 刊名：Chemical Physics Letters
• 出版年：2017
• 出版时间：16 February 2017
• 年：2017
• 卷：670
• 期：Complete
• 页码：102-108
• 全文大小：743 K
• 卷排序：670

文摘

The bending modes of hydrated protons in Nafion membranes are studied with fs mid-IR. The vibrational relaxation is ultrafast (170 ± 30 fs) and leads to local heating. The dissipated energy thermalizes over Nafion with a time constant of 1.5 ps. For ∼10