Communication: Salt-induced water orientation at a surface of non-ionic surfactant in relation to a mechanism of Hofmeister effect.
作者： Mafumi Hishida , Yohei Kaneko , Masanari Okuno , Yasuhisa Yamamura , Taka-aki Ishibashi
DOI: 10.1063/1.4919664
关键词:
摘要: The behavior of water molecules at the surface nonionic surfactant (monomyristolein) and effects monovalent ions on are investigated using heterodyne-detected vibrational sum frequency generation spectroscopy. It is found that oriented with their hydrogen atoms pointing to bulk, degree orientation depends anion strongly but weakly cation. With measured potentials in those saline solutions, it concluded heterogeneous distribution anions cations combination causes orientation. This well explains contrasting order respect ion size Hofmeister series.
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