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Study of Langmuir Monolayers of Arachidic Acid on Saline Solutions Using Sum-frequency Generation Vibrational Spectroscopy / Nguyen, Anh Tuan

Tác giả : Nguyen, Anh Tuan

Nhà xuất bản : H. : ĐHQGHN

Năm xuất bản : 2017

Tùng thư : Journal of Mathematics- Physics

Chủ đề : 1. interfacial structure. 2. Langmuir monolayer. 3. Sum-frequency vibrational spectroscopy. 4. Article.

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Tóm tắt :

In this report, we studied the effect of halide salt concentration on Arachidic Acid (AA) Langmuir monolayers formed on salt solutions, such as NaCl, NaI, NaF by using a Sum-Frequency Generation Vibrational Spectroscopy. In the SFG spectra, we observed the peak intensities of CH3FR and CH3SS vibrational modes decreased when increasing the salt concentration. This observation indicates that the structure of the AA monolayer was disordered by the interaction of the dissolved ions with the carboxyl head groups of the monolayer.

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https://repository.vnu.edu.vn/handle/VNU_123/55376