Highly ordered selective adsorption of methyl orange on heterogeneous surfaces in aqueous solutions

Xuefeng Zhou, Yunzhu Qian, Yang Bai, Xin Feng, Ning Gu, Xiaohua Lu

科研成果: 期刊稿件文章同行评审

摘要

The effect of chemical heterogeneity on the adsorption of Methyl Orange (MO) in aqueous solutions was investigated by atomic force microscopy (AFM). On hydrophilic mica, a small number of disordered islands of Methyl Orange were formed. However, after deposition of self-assembled monolayers (SAMs) of octadecyltrichlorosilane (OTS) on mica, MO mole-cules adsorbed extensively and selectively on the hydrophobic OTS SAMs. Most importantly, the MO molecules on hydropho-bic domains were highly ordered and almost perpendicular to the OTS surface.

源语言英语
页(从-至)1142-1143
页数2
期刊Chemistry Letters
38
12
DOI
出版状态已出版 - 2009

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