期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 117, 期 6, 页码 2939-2943出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp3117424
关键词
-
资金
- Japan Society for the Promotion of Science
- [477]
- Grants-in-Aid for Scientific Research [10J01890] Funding Source: KAKEN
The molecular-scale structure of water was studied over the (101) surface of p-nitroaniline crystals using advanced atomic force microscopy. p-Nitroaniline contains two polar groups on opposite ends of the nonpolar benzene ring and presents a surface of controlled heterogeneity. The cross-sectional distribution of force applied to the tip was precisely determined and was related to the local density of the structured water. Force modulations were present on the polar end-groups and absent on the benzene ring, suggesting water localization on the polar end-groups.
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