ICCAS OpenIR
Topography investigation of water layer and self-assembled monolayer with OTS-modified AFM tips
Wei, ZQ; Wang, C; Wang, ZG; Liu, DG; Bai, CL
2001-08-01
Source PublicationSURFACE AND INTERFACE ANALYSIS
ISSN0142-2421
Volume32Issue:1Pages:275-277
AbstractThe imaging process with atomic force microscopy (AFM) in air is influenced by many factors, such as tip size and geometry, scan speed, ambient humidity, etc. In an ambient environment the imaging can be affected greatly by the humidity of the atmosphere because of the formation of the meniscus along the tip-sample interface. The capillary force between the tip and the sample is generally large enough to make it difficult to obtain a high-resolution image, therefore it is necessary to eliminate this capillary in order to obtain improved images. To this end, we modified tips with CH3-terminated organosilane to make them hydrophobic. With such tips we obtained (in AFM/LFM mode) improved images of soft materials such as the water layer and the self-assembled monolayer (SAM). For octadecantrichlorosilane (OTS) SAM chemisorbed on mica, high-resolution lattice-resolved images also were collected. The results demonstrated that these hydrophobic tips were suitable for obtaining improved images. Copyright (C) 2001 John Wiley & Sons, Ltd.
KeywordAtomic Force Microscope (Afm) Afm Imaging Tip Modification Ots Water Layer
Indexed ByISTP ; SCI
Language英语
WOS IDWOS:000170551800060
PublisherJOHN WILEY & SONS LTD
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/77912
Collection中国科学院化学研究所
Corresponding AuthorBai, CL
AffiliationChinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Wei, ZQ,Wang, C,Wang, ZG,et al. Topography investigation of water layer and self-assembled monolayer with OTS-modified AFM tips[J]. SURFACE AND INTERFACE ANALYSIS,2001,32(1):275-277.
APA Wei, ZQ,Wang, C,Wang, ZG,Liu, DG,&Bai, CL.(2001).Topography investigation of water layer and self-assembled monolayer with OTS-modified AFM tips.SURFACE AND INTERFACE ANALYSIS,32(1),275-277.
MLA Wei, ZQ,et al."Topography investigation of water layer and self-assembled monolayer with OTS-modified AFM tips".SURFACE AND INTERFACE ANALYSIS 32.1(2001):275-277.
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