ICCAS OpenIR
On the topography multiplicity of non-planar titanyl(IV) phthalocyanine molecules and the STM imaging mechanism
Kong, Xiang-Hua2,3; Yang, Yan-Lian1; Lei, Sheng-Bin1; Wang, Chen1
2008-02-01
Source PublicationSURFACE SCIENCE
ISSN0039-6028
Volume602Issue:3Pages:684-692
AbstractTitanyl phthalocyanine (TiOPc) molecules exhibit topography multiplicity in their two-dimensional self-assembled adlayers on highly oriented pyrolytic graphite (HOPG) surfaces and Au(111) substrates when imaged by scanning tunneling microscopy (STM). TiOPc molecules show various shapes while the packing arrangements preserve hexagonal symmetries in the STM images, which is unique in comparison with other metallophthalocyanines that mostly appear as fourfold shapes. Furthermore, the individual TiOPc molecules isolated by 1,3,5-tris(10-carboxydecyloxy)benzene (TCDB) cavities appear characteristic fourfold shaped features. The origin of the topography multiplicity in homogenous TiOPc adlayers with hexagonal symmetries is suggested to be associated with three possible reasons: the immediate environment of the packing structure, the distortion of the adsorption configuration or deformation of the adsorbed macrocyclic molecules, and the inverse imaging effect due to titanyl groups acting as the effective tip structures. (C) 2007 Elsevier B.V. All rights reserved.
KeywordScanning Tunneling Microscopy Self-assembly Surface Structure And Topography Inverse Imaging
DOI10.1016/j.susc.2007.11.027
Indexed BySCI
Language英语
WOS IDWOS:000253783400005
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/64408
Collection中国科学院化学研究所
Corresponding AuthorWang, Chen
Affiliation1.Natl Ctr Nanosci & Technol, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Kong, Xiang-Hua,Yang, Yan-Lian,Lei, Sheng-Bin,et al. On the topography multiplicity of non-planar titanyl(IV) phthalocyanine molecules and the STM imaging mechanism[J]. SURFACE SCIENCE,2008,602(3):684-692.
APA Kong, Xiang-Hua,Yang, Yan-Lian,Lei, Sheng-Bin,&Wang, Chen.(2008).On the topography multiplicity of non-planar titanyl(IV) phthalocyanine molecules and the STM imaging mechanism.SURFACE SCIENCE,602(3),684-692.
MLA Kong, Xiang-Hua,et al."On the topography multiplicity of non-planar titanyl(IV) phthalocyanine molecules and the STM imaging mechanism".SURFACE SCIENCE 602.3(2008):684-692.
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