ICCAS OpenIR
Influence of Deoxyribose Group on Self-Assembly of Thymidine on Au(111)
Yang, Bing1; Wang, Yeliang1; Li, Guo1; Cun, Huanyao1; Ma, Ying2; Du, Shixuan1; Xu, Mingchun1; Song, Yanlin2; Gao, H. -J.1
2009-10-15
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
Volume113Issue:41Pages:17590-17594
AbstractUsing scanning tunneling microscopy (STM), we investigate the self-assembled structures and current-induced phase transition of one nucleoside species, thymidine (TD) on Au(111). By comparing the previous work on DNA nucleic acid base thymine on the same surface, we find that the deoxyribose groups of TD molecules remarkably enhance the intermolecular interaction and drive the formation of a dimer structure even at low temperature. At room temperature, TD molecules aggregate into well-ordered dimer islands. A two-dimensional (2D3) gas-like phase of mobile TD molecules is also found surrounding the islands, and it can be transformed into the dimer structure. Furthermore, a new phase, a parallel-line structure, was observed gradually developing around the dimer domains under consecutive scanning. These molecular lines can be produced from both the gas-like phase and the dimer. First-principle calculations illustrate the optimized molecular superstructures in both phases.
DOI10.1021/jp906944c
Indexed BySCI
Language英语
WOS IDWOS:000270459900002
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/67764
Collection中国科学院化学研究所
Corresponding AuthorGao, H. -J.
Affiliation1.Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Yang, Bing,Wang, Yeliang,Li, Guo,et al. Influence of Deoxyribose Group on Self-Assembly of Thymidine on Au(111)[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2009,113(41):17590-17594.
APA Yang, Bing.,Wang, Yeliang.,Li, Guo.,Cun, Huanyao.,Ma, Ying.,...&Gao, H. -J..(2009).Influence of Deoxyribose Group on Self-Assembly of Thymidine on Au(111).JOURNAL OF PHYSICAL CHEMISTRY C,113(41),17590-17594.
MLA Yang, Bing,et al."Influence of Deoxyribose Group on Self-Assembly of Thymidine on Au(111)".JOURNAL OF PHYSICAL CHEMISTRY C 113.41(2009):17590-17594.
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