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231223s2007 xx ||||| 00| ||eng c |
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|a pubmed24n0559.xml
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|a (DE-627)NLM167571753
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|a (NLM)17209638
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Yoshimoto, Soichiro
|e verfasserin
|4 aut
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|a Formation of supramolecular nanobelt arrays consisting of cobalt(II) "picket-fence" porphyrin on Au surfaces
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|c 2007
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|2 rdacarrier
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|a Date Completed 17.07.2007
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|a Date Revised 09.01.2007
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Adlayers of cobalt(II) 5,10,15,20-tetrakis(alpha,alpha,alpha,alpha-2-pivalamidophenyl)porphyrin (CoTpivPP) were prepared by immersing either Au(111) or Au(100) substrate in a benzene solution containing CoTpivPP molecules, and they were investigated in 0.1 M HClO4 and 0.1 M H2SO4 by cyclic voltammetry and in situ scanning tunneling microscopy (STM). The adlayer structure and electrochemical properties of CoTpivPP are compared to those of 5,10,15,20-tetraphenyl-21H,23H-porphine cobalt(II) (CoTPP). Characteristic nanobelt arrays consisting of CoTpivPP molecules were produced on both Au(111) and Au(100) surfaces. The stability of the nanobelt arrays was controlled by manipulating the electrode potential. On the other hand, the formation of nanobelt arrays consisting of O2-adducted CoTpivPP molecules depended upon the crystallographic orientation of Au. The state of O2 trapped in the cavity of CoTpivPP was distinctly observed in STM images as a bright spot in the nanobelt array formed on reconstructed Au(100)-(hex) surface, but not on Au(111) surface. This result suggests that the arrangement of underlying Au atoms plays an important role in the formation of nanobelt arrays with the sixth ligand coordination
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|a Journal Article
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1 |
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|a Sato, Kazuhiro
|e verfasserin
|4 aut
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1 |
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|a Sugawara, Shoko
|e verfasserin
|4 aut
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|a Chen, Yu
|e verfasserin
|4 aut
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| 700 |
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|a Ito, Osamu
|e verfasserin
|4 aut
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| 700 |
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|a Sawaguchi, Takahiro
|e verfasserin
|4 aut
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| 700 |
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|a Niwa, Osamu
|e verfasserin
|4 aut
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| 700 |
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|a Itaya, Kingo
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 23(2007), 2 vom: 16. Jan., Seite 809-16
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:23
|g year:2007
|g number:2
|g day:16
|g month:01
|g pages:809-16
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|d 23
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|e 2
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|h 809-16
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