Network of tris(porphyrinato)cerium(III) arranged on the herringbone structure of an Au(111) surface

Hiroyuki Tanaka; Tomohiro Ikeda; Kousei Yamashita; Masayuki Takeuchi; Seiji Shinkai; Tomoji Kawai

doi:10.1021/la902019s

Network of tris(porphyrinato)cerium(III) arranged on the herringbone structure of an Au(111) surface

Hiroyuki Tanaka, Tomohiro Ikeda, Kousei Yamashita, Masayuki Takeuchi, Seiji Shinkai, Tomoji Kawai

Institute for Advanced Study

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

A network of bithiophene-modified tris(porphyrinato)cerium(III) triple-decker (TD) complexes was formed by pulse injection depositing on the Au(IIl) surface. The structure was observed with ultrahigh vacuum scanning tunneling microscopy (UHV-STM). High resolution UHV-STM images revealed the details of network structure of TD and the internal structure of both bithiophene and porphyrin moieties, indicating that the TD complexes undergo face-on adsorption. The alkyl chains on these bithiophenes not only make the TD molecules soluble in organic solvents, but also play a key role in preventing them from forming bonds between the thiophenes and the Au substrate, which enables the porphyrin molecular surface to be perpendicular to the substrate. These results suggest that the thiophene moiety can be used to control the adsorption and assembly of molecules on the herringbone structure of the Au(111) surface.

Original language	English
Pages (from-to)	210-214
Number of pages	5
Journal	Langmuir
Volume	26
Issue number	1
DOIs	https://doi.org/10.1021/la902019s
Publication status	Published - Jan 5 2010

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics
Surfaces and Interfaces
Spectroscopy
Electrochemistry

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10.1021/la902019s

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title = "Network of tris(porphyrinato)cerium(III) arranged on the herringbone structure of an Au(111) surface",

abstract = "A network of bithiophene-modified tris(porphyrinato)cerium(III) triple-decker (TD) complexes was formed by pulse injection depositing on the Au(IIl) surface. The structure was observed with ultrahigh vacuum scanning tunneling microscopy (UHV-STM). High resolution UHV-STM images revealed the details of network structure of TD and the internal structure of both bithiophene and porphyrin moieties, indicating that the TD complexes undergo face-on adsorption. The alkyl chains on these bithiophenes not only make the TD molecules soluble in organic solvents, but also play a key role in preventing them from forming bonds between the thiophenes and the Au substrate, which enables the porphyrin molecular surface to be perpendicular to the substrate. These results suggest that the thiophene moiety can be used to control the adsorption and assembly of molecules on the herringbone structure of the Au(111) surface.",

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AU - Tanaka, Hiroyuki

AU - Ikeda, Tomohiro

AU - Yamashita, Kousei

AU - Takeuchi, Masayuki

AU - Shinkai, Seiji

AU - Kawai, Tomoji

PY - 2010/1/5

Y1 - 2010/1/5

N2 - A network of bithiophene-modified tris(porphyrinato)cerium(III) triple-decker (TD) complexes was formed by pulse injection depositing on the Au(IIl) surface. The structure was observed with ultrahigh vacuum scanning tunneling microscopy (UHV-STM). High resolution UHV-STM images revealed the details of network structure of TD and the internal structure of both bithiophene and porphyrin moieties, indicating that the TD complexes undergo face-on adsorption. The alkyl chains on these bithiophenes not only make the TD molecules soluble in organic solvents, but also play a key role in preventing them from forming bonds between the thiophenes and the Au substrate, which enables the porphyrin molecular surface to be perpendicular to the substrate. These results suggest that the thiophene moiety can be used to control the adsorption and assembly of molecules on the herringbone structure of the Au(111) surface.

AB - A network of bithiophene-modified tris(porphyrinato)cerium(III) triple-decker (TD) complexes was formed by pulse injection depositing on the Au(IIl) surface. The structure was observed with ultrahigh vacuum scanning tunneling microscopy (UHV-STM). High resolution UHV-STM images revealed the details of network structure of TD and the internal structure of both bithiophene and porphyrin moieties, indicating that the TD complexes undergo face-on adsorption. The alkyl chains on these bithiophenes not only make the TD molecules soluble in organic solvents, but also play a key role in preventing them from forming bonds between the thiophenes and the Au substrate, which enables the porphyrin molecular surface to be perpendicular to the substrate. These results suggest that the thiophene moiety can be used to control the adsorption and assembly of molecules on the herringbone structure of the Au(111) surface.

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Network of tris(porphyrinato)cerium(III) arranged on the herringbone structure of an Au(111) surface

Abstract

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