Control of molecular selective-assembling on metal surface

Takashi Yokoyama, Toshiya Kamikado, Shiyoshi Yokoyama, Yoshishige Okuno, Shinro Mashiko

研究成果: 著書/レポートタイプへの貢献

抄録

The realization of molecular nanodevices with advanced functions requires the development of new approaches to construct desired molecular nanostructures. Supramolecular approach starting from molecular building blocks can lead to controlled structures, which is achieved by selective and directional intermolecular interactions. When noncovalent intermolecular interactions, such as hydrogen bonding, are introduced into functional molecules, the selective intermolecular interaction results in the controlled formation of molecular nanostructures yielding exclusive crystals or dissolved structures. To adapt the functional supramolecular structures to nanodevices, it is necessary for the supramolecular structures to be supported on suitable substrates and at suitable positions. Although these surface-supported supramolecular structures have been directly observed using scanning tunneling microscopy (STM), the further control of their size and shape on surfaces should become a next step for realizing molecular nanodevices. This chapter demonstrates selective assembly of supramolecular aggregates with controlled size and shape on a gold surface by modifying substituent structures. The controlled aggregation of porphyrins has succeeded on a gold surface, which was visualized by low-temperature STM. On this surface, monomer, trimer, tetramer, or wire-like arrangements were controlled by local substituent interactions, and these structures were spontaneously and selectively formed by changing substituents. The selective aggregation approach should become a general strategy for the rational design and construction of desired molecular architectures on substrate surfaces.

元の言語英語
ホスト出版物のタイトルNanotechnology and Nano-Interface Controlled Electronic Devices
出版者Elsevier B.V.
ページ49-61
ページ数13
ISBN(印刷物)9780444510914
DOI
出版物ステータス出版済み - 1 1 2003
外部発表Yes

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assembling
metal surfaces
scanning tunneling microscopy
interactions
gold
trimers
porphyrins
monomers
assembly
wire
hydrogen
crystals
molecules

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

これを引用

Yokoyama, T., Kamikado, T., Yokoyama, S., Okuno, Y., & Mashiko, S. (2003). Control of molecular selective-assembling on metal surface. : Nanotechnology and Nano-Interface Controlled Electronic Devices (pp. 49-61). Elsevier B.V.. https://doi.org/10.1016/B978-044451091-4/50006-6

Control of molecular selective-assembling on metal surface. / Yokoyama, Takashi; Kamikado, Toshiya; Yokoyama, Shiyoshi; Okuno, Yoshishige; Mashiko, Shinro.

Nanotechnology and Nano-Interface Controlled Electronic Devices. Elsevier B.V., 2003. p. 49-61.

研究成果: 著書/レポートタイプへの貢献

Yokoyama, T, Kamikado, T, Yokoyama, S, Okuno, Y & Mashiko, S 2003, Control of molecular selective-assembling on metal surface. : Nanotechnology and Nano-Interface Controlled Electronic Devices. Elsevier B.V., pp. 49-61. https://doi.org/10.1016/B978-044451091-4/50006-6
Yokoyama T, Kamikado T, Yokoyama S, Okuno Y, Mashiko S. Control of molecular selective-assembling on metal surface. : Nanotechnology and Nano-Interface Controlled Electronic Devices. Elsevier B.V. 2003. p. 49-61 https://doi.org/10.1016/B978-044451091-4/50006-6
Yokoyama, Takashi ; Kamikado, Toshiya ; Yokoyama, Shiyoshi ; Okuno, Yoshishige ; Mashiko, Shinro. / Control of molecular selective-assembling on metal surface. Nanotechnology and Nano-Interface Controlled Electronic Devices. Elsevier B.V., 2003. pp. 49-61
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