Chain polymerization of diacetylene compound multilayer films on the topmost surface initiated by a scanning tunneling microscope tip

Daisuke Takajo, Yuji Okawa, Tsuyoshi Hasegawa, Masakazu Aono

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Chain polymerizations of diacetylene compound multilayer films on graphite substrates were examined with a scanning tunneling microscope (STM) at the liquid/solid interface of the phenyloctane solution. The first layer grew very quickly into many small domains. This was followed by the slow formation of the piled up layers into much larger domains. Chain polymerization on the topmost surface layer could be initiated by applying a pulsed voltage between the STM tip and the substrate, usually producing a long polymer of submicrometer length. In contrast, polymerizations on the underlying layer were never observed, This can be explained by a conformation model in which the polymer backbone is lifted up.

Original languageEnglish
Pages (from-to)5247-5250
Number of pages4
JournalLangmuir
Volume23
Issue number10
DOIs
Publication statusPublished - 2007 May 8
Externally publishedYes

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Multilayer films
Microscopes
polymerization
microscopes
Polymerization
Scanning
scanning
Polymers
Graphite
polymers
Substrates
liquid-solid interfaces
Conformations
surface layers
graphite
Liquids
Electric potential
electric potential

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry

Cite this

Chain polymerization of diacetylene compound multilayer films on the topmost surface initiated by a scanning tunneling microscope tip. / Takajo, Daisuke; Okawa, Yuji; Hasegawa, Tsuyoshi; Aono, Masakazu.

In: Langmuir, Vol. 23, No. 10, 08.05.2007, p. 5247-5250.

Research output: Contribution to journalArticle

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