A novel method for creation of free volume in a one-component self-assembled monolayer. Dramatic size effect of para-carborane

Masateru Ito, Tian Xin Wei, Peng Lei Chen, Haruhisa Akiyama, Mutsuyoshi Matsumoto, Kaoru Tamada, Yoshinori Yamamoto

Research output: Contribution to journalArticle

55 Citations (Scopus)

Abstract

We fabricated the self-assembled monolayers (SAMs) composed of 4-(12-(10-mercaptodecyl)-1,12-dicarba-closo-dodecaborane)-4′-octyloxy azobenzene and 4-(10-mercaptodecyloxy)-4′-octyloxyazobenzene on a gold surface, and performed photoswitching experiments. The SAM including p-carborane exhibited a much higher and more reversible photochemical response in comparison with the SAM in the absence of the p-carborane. This result suggests that the free volume of the azobenzene moiety to change its conformation is increased due to the size effect of the p-carborane.

Original languageEnglish
Pages (from-to)478-483
Number of pages6
JournalJournal of Materials Chemistry
Volume15
Issue number4
DOIs
Publication statusPublished - Jan 28 2005
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Chemistry

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