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Enhancement of a two-photon-induced reaction in solution using light-harvesting gold nanodimer structures

  • Botao Wu
  • , Kosei Ueno
  • , Yukie Yokota
  • , Kai Sun
  • , Heping Zeng
  • , Hiroaki Misawa*
  • *Corresponding author for this work
  • Hokkaido University
  • East China Normal University
  • Japan Science and Technology Agency

Research output: Contribution to journalArticlepeer-review

Abstract

We performed a quantitative analysis of plasmon-assisted two-photon photochromic reactions on light-harvesting gold nanodimer structures. Our strategy for the quantitative analysis of two-photon-induced photochemical reactions on gold nanostructures is using not only a confined photochemical reaction chamber but also a solution system. The strong intensification of near-field light at the nanogap positions on gold nanodimer pairs promoted two-photon absorption by a closed-form diarylethene derivative, resulting in highly efficient photochromic conversion to the open-form structure.

Original languageEnglish
Pages (from-to)1443-1447
Number of pages5
JournalJournal of Physical Chemistry Letters
Volume3
Issue number11
DOIs
StatePublished - 7 Jun 2012
Externally publishedYes

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