Investigation of lanthanide sandwich nanoclusters encapsulated with a cyclo-olefin polymer as a gas barrier

Eika Tsunemi, Takashi Tsuji, Suguru Fukazawa, Hironori Tsunoyama, Yoshio Watanabe, Atsushi Nakajima

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Lanthanide nanoclusters ligated by planar organic molecules have one-dimensional sandwich structures and are air/moisture sensitive. To investigate their optical properties, originating from the lanthanide elements, for novel nanodevices, we preserved the nanoclusters with a cycloolefin polymer as a gas barrier. The technique enabled us to conduct various spectroscopic analyses without oxidation of the samples, such as fluorescence microscopy, photoluminescence, and X-ray absorption fine structure determination, thus revealing that lanthanide sandwich nanoclusters containing europium (Eu) atoms exhibit orange fluorescence attributed to divalent Eu 2+.

Original languageEnglish
Article number035202
JournalApplied Physics Express
Volume5
Issue number3
DOIs
Publication statusPublished - 2012 Mar 1

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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