Effect of gold nanoparticle on photon upconversion based on sensitized triplet–triplet annihilation in polymer films

Hiroaki Yonemura, Yuji Naka, Mitsuhiro Nishino, Hiroshi Sakaguchi, Sunao Yamada

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Effect of gold nanoparticle (AuNP) on photon upconversion based on sensitized triplet-triplet annihilation (PUC-TTA) were examined in the system of platinum(II) octaethylporphyrin (PtOEP) and 9,10-diphenylanthracene (DPA), when AuNPs were incorporated into polymer thin films containing PtOEP and DPA. The enhancements of the upconversion fluorescence from DPA and the phosphorescence of PtOEP were observed in the presence of AuNP. The enhancements were varied with AuNP loading and the maximum of enhancements was obtained at the AuNP loading (3.0%). The enhancements of PUC-TTA are most likely attributable to large electric fields due to localized surface plasmon resonance of AuNP.

Original languageEnglish
Pages (from-to)196-200
Number of pages5
JournalMolecular Crystals and Liquid Crystals
Volume654
Issue number1
DOIs
Publication statusPublished - Sep 2 2017

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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