Monodispersed and size-controlled diarylethene nanoparticles fabricated by the reprecipitation method

Norio Tagawa, Akito Masuhara, Hitoshi Kasai, Hachiro Nakanishi, Hidetoshi Oikawa

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

We succeeded in fabrication of monodispersed diarylethene nanoparticles using the reprecipitation method and controlling nanoparticle size in the range of 40nm to 250nm by changing concentration of the injected solution and viscosity of good solvent. The obtained nanoparticles exhibited photochromism by alternate irradiation of UV and visible light. In addition, the red-shift of characteristic peak position (around λ = 570nm) of closed-DAE nanoparticles was observed with increasing nanoparticle size, which was attributable to the strained molecular structure.

Original languageEnglish
Pages (from-to)245/[521]-250/[526]
JournalMolecular crystals and liquid crystals
Volume520
DOIs
Publication statusPublished - 2010 Jan

Keywords

  • Diarylethene
  • Organic nanoparticle
  • Photochromism
  • Reprecipitation method

ASJC Scopus subject areas

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

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