Anisotropically luminescent hydrogels containing magnetically-aligned MWCNTs-Eu(III) hybrids

Laura Maggini, Mingjie Liu, Yasuhiro Ishida, Davide Bonifazi

Research output: Contribution to journalArticlepeer-review

Abstract

The anisotropic emission properties of an Eu(III)-MWCNTs-based nanocomposite PNIPAAm hydrogel is induced upon application of a 10 T magnetic field, the latter dictating the alignment of the carbon nanotubes. This structuration creates directional highways for light to be preferentially absorbed, giving rise to orientation-dependent light emission intensity. Thermal control of the transparency of the aqueous matrix also allowed a stimulus-induced switching of the materials' emission properties.

Original languageEnglish
Pages (from-to)2462-2467
Number of pages6
JournalAdvanced materials
Volume25
Issue number17
DOIs
Publication statusPublished - 7 May 2013

Keywords

  • anisotropy
  • carbon nanotubes
  • Eu(III) complex
  • lanthanides
  • luminescence
  • magneto-oriented material
  • MWCNTs
  • phase transitions

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