Morphology transition and aggregation-induced emission of an intramolecular charge-transfer compound

  • Jialiang Xu
  • , Xiaofeng Liu
  • , Jing Lv
  • , Mei Zhu
  • , Changshui Huang
  • , Weidong Zhou
  • , Xiaodong Yin
  • , Huibiao Liu
  • , Yuliang Li*
  • , Jianping Ye
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

146 Citations (Scopus)

Abstract

An intramolecular charge-transfer (ICT) compound, (TCBD) 2OPV3, has been synthesized and fabricated into one-dimensional nanotubes by a reprecipitation method. The observation of SEM and TEM showed the nanotubes were formed from their zero-dimensional precursors of hollow nanospheres. Reconstruction was found to happen during the morphology transition progress. The morphology transition and reconstruction are proposed to be a "curvature strain releasing" process driven by donor-acceptor dipole-dipole interactions. An aggregation-induced emission (AIE) effect was observed for (TCBD)2OPV3. Both aggregates of vesicles and nanotubes were observed to be good red emitters with near-infrared end emission of 750-850 nm, which endows the material with potential applications in the fields of optical devices, biosensors, and biolabels.

Original languageEnglish
Pages (from-to)4231-4237
Number of pages7
JournalLangmuir
Volume24
Issue number8
DOIs
Publication statusPublished - 15 Apr 2008
Externally publishedYes

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