Macrocyclic Diacetylene / Sulfonate Fluorophore Hierarchical Multifunctional Nanotoroids

Nila Nandha Kadamannil, Daewoong Jang, Haksu Lee, Jong Man Kim, Raz Jelinek

Research output: Contribution to journalArticlepeer-review

Abstract

Functional supramolecular materials exhibit important features including structural versatility and versatile applications. Here, this study reports the construction of unique hierarchically organized nanotoroids exhibiting fluorescence, photocatalytic, and sensing properties. The nanotoroids comprise of macrocyclic diacetylenes (MCDA) and 8-anilino-1-naphthalene sulfonate (ANS), a negatively charged aromatic fluorescent dye. This study shows that the hierarchical structure of the nanotoroids consist of MCDA nanofibers formed by stacked diacetylene monomers as the basic units, which are further bent and aligned into toroidal organization by electrostatic and hydrophobic interactions with the ANS molecules. The amine moieties on the nanotoroids surface are employed for deposition of gold nanostructures – Au nanoparticles or Au nanosheets – which constitute effective platforms for photocatalysis and surface enhanced Raman scattering (SERS)-based sensing.

Original languageEnglish
JournalSmall Methods
DOIs
StateAccepted/In press - 1 Jan 2024

Keywords

  • hierarchical assembly
  • nanotoroids
  • photocatalysis
  • polydiacetylene
  • self-assembly
  • soft nanostructures
  • surface enhanced raman scattering (sers) sensing

ASJC Scopus subject areas

  • General Chemistry
  • General Materials Science

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