Hierarchical Self-Assembly of Luminescent Tartrate-Bridged Chiral Binuclear Tb(III) Complexes in Ethanol

Jing Liu, Masa-Aki Morikawa, Hairui Lei, Keita Ishiba, Nobuo Kimizuka

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A new family of supramolecular metalloamphiphiles carrying two metal centers is developed. They are formed by bridging two coordinatively unsaturated lipophilic Tb3+ complexes (TbL+) with chiral dicarboxylate anions. The formation of bridging coordination bonds is confirmed using UV spectroscopy, induced circular dichroism (ICD), increased luminescence intensity of TbL+, and electrospray ionization mass spectrometry (ESIMS) analysis. These supramolecular metalloamphiphiles hierarchically self-assemble in ethanol to give luminescent nanospheres, as observed using transmission electron microscopy (TEM) and scanning electron microscopy (SEM). The two hydroxyl groups introduced in the bridging ligands of [TbL]2(d-/l-tartrate) significantly promote self-assembly by increasing coherent forces via intermolecular hydrogen bonding. The observed self-assembly in ethanol also merits mention because such polar alcoholic media have been unfavorable for conventional molecular self-assemblies. The present approach offers a new molecular design strategy for composable metalloamphiphiles.

Original languageEnglish
Pages (from-to)10597-10603
Number of pages7
JournalLangmuir
Volume32
Issue number41
DOIs
Publication statusPublished - Oct 18 2016

Fingerprint

Self assembly
self assembly
Ethanol
ethyl alcohol
Ligands
ligands
Electrospray ionization
intermolecular forces
Nanospheres
Dichroism
Ultraviolet spectroscopy
Hydroxyl Radical
dichroism
Anions
Mass spectrometry
Luminescence
Hydrogen bonds
Negative ions
mass spectroscopy
Metals

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

Cite this

Hierarchical Self-Assembly of Luminescent Tartrate-Bridged Chiral Binuclear Tb(III) Complexes in Ethanol. / Liu, Jing; Morikawa, Masa-Aki; Lei, Hairui; Ishiba, Keita; Kimizuka, Nobuo.

In: Langmuir, Vol. 32, No. 41, 18.10.2016, p. 10597-10603.

Research output: Contribution to journalArticle

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