Jump to main content
Jump to site search

Issue 30, 2019
Previous Article Next Article

Chiral luminescent lanthanide complexes possessing strong (samarium, SmIII) circularly polarised luminescence (CPL), and their self-assembly into Langmuir–Blodgett films

Author affiliations

Abstract

The lanthanide directed self-assembly of chiral amphiphilic 2,6-pyridinedicarboxylic acid based ligands 1 and 2 with various Ln(CF3SO3)3 (Ln = TbIII, SmIII, LuIII, DyIII) salts was studied in CH3CN and evaluated with the expected 1 : 3 and 1 : 1 Ln : Ligand species forming in solution. Ligand chirality was retained and transferred, as depicted by circular dichroism (CD) and circularly polarised luminescence (CPL) measurements (for TbIII and SmIII), to the lanthanide centre upon complexation with high dissymmetry factor values for the SmIII complexes obtained (glum = −0.44 and 0.29 and 0.45 and −0.23 for the 4G5/26H5/2 and the 4G5/26H7/2 transitions of Sm·13 and Sm·23, respectively). The ability of the complexes to form stable Langmuir monolayers at the air–water interface was also established while Langmuir–Blodgett films of Tb·L3 and Sm·L3 exhibited lanthanide luminescent emission.

Graphical abstract: Chiral luminescent lanthanide complexes possessing strong (samarium, SmIII) circularly polarised luminescence (CPL), and their self-assembly into Langmuir–Blodgett films

Back to tab navigation

Supplementary files

Publication details

The article was received on 14 May 2019, accepted on 27 Jun 2019 and first published on 27 Jun 2019


Article type: Paper
DOI: 10.1039/C9DT02003A
Dalton Trans., 2019,48, 11317-11325

  •   Request permissions

    Chiral luminescent lanthanide complexes possessing strong (samarium, SmIII) circularly polarised luminescence (CPL), and their self-assembly into Langmuir–Blodgett films

    D. E. Barry, J. A. Kitchen, L. Mercs, R. D. Peacock, M. Albrecht and T. Gunnlaugsson, Dalton Trans., 2019, 48, 11317
    DOI: 10.1039/C9DT02003A

Search articles by author

Spotlight

Advertisements