2020
DOI: 10.1039/d0dt01464h
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Mirror-image magnetic circularly polarized luminescence (MCPL) from optically inactive EuIII and TbIIItris(β-diketonate)

Abstract: Five optically inactive EuIII and TbIII complexes with achiral organic ligands revealed north-up/south-up magnet geometry dependent mirror-image magnetic circularly polarized luminescence in solutions, in films and bulk powder under 1.6 Tesla.

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Cited by 35 publications
(16 citation statements)
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“…More importantly, other than the intrinsic CPL properties, we further examined the effect of an external magnetic field on our compounds. This work builds on earlier publications of Riehl and Richardson, both of them studied the induced MCPL under static external magnetic field from naturally optically inactive probes, and lately by Yoshikawa et al [23–25] . As postulated, applying an external magnetic field induced stronger CPL signals and higher g lum values were obtained for EuL2 – 7 with obvious trends in MCPL enhancement, making these Eu III complexes suitable as magneto‐optical probes [26, 27] …”
Section: Introductionsupporting
confidence: 66%
See 1 more Smart Citation
“…More importantly, other than the intrinsic CPL properties, we further examined the effect of an external magnetic field on our compounds. This work builds on earlier publications of Riehl and Richardson, both of them studied the induced MCPL under static external magnetic field from naturally optically inactive probes, and lately by Yoshikawa et al [23–25] . As postulated, applying an external magnetic field induced stronger CPL signals and higher g lum values were obtained for EuL2 – 7 with obvious trends in MCPL enhancement, making these Eu III complexes suitable as magneto‐optical probes [26, 27] …”
Section: Introductionsupporting
confidence: 66%
“…[21] Theq uantum yields of EuL2-7 improved significantly compared with the achiral EuL1 due to the modified chiral DOTA chelators. [22] More importantly,other than the intrinsic CPL properties, we further examined the effect of an external magnetic field on our compounds.This work builds on earlier publications of Riehl and Richardson, both of them studied the induced MCPL under static external magnetic field from naturally optically inactive probes,a nd lately by Yoshikawa et al [23][24][25] As postulated, applying an external magnetic field induced stronger CPL signals and higher g lum values were obtained for EuL2-7 with obvious trends in MCPL enhancement, making these Eu III complexes suitable as magneto-optical probes. [26,27] With these promising results,weattempted to enhance the biocompatibility of these Eu III complexes.A saproof of concept, acell penetrating peptoid (CPPo) was introduced to the carboxylic linker handle on the chromophore.T his is use to show the functionalisation capabilities for developing more robust and specific probes that can be used for tracking specific cellular organelles in biological imaging.…”
Section: Introductionsupporting
confidence: 60%
“…Recently, Imai, Fujiki, and coworkers verified mirror symmetrical MCPL characteristics from diamagnetic achiral organic and racemic lanthanide luminophores. These luminophores radiate land r-CP light upon unpolarized light at north-up and south-up Faraday geometry [92][93][94]. However, it is obscure whether mirror symmetrical MCPL arises from Zeeman splitting of degenerate molecular orbitals in the ground states or in the photoexcited states because a comparison with the corresponding MCD spectra is not elucidated yet.…”
Section: Static Magnetic Field With Polarized Lightmentioning
confidence: 99%
“…Fujiki, Imai, and coworkers reported magnetic circularly polarized luminescence with mirror image profiles from optically inactive Eu III and Tb III complexes. 132 The signs of these signals were decided by S-up and N-up geometries in the complexes. (Figure 25).…”
Section: Molecular Machine and Molecular Functionmentioning
confidence: 99%