Optical spectroscopy as a tool for studying the solution chemistry of neodymium(iii)

Abstract

In nature, the elements of the inorganic part of the periodic table are found in three forms: metals, ions in salts & minerals, and ions in solution. The ions may...

Mapping the distribution of electronic states within the 5D4 and 7F6 levels of Tb3+ complexes with optical spectroscopy

“…Over the last decade, we have used molecular photophysics to revisit the electronic structure of several lanthanide ions. 23,[29][30][31][32][33][34][35][36][37][38][39][40] Due to the reasons laid out above, the focus has been on Eu(III) in particular, where the correlation between molecular structure and photophysics has been investigated in detail for both sensitized europium luminescence, 31,41,42 and direct excitation. 29,36,37 While others have aimed to optimize e.g.…”

Temperature-dependent NIR-CPL spectra of chiral Yb(iii) complexes

“…This splitting of degenerate levels, known as crystal-field splitting (CFS), is related to the symmetry of the complex and plays a crucial role in the interpretation of molecular magnetic and luminescence properties. 16–19 Furthermore, CFS has a substantial yet largely overlooked impact on CPL. While Eu( iii ) is the simplest case due to its non-degenerate 5 D 0 emissive state, in all other Ln( iii ) ions, the emissive state displays a distinct CFS.…”

Step-Wise Changes in the Excited State Lifetime of [Eu(D2O)9]3+ and [Eu(DOTA)(D2O)]- as a Function of the Number of Inner-Sphere O-H Oscillators

“…However, the processes giving rise to the luminescence intensity is not fully understood. 9 As in all photophysics, lanthanide luminescence is governed by a competition of rates. 10 For lanthanides, the main pathways of deactivation from the emitting state is spontaneous emission (kr) and non-radiative energy transfer (knr), divided into quenching (kq) and other non-radiative processes (kother).…”