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- W3176543237 endingPage "10146" @default.
- W3176543237 startingPage "10137" @default.
- W3176543237 abstract "The synthesis, characterization, and photophysical properties of 4- and 6-coordinate Bi3+ coordination complexes are reported. Bi(bzq)3 (1) and [Bi(bzq)2]Br (2) (bzq = benzo[h]quinoline) are synthesized by reaction of 9-Li-bzq with BiCl3 and BiBr3, respectively. Absorption spectroscopy, electrochemistry, and DFT studies suggest that 1 has 42% Bi 6s character in its highest-occupied molecular orbital (HOMO) as a result of six σ* interactions with the bzq ligands. Excitation of 1 at 450 nm results in a broad emission feature at 520 nm, which is rationalized as a metal-to-ligand charge transfer (MLCT) and phosphorescent emission resulting from bismuth-mediated intersystem crossing (ISC) to a triplet excited state. This excited state revealed a 35 μs lifetime and was quenched in the presence of oxygen. These results demonstrate that useful optoelectronic properties of Bi3+ can be accessed through hypercoordination with covalent organobismuth interactions that mimic the electronic structure of lead perovskites." @default.
- W3176543237 created "2021-07-05" @default.
- W3176543237 creator A5001582250 @default.
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- W3176543237 creator A5061911981 @default.
- W3176543237 creator A5064553472 @default.
- W3176543237 creator A5077722336 @default.
- W3176543237 date "2021-06-28" @default.
- W3176543237 modified "2023-10-02" @default.
- W3176543237 title "Open for Bismuth: Main Group Metal-to-Ligand Charge Transfer" @default.
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