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|Title:||Pushing pentacene-based fluorescence to the near-infrared region by platination|
|Source:||Nguyen, M.-H., Yip, J.H.K. (2011-12-12). Pushing pentacene-based fluorescence to the near-infrared region by platination. Organometallics 30 (23) : 6383-6392. ScholarBank@NUS Repository. https://doi.org/10.1021/om2005645|
|Abstract:||A series of binuclear platinum complexes of pentacenyl-6,13-diacetylide with different auxiliary ligands were synthesized to probe the effect of metal coordination on electronic spectroscopy and photophysics, to determine the solid-state packing of the complexes, and to tune emission energy. The complexes with anionic, π-donating ligands showed absorption (687-696 nm) and fluorescence (710-726 nm) lower in energy than those with neutral, π-accepting ligands (662-666, 675-686 nm). Our work showed that coordination of Pt ions with π-donating anionic ligands to pentacenyl-6,13-diacetylide could move the fluorescence of the organic chromophore to the near-infrared region (λem 710-726 nm). The combined perturbations of alkynation and platination lowered the HOMO → LUMO transition up to 0.34 eV. © 2011 American Chemical Society.|
|Appears in Collections:||Staff Publications|
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