Research Article

Eliminating nonradiative decay in Cu(I) emitters: >99% quantum efficiency and microsecond lifetime

See allHide authors and affiliations

Science  08 Feb 2019:
Vol. 363, Issue 6427, pp. 601-606
DOI: 10.1126/science.aav2865

You are currently viewing the editor's summary.

View Full Text

Log in to view the full text

Log in through your institution

Log in through your institution

Helping copper glow

Copper's abundance makes the metal an appealing candidate for luminescence applications. However, many copper complexes tend to decay nonradiatively after photoexcitation. A recently described exception involves a two-coordinate complex that sandwiches the metal between an amide ligand and a carbene ligand. Hamze et al. thoroughly explored this motif and measured a nearly perfect luminescence efficiency. They used this property to produce a prototype blue organic light-emitting diode. The photodynamics appeared largely ligand-centered, with the excited state attributed to copper-facilitated charge transfer from amide to carbene.

Science, this issue p. 601