Kang’s work entitled “Suppressing phase disproportionation in quasi-2D perovskite light-emitting diodes” has been published in Nature Communications. Congratulations!
We demonstrate that extending the π-conjugation length and increasing the cross-sectional area of the organic semiconducting ligand enables perovskite thin films with dramatically suppressed ion transport, narrowed phase distributions, reduced defect densities, and enhanced radiative recombination efficiencies. Consequently, we achieved efficient and stable deep-red light-emitting diodes with a peak EQE of 26.3% and a half-life of ~220 h under a constant current density of 0.1 mA/cm2. Read the story here and Purdue News Release here.
Letian Dou Group 