Home node An edge article of Prof. C S Lee and his collaborator entitled "De novo design of D–σ–A molecules as universal hosts for monochrome and white phosphorescent organic light-emitting diodes" has been published in the Royal Society of Chemistry An edge article of Prof. C S Lee and his collaborator entitled "De novo design of D–σ–A molecules as universal hosts for monochrome and white phosphorescent organic light-emitting diodes" has been published in the Royal Society of Chemistry 19 Apr 2018