Collaborative research group of Dr. Yoshitane Imai (Kindai University), Dr. Suguru Ito, and Prof. Masatoshi Asami (YOKOHAMA National University) successfully prepared a novel chiral N,N'-dipyrenyldiamine organic fluorophore which can switch both rotation direction and color of circularly polarized luminescence (CPL). This study was published in Chemical Communications (RSC) and was selected as the Back Cover. DOI: 10.1039/c7cc01351e

Article title： Concentration-dependent circularly polarized luminescence (CPL) of chiral N,N'-dipyrenyldiamines: sign-inverted CPL switching between the monomer and excimer region under retention of the monomer emission for the photoluminescence