Photodetectors: Controlled Substitution of Chlorine for Iodine in Single-Crystal Nanofibers of Mixed Perovskite MAPbI_3-xCl_x(Small 28/2016)

On page 3780, Q. Liao, H. Fu, and co-workers report a facile one-step solution self-assembly method for synthesizing single-crystalline nanofibers of MAPbI3-xClx, in which substitution of Cl for I takes place at Iflank positions of the halide-octahedra in ab plane of perovskite tetragonal-lattice with Cl concentration from 0 to 25%. All single NF-based devices exhibit excellent photoresponse characteristics under the white-light illumination.