{Design|Style|Design and style} of Active Defects in Semiconductors: 3D Electron Diffraction Revealed Novel Organometallic Lead Bromide Phases Containing Ferrocene as Redox Switches
{Once|As soon as|When|After} the optical, electronic or photocatalytic properties of a semiconductor are set by adjusting composition, crystal phase and morphology, {one|1|a single|one particular} {cannot|can’t|can not} {change|alter|modify|adjust|transform} them {anymore|any longer},…