Contents: (Small 10/2016)

Synthesis of highly mono-dispersed large PbS nanocrystals (NCs) with low particle size dispersion is demonstrated by F. So and co-workers on page 1328, by controlling the sulfur concentration below the nucleation threshold during multiple injections of the sulfur precursor.These NCs are used to fabricate multi-spectral photodetectors and high detectivity values in the UV-Visible-SWIR (short-wave-IR) wavelength range from 350 nm to 2000 nm are demonstrated.