Room-temperature quantum emission from $\mathrm{C}{\mathrm{u}}_{\mathrm{Zn}}$-${\mathrm{V}}_{\mathrm{S}}$ defects in ZnS:Cu colloidal nanocrystals

Yossef E. Panfil, Sarah M. Thompson, Gary Chen +3

We report room-temperature observations of $\mathrm{C}{\mathrm{u}}_{\mathrm{Zn}}$-${\mathrm{V}}_{\mathrm{S}}$ quantum emitters in individual ZnS:Cu nanocrystals (NCs). Using time-gated imaging, we isolate the di…