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We report on temperature- and excitation-power-dependent photoluminescence(PL) study of CuInS$_{2}$/ZnS nanocrystals dispersed on a SiO$_{2}$/Sisubstrate with a confocal micro-PL system. With increasing the excitation powerat 22 K and room temperature, the PL spectra are blue-shifted because of thestate filling. At low temperature, a small peak is observed at the low energyside of the spectrum, which could be due to the F$\ddot{o}$rster resonanceenergy transfer between different nanocrystals. The integrated PL intensityincreases sublinearly as a function of excitation power with a power factor ofaround 2/3, which demonstrates the Auger recombination dominated process in thenanocrystals, especially under the high excitation power.

Recombination processes in CuInS$_{2}$/ZnS Nanocrystals during steady-state photoluminescence