Abstract: In this work, the time spectrum of the photoelectrons decay in sulfur-sensitized AgCl microcrystals was measured by microwave absorption dielectric spectrum technique. A kinetics model of sulfur-sensitized AgCl microcrystals is proposed based on the experimental results. The concentrations and depths of electron trap are obtained by computer solves the equations of photoelectron decay dynamics which induced from the model. It is found that traps depth remain unchanged (0.201 eV), and the traps concentration increase with the increasing of sensitization time, which is 7.5 × 10-6 with sensitizing time of 75 min and 3×10-6 with sensitizing time of 60 min. The conclusions can offer help for studying the characteristics of other crystals.

Key words: In this work, the time spectrum of the photoelectrons decay in sulfur-sensitized AgCl microcrystals was measured by microwave absorption dielectric spectrum technique. A kinetics model of sulfur-sensitized AgCl microcrystals is proposed based on the experimental results. The concentrations and depths of electron trap are obtained by computer solves the equations of photoelectron decay dynamics which induced from the model. It is found that traps depth remain unchanged (0.201 eV), and the traps concentration increase with the increasing of sensitization time, which is 7.5 × 10-6 with sensitizing time of 75 min and 3×10-6 with sensitizing time of 60 min. The conclusions can offer help for studying the characteristics of other crystals.