[14p-P21-1~27] 13.10 Compound solar cells

[14p-P21-27] Investigation of Hot Carrier Transportation Dynamics in InAs/GaAs Quantum Dot Solar Cell

〇(M2)Kodai Nii¹, Yuta Minami¹, Katsuyoshi Sakamoto¹, Tomah Sogabe², Koichi Yamaguchi¹, Yoshitaka Okada³ (1.Univ. Electro-Comm., 2.i-PERC, 3.Univ. Tokyo)

Keywords:semiconductor, quantum dot solar cells, hot carrier

In this work, we investigated the hot carrier dynamics in InAs/GaAs quantum dot solar cell (QDSC). A numerical simulation of hot carrier transport dynamics by hydrodynamic energy transport model (HETM) including the energy distribution of the carrier was compared with the results of the conventional drift-diffusion model (DDM). In the experiment, the solar cell structure with or without InAs/GaAs QD layer prepared by MBE, compared with the simulation results, we report a study about the separation and transport dynamics of hot carriers.