Voltage recovery in intermediate band solar cells

▶ An InAs/GaAs quantum dot intermediate band solar cell (IBSC) and a GaAs control solar cell are designed and fabricated. ▶ A novel characterization technique consisting of low temperature and concentrated light JL-VOC is implemented. ▶ The IBSC and the control cell are measured with this technique. ▶ Phenomenon known as “voltage preservation” in an IBSC is experimentally demonstrated.