3:45 PM - 4:00 PM ▲ [16p-304-9] Extremely-long electron lifetime in InAs/GaAs/Al0.3Ga0.7As dot-in-well intermediate-band solar cells 〇Shigeo Asahi1, Haruyuki Teranishi1, Toshiyuki Kaizu1, Takashi Kita1 (1.Kobe Univ.)