Ultra-high stacks of InGaAs/GaAs quantum dots for high efficiency solar cells Takeyoshi Sugaya ,  Osamu Numakami ,  Ryuji Oshima ,  Shigenori Furue ,  Hironori Komaki ,  Takeru Amano ,  Koji Matsubara ,  Yoshinobu Okano and Shigeru Niki
1. Tokyo City University, 1-28-1 Tamazutsumi, Setagaya-ku, Japan
Energy Environ. Sci., 2012, 5, 6233-6237