Yoshitaka Okada

Intermediate band solar cells: Recent progress and future directions

Yoshitaka Okada, Nicholas J. Ekins‐Daukes, Takashi Kita et al. · Applied Physics Reviews · 2015 · 369 citations

Materials Science, Ii-vi Semiconductor, Electrical Engineering +11

Strain-compensated InAs/GaNAs quantum dots for use in high-efficiency solar cells

Ryuji Oshima, Ayami Takata, Yoshitaka Okada · Applied Physics Letters · 2008 · 311 citations

Materials Science, Wide-bandgap Semiconductor, Electrical Engineering +14

Increase in photocurrent by optical transitions via intermediate quantum states in direct-doped InAs/GaNAs strain-compensated quantum dot solar cell

Yoshitaka Okada, Takayuki Morioka, Katsuhisa Yoshida et al. · Journal of Applied Physics · 2011 · 231 citations

Wide-bandgap Semiconductor, Quantum Science, Electrical Engineering +14

Novel materials for high-efficiency III–V multi-junction solar cells

Masafumi Yamaguchi, Kenichi Nishimura, Takuo Sasaki et al. · Solar Energy · 2007 · 155 citations

Materials Science, Electrical Engineering, Engineering +7

Fabrication of ultra-high density InAs-stacked quantum dots by strain-controlled growth on InP(311)B substrate

Kouichi Akahane, Naoki Ohtani, Yoshitaka Okada et al. · Journal of Crystal Growth · 2002 · 133 citations

Materials Science, Engineering, Strain-controlled Growth +9