About OKADA YOSHITAKA
About 東大 先端科学技術研究セ
About レーザー研究
About solar cell
About quantum dot
About energy conversion efficiency
About Sunlight
About superlattice
About active site
About band structure
About band gap
About PIN junction
About Shockley-Queisser limit
About multi-band
About dense
About intermediate band
About trend of research and development
About research direction
About high efficiency
About Solar cell
About 高効率
About 量子ドット
About マルチバンド
About 太陽電池
About 最先端
About 研究
About 動向