%0 Journal Article %T Flexible bifacial amorphous Si quintuple‐ and sextuple‐junction solar cells for Internet of Things devices %A Konagai, Makoto %A Noge, Hiroshi %A Ishikawa, Ryousuke %J Progress in Photovoltaics: Research & Applications %V 29 %N 7 %P 668-674 %@ 1062-7995 %D 2021-07-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve