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Organic photovoltaics with high stability sustained for 100 days without encapsulation fabricated using atomic layer deposition
Author(s) -
Park SunYoung,
Seo Hyun Ook,
Kim KwangDae,
Lee Jung Eun,
Kwon JungDae,
Kim Young Dok,
Lim Dong Chan
Publication year - 2012
Publication title -
physica status solidi (rrl) – rapid research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.786
H-Index - 68
eISSN - 1862-6270
pISSN - 1862-6254
DOI - 10.1002/pssr.201206070
Subject(s) - atomic layer deposition , organic solar cell , photovoltaics , materials science , photovoltaic system , energy conversion efficiency , nanotechnology , deposition (geology) , thin film , layer (electronics) , optoelectronics , encapsulation (networking) , chemical engineering , composite material , polymer , computer science , electrical engineering , biology , paleontology , engineering , sediment , computer network
ZnO thin films with a rippled surface structure were used as electron‐collecting layers of inverted organic photovoltaics (OPVs). Using additional ultrathin layers of ZnO and TiO 2 fabricated using atomic layer deposition (ALD), not only the power‐conversion efficiency of the OPVs could be increased (up to 3.5%), but also the photovoltaic performance became nearly constant within 100 days without any additional encapsulations of the solar cells under ambient conditions.(© 2012 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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