Highly durable inverted-type organic solar cell using amorphous titanium oxide as electron collection electrode inserted between ITO and organic layer
作者： Taketoshi Nakayama , Konosuke Uozumi , Takahiro Yamaguchi , Kohshin Takahashi , Takayuki Kuwabara
DOI: 10.1016/J.SOLMAT.2008.06.012
关键词:
摘要: An indium tin oxide/titanium oxide/[6,6]-phenyl C61 butyric acid methyl ester:regioregular poly(3-hexylthiophene)/poly(3,4-ethylenedioxylenethiophene):poly(4-styrene sulfonic acid)/Au type organic solar cell (ITO/TiOx/PCBM:P3HT/PEDOT:PSS/Au) with 1 cm2 active area, which is called “inverted-type cell”, was developed using an ITO/amorphous titanium oxide (TiOx) electrode prepared by a sol–gel technique instead of low functional such as Al. The power conversion efficiency (η) 2.47% obtained irradiating AM 1.5G-100 mW cm−2 simulated sunlight. We found that photoconduction TiOx UV light containing slightly in the sunlight required to drive this cell. device durability ambient atmosphere maintained for more than 20 h under continuous irradiation. Further, when air-stable covered glass plate water getter sheet coated epoxy-UV resin sealing material, still higher and over 96% relative observed even after irradiation 120 h.
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