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111995 |
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|a dc
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|a Jo, Won Jun
|e author
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|a Massachusetts Institute of Technology. Department of Chemical Engineering
|e contributor
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|a Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
|e contributor
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|a Gleason, Karen K.
|e contributor
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|a Jo, Won Jun
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|a Borrelli, David C
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|a Bulovic, Vladimir
|e contributor
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|a Gleason, Karen K
|e contributor
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|a Borrelli, David C
|e author
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|a Bulovic, Vladimir
|e author
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|a Gleason, Karen K
|e author
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|a Photovoltaic effect by vapor-printed polyselenophene
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|b Elsevier,
|c 2017-10-30T14:53:03Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/111995
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|a Polyselenophene (PSe) donor layers are successfully integrated into organic photovoltaic devices (OPV) for the first time. Thin, patterned films of this insoluble semiconductor were fabricated using a vacuum-based vapor-printing technique, oxidative chemical vapor deposition (oCVD) combined with in-situ shadow masking. The vapor-printed PSe exhibits a reduced optical bandgap of 1.76 eV and enhanced photo-responsivity in the red compared to its sulfur containing analog, polythiophene. These relative advantages are most likely explained by selenium's enhanced electron-donating character compared to sulfur. The HOMO level of PSe was determined to be at −4.85 eV. The maximum power conversion efficiency achieved was 0.4% using a bilayer heterojunction device architecture with C₆₀ as the donor.
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|a United States. Army Research Office (W911NF-13-D-0001)
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|a en_US
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|a Article
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|t Organic Electronics
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