All polymer photovoltaics: From small inverted devices to large roll-to-roll coated and printed solar cells

Publication: Research - peer-reviewJournal article – Annual report year: 2013

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Inverted all polymer solar cells based on a blend of a perylene diimide based polymer acceptor and a dithienosilole based polymer donor were fabricated from small area devices to roll-to-roll (R2R) coated and printed large area modules. The device performance was successfully optimized by using solvent additive to tune the phase separation. By adding 2% chloronaphthalene as solvent additive for small area (0.25 cm2) devices, a power conversion efficiency (PCE) up to 0.63% was achieved for inverted geometry, higher than that (0.39%) of conventional geometry. This polymer blend showed excellent solution processibility and R2R coated and printed large area (4.2 cm 2) solar cells exhibited a PCE of 0.20%. © 2013 Elsevier B.V.
Original languageEnglish
JournalSolar Energy Materials & Solar Cells
Volume112
Pages (from-to)157-162
ISSN0927-0248
DOIs
StatePublished - 2013
CitationsWeb of Science® Times Cited: 60

    Keywords

  • Conversion efficiency, Geometry, Phase separation, Solar cells, Plastic coatings, All-polymer solar cells, Inverted geometry, Roll-to-roll process
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