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Control of the active layer nanomorphology by using co-additives towards high-performance bulk heterojunction solar cells

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1016/j.orgel.2012.05.001
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Affiliation
  1. National Research Council of Canada. Information and Communication Technologies
FormatText, Article
SubjectConjugated polymers; Co-additives; Solar cells; Bulk heterojunction; Nanomorphology; PCBM
Abstract
In this work, two high boiling-point solvents (1-chloronaphthalene (CN) and 1,8-diiodooctane (DIO)) were utilized as co-additives in ortho-dichlorobenzene (ODCB) and chlorobenzene (CB) solutions to fine tune the donor and acceptor domains in the bulk heterojunction (BHJ) of poly(benzo[1,2-b:4,5-b′]dithiophene-alt-thieno[3,4-c]pyrrole-4,6-dione) (PBDTTPD) and fullerene derivatives. A power conversion efficiency of 7.1% and a fill factor up to 70% were obtained for solar cells with active area of 1 cm2 when using [6,6]-phenyl C61-butyric acid methyl ester (PC60BM) as acceptor, suggesting that an optimized morphology was achieved.
Publication date
In
  • Organic Electronics 13, no. 9 (September 2012): 1736–1741.
LanguageEnglish
Peer reviewedYes
IdentifierS1566119912001814
NPARC number21268834
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Record identifier20ff8e96-ea5b-492d-bc9e-62b30a1637b3
Record created2013-11-14
Record modified2020-04-21
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