Crowning of dibenzosilole with a naphthalenediimide functional group to prepare an electron acceptor for organic solar cells
Gupta, Akhil, Hangarge, Rahul V., Wang, Xizu, Alford, Ben, Chellapan, Vijila, Jones, Lathe A., Rananaware, Anushri, Bilic, Ante, Sonar, Prashant, & Bhosale, Sheshanath V. (2015) Crowning of dibenzosilole with a naphthalenediimide functional group to prepare an electron acceptor for organic solar cells. Dyes and Pigments, 120, pp. 314-321.
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A novel, solution-processable non-fullerene electron acceptor 9,9′-(5,5-dioctyl-5H-dibenzo [b,d]silole-3,7-diyl)bis(2,7-dioctyl-4-(octylamino)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone) (B3) based on dibenzosilole and naphthalenediimide building blocks was designed, synthesized, characterized and successfully used in a bulk-heterojunction organic solar cell. B3 displayed excellent solubility, thermal stability and acquired electron energy levels matching with those of archetypal donor polymer poly(3-hexylthiophene). Solution-processable bulk-heterojunction devices afforded 1.16% power conversion efficiency with a high fill factor of 53%. B3 is the first example in the literature using this design principle, where mild donor units at the peripheries of end-capped naphthalenediimide units tune solubility and optical energy levels simultaneously.
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|Item Type:||Journal Article|
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2015 PergamonPress|
|Deposited On:||14 Sep 2015 06:29|
|Last Modified:||23 Oct 2016 04:34|
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