An Electron-Accepting Chromophore Based on Fluorene and Naphthalenediimide Building Blocks for Solution-Processable Bulk Heterojunction Devices
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Wang, Xizu
Srivani, Doli
Alford, Ben
Chellappan, Vijila
Bilic, Ante
Patil, Hemlata
Jones, Lathe A
Bhosale, Sidhanath V
Sonar, Prashant
Bhosale, Sheshanath V
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Abstract
We have designed, synthesized and utilized a new non‐fullerene electron acceptor, 9,9′‐(9,9‐dioctyl‐9H‐fluorene‐2,7‐diyl)bis(2,7‐dioctyl‐4‐(octylamino)benzo[lmn][3,8]phenanthroline‐1,3,6,8(2H,7H)‐tetraone) (B2), for use in solution‐processable bulk‐heterojunction devices. B2 is based on a central fluorene moiety, which was capped at both ends with an electron‐accepting naphthalenediimide functionality. B2 exhibited excellent solubility (>30 mg mL−1 in chloroform), high thermal and photochemical stability, and appropriate energy levels for use with the classical polymer donor regioregular poly(3‐hexylthiophene). A power conversion efficiency of 1.16 % was achieved for primitive bulk‐heterojunction devices with a high fill factor of approximately 54 %.
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Asian Journal of Organic Chemistry
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4
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8
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© 2015 Blackwell Verlag GmbH. This is the peer reviewed version of the following article: An Electron‐Accepting Chromophore Based on Fluorene and Naphthalenediimide Building Blocks for Solution‐Processable Bulk Heterojunction Devices, Asian Journal of Organic Chemistry, 2015, 4 (8), pp. 800-807, which has been published in final form at https://doi.org/10.1002/ajoc.201500112. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving (http://olabout.wiley.com/WileyCDA/Section/id-828039.html)
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Organic chemistry
Science & Technology
Physical Sciences
Chemistry
bulk heterojunction solar cells
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Gupta, A; Wang, X; Srivani, D; Alford, B; Chellappan, V; Bilic, A; Patil, H; Jones, LA; Bhosale, SV; Sonar, P; Bhosale, SV, An Electron-Accepting Chromophore Based on Fluorene and Naphthalenediimide Building Blocks for Solution-Processable Bulk Heterojunction Devices, Asian Journal of Organic Chemistry, 2015, 4 (8), pp. 800-807