An Electron-Accepting Chromophore Based on Fluorene and Naphthalenediimide Building Blocks for Solution-Processable Bulk Heterojunction Devices
Gupta, Akhil, Wang, Xizu, Srivani, Doli, Alford, Ben, Chellappan, Vijila, Bilic, Ante, Patil, Hemlata, Jones, Lathe A., Bhosale, Sidhanath V., Sonar, Prashant, & Bhosale, Sheshanath V. (2015) An Electron-Accepting Chromophore Based on Fluorene and Naphthalenediimide Building Blocks for Solution-Processable Bulk Heterojunction Devices. Asian Journal of Organic Chemistry, 4(8), pp. 800-807.
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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|Item Type:||Journal Article|
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||© 2015 WILEY-VCH Verlag GmbH & Co. KGaA,|
|Deposited On:||14 Sep 2015 07:09|
|Last Modified:||18 Sep 2015 17:20|
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