4.6 Article

Synthesis of 3H-Benzo[e]indoline and Its Application to Small-Molecule Organic Solar Cells

Journal

CHEMISTRY-A EUROPEAN JOURNAL
Volume 24, Issue 35, Pages 8747-8750

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201800938

Keywords

charge mobility; indoline; organic solar cells; photovoltaics; squaraine

Funding

  1. National Natural Science Foundation of China [51573108, 21672156]
  2. China Scholarship Council

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A squaraine-based small molecule (USQ-BI) bearing 3H-benzo[e]indoline was synthesized as an electron donor, and the corresponding organic solar cells show power conversion efficiency of 5.35% with an excellent short circuit current of over 15mAcm(-2). The hole mobility of USQ-BI was about 5 times (9.57x10(-5) vs. 2.00x10(-5)cm(2)V(-1)s(-1)) higher than that of indoline-based squaraine.

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