4.8 Article

High-Performance Organic Solar Cells Based on a Small Molecule with Alkylthio-Thienyl-Conjugated Side Chains without Extra Treatments

Journal

ADVANCED MATERIALS
Volume 27, Issue 45, Pages 7469-+

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201503815

Keywords

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Funding

  1. National Natural Science Foundation of China [91333204, 91433117, 51422306]
  2. priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
  3. Ministry of Science and Technology of China (973 Project) [2014CB643501]
  4. Strategic Priority Research Program of the Chinese Academy of Sciences [XDB12030200]
  5. Deutsche Forschungsgemeinschaft (DFG) [CRC 953]
  6. Solar Factory of the Future on the Energy Campus Nuremberg [20-3043.5]

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A new 2D-conjugated small molecule with alkylthio-thienyl-conjugated side chains (BDTT-S-TR) is synthesized for application as a donor material in organic solar cells (OSCs). The OSCs based on BDTT-S-TR/PC70 BM demonstrate a power conversion efficiency (PCE) of 9.20% without extra treatment. Moreover, an encouraging PCE of 6.68% is achieved from the device with active area of 144 mm(2).

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