The Effect of Processing Additives on Energetic Disorder in Highly Efficient Organic Photovoltaics: A Case Study on PBDTTT-C-T:PC71 BM.

نویسندگان

  • Feng Gao
  • Scott Himmelberger
  • Mattias Andersson
  • David Hanifi
  • Yuxin Xia
  • Shaoqing Zhang
  • Jianpu Wang
  • Jianhui Hou
  • Alberto Salleo
  • Olle Inganäs
چکیده

Energetic disorder, an important parameter affecting the performance of organic photovoltaics, is significantly decreased upon the addition of processing additives in a highly efficient benzodithiophene-based copolymer blend (PBDTTT-C-T:PC71 BM). Wide-angle and small-angle X-ray scattering measurements suggest that the origin of this reduced energetic disorder is due to increased aggregation and a larger average fullerene domain size together with purer phases.

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عنوان ژورنال:
  • Advanced materials

دوره 27 26  شماره 

صفحات  -

تاریخ انتشار 2015