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Keywords:

  • bulk heterojunction;
  • Organic photovoltaic cell;
  • Flash-photolysis time-resolved microwave conductivity;
  • Impurity effect
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On p. 661, Akinori Saeki and coworkers investigate the correlation between organic photovoltaic cells and dynamics of transient photoconductivity by flash-photolysis time-resolved microwave conductivity. Blend ratios, annealing, impurities, and degradation effects in bulk heterojunction films consisting of P3HT and PCBM are examined, demonstrating a facile screening method to survey the potential of optoelectronic materials.