Journal of Integrative Natural Science (통합자연과학논문집)

The Basic Science Institute Chosun University (조선대학교 기초과학연구원)
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Dynamic Response of Charge Recombination from Post-Annealing Process in Organic Solar Cell Using Intensity Modulated Photovoltage Spectroscopy

  • Jeong, Hanbin (Department of Chemistry Education, Chosun University) ;
  • Yun, Suk-Jin (Department of Chemistry Education, Chosun University) ;
  • Lee, Jae Kwan (Department of Chemistry Education, Chosun University)
  • Received : 2016.09.12
  • Accepted : 2016.12.25
  • Published : 2016.12.31
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Abstract

Intensity modulated photovoltage spectroscopy (IMVS) analysis of organic solar cells (OSCs) with a bulk-heterojunction (BHJ) film composed of P3HT and $PC_{61}BM$ was performed. The dynamic response of charge recombination by the post-annealing approach in $P3HT/PC_{61}BM$ BHJ solar cells characterized by IMVS demonstrated that post-annealing reduced the recombination of electron carriers in the device. The recombination times of $P3HT/PC_{61}BM$ BHJ solar cells post-annealed at room temperature, 80, 120, and $140^{\circ}C$ were 0.009, 0.020, 0.024, and 0.030 ms, respectively, at a short-circuit current of 0.18 mA. The results indicated that the IMVS analysis can be effectively used as powerful.

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References

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