Organic photovoltaic devices with a crosslinkable polymer interlayer

Nam Su Kang, Byeong Kwon Ju, Tae Wan Lee, Dong Hoon Choi, Jae Min Hong, Jae Woong Yu

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Organic photovoltaic devices with a photo-crosslinkable interlayer were fabricated. This photo-crosslinkable interlayer acted as a leakage current reducing buffer layer. The performance of the small area OPV cell (0.04 cm 2) was enhanced by the increase in the short circuit current and the fill factor. When a larger area cell (1 cm2) was used, the performance of OPV cell increased when the appropriate interlayer thickness was used. In the case of a 10 cm×10 cm module, the power conversion efficiency was about double than that without the interlayer. The insertion of the interlayer increased the current extraction by lowering the barrier height and attenuated the fill factor reduction by enhancing the rectification with a better leakage current sealing. From this study, it is clearly proved that the insertion of the appropriate photo-crosslinkable layer improves the performance of OPV devices, the effect was especially evident for large area cells.

Original languageEnglish
Pages (from-to)2831-2836
Number of pages6
JournalSolar Energy Materials and Solar Cells
Volume95
Issue number10
DOIs
Publication statusPublished - 2011 Oct 1

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Leakage currents
Polymers
Buffer layers
Short circuit currents
Conversion efficiency

Keywords

  • Curable interlayer
  • Current extraction
  • Fill factor
  • Organic photovoltaic
  • Polymer solar cell

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films

Cite this

Organic photovoltaic devices with a crosslinkable polymer interlayer. / Su Kang, Nam; Ju, Byeong Kwon; Wan Lee, Tae; Choi, Dong Hoon; Hong, Jae Min; Yu, Jae Woong.

In: Solar Energy Materials and Solar Cells, Vol. 95, No. 10, 01.10.2011, p. 2831-2836.

Research output: Contribution to journalArticle

Su Kang, Nam ; Ju, Byeong Kwon ; Wan Lee, Tae ; Choi, Dong Hoon ; Hong, Jae Min ; Yu, Jae Woong. / Organic photovoltaic devices with a crosslinkable polymer interlayer. In: Solar Energy Materials and Solar Cells. 2011 ; Vol. 95, No. 10. pp. 2831-2836.
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