Tandem-type organic solar cells by stacking different heterojunction materials

Kuwat Triyana, Takeshi Yasuda, Katsuhiko Fujita, Tetsuo Tsutsui

Research output: Contribution to journalConference articlepeer-review

34 Citations (Scopus)


Three layers of phthalocyanine/perylene heterojunction (HJ) components were stacked and sandwiched by an indium tin oxide (ITO) and a top metal electrode, which is denoted by a triple-HJ organic solar cell. The organic material in the middle-HJ component second from the ITO was varied to investigate the photovoltaic properties. The power conversion efficiency (PCE) was improved by the more balanced photo-generated carrier by use of the appropriate material for the second-HJ component. The optimized device showed higher PCE (1.38%) than the reference device (0.98%).

Original languageEnglish
Pages (from-to)198-202
Number of pages5
JournalThin Solid Films
Issue number1-2
Publication statusPublished - Apr 22 2005
EventICMAT 03 -
Duration: Dec 7 2003Dec 12 2003

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry


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