Liquid nitrogen quenching effects of P3HT:PCBM bulk heterojunction photovoltaic cells

Namkyoon Kim, Jun Kue Park, In Hwan Oh, Kyu Won Lee, Do Wan Kim, Cheol Eui Lee

Research output: Contribution to journalArticlepeer-review

Abstract

A simple and effective process of liquid nitrogen quenching has been developed, a twofold increase in the short-circuit current of the P3HT:PCBM bulk heterojunction photovoltaic cell being thereby achieved. Roughened surface and phase separation of the crystalline P3HT and PCBM domains in the liquid nitrogen quenched device appear to give rise to the enhanced power conversion efficiency.

Original languageEnglish
Pages (from-to)1944-1947
Number of pages4
JournalSynthetic Metals
Volume162
Issue number21-22
DOIs
StatePublished - Dec 2012

Keywords

  • A. Bulk heterojunction photovoltaic cells
  • B. Liquid nitrogen quenching
  • C. X-ray diffraction
  • D. Power conversion efficiency
  • E. Atomic force microscopy
  • E. Photoluminescence

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