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Enhanced spectral response in polymer bulk heterojunction solar cells by using active materials with complementary spectra

  • Jen Hsien Huang
  • , Chuan Pei Lee
  • , Zhong Yo Ho
  • , Dhananjay Kekuda
  • , Chih Wei Chu*
  • , Kuo Chuan Ho
  • *Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We have fabricated organic photovoltaic devices with blends of poly[9,9′-dioctyl-fluorene-co-bithiophene] (F8T2) and fullerene as an electron donor and electron acceptor, respectively. A significant improvement of the photovoltaic efficiency was found in device by using active materials with complementary spectra. The different weight ratios of composite film were also performed to correlate between morphology and the device performance. A power conversion efficiency (PCE) up to 2.0% with an open-circuit voltage of 0.85 V and a short-circuit current (JSC) of 5.3 mA/cm2, was achieved by blending the F8T2 with [6,6]-phenyl-C71-butyric acid methyl ester (PC[70]BM).

    Original languageEnglish
    Pages (from-to)22-28
    Number of pages7
    JournalSolar Energy Materials and Solar Cells
    Volume94
    Issue number1
    DOIs
    Publication statusPublished - 01-01-2010

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 7 - Affordable and Clean Energy
      SDG 7 Affordable and Clean Energy

    All Science Journal Classification (ASJC) codes

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

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