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Advanced Materials

Polythiophene-Fullerene Based Photodetectors: Tuning of Spectral Response and Application in Photoluminescence Based (Bio)Chemical Sensors

Authors

  • Kanwar S. Nalwa,

    1. Department of Electrical and Computer Engineering and Microelectronics Research Center, Iowa State University, Ames, IA 50011 (USA)
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  • Yuankun Cai,

    1. Ames Laboratory-USDOE & Department of Physics and Astronomy, Iowa State University, Ames, IA 50011 (USA)
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  • Aaron L. Thoeming,

    1. Department of Electrical and Computer Engineering and Microelectronics Research Center, Iowa State University, Ames, IA 50011 (USA)
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  • Joseph Shinar,

    1. Department of Electrical and Computer Engineering and Microelectronics Research Center, Iowa State University, Ames, IA 50011 (USA)
    2. Ames Laboratory-USDOE & Department of Physics and Astronomy, Iowa State University, Ames, IA 50011 (USA)
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  • Ruth Shinar,

    Corresponding author
    1. Department of Electrical and Computer Engineering and Microelectronics Research Center, Iowa State University, Ames, IA 50011 (USA)
    • Department of Electrical and Computer Engineering and Microelectronics Research Center, Iowa State University, Ames, IA 50011 (USA).
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  • Sumit Chaudhary

    Corresponding author
    1. Department of Electrical and Computer Engineering and Microelectronics Research Center, Iowa State University, Ames, IA 50011 (USA)
    • Department of Electrical and Computer Engineering and Microelectronics Research Center, Iowa State University, Ames, IA 50011 (USA).
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Abstract

A photoluminescence (PL)-based oxygen and glucose sensor utilizing inorganic or organic light emitting diode as the light source, and polythiophene:fullerene type bulk-heterojunction devices as photodetectors, for both intensity and decay-time based monitoring of the sensing element’s PL. The sensing element is based on the oxygen-sensitive dye Pt-octaethylporphyrin embedded in a polystyrene matrix.

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