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All-organic thin film flexible photodetector based on C_(60) modified PEDOT:PSS

机译:全有机薄膜柔性光电探测器基于C_(60)改进的PEDOT:PSS

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摘要

In organic electronics, the use of self-assembled monolayer dielectric functional groups is considered an effective surface modification strategy that can significantly improve device performance. A flexible polymer (PEDOT:PSS) photodetector on the substrate polyimide with broadband response (450 nm similar to 980 nm) and high response (0.56 A W-1) is reported, which is superimposed on the surface by small molecule (C-60) thermal evaporation. In addition, the planeness of the organic semiconductor and the overall performance of the organic thin film photodetector can be improved significantly by using a small molecule modified polymer thin film; the photocurrent,R(i)and external quantum efficiency were all increased by more than 10%. The response time of the device reached an astonishing 5.87 ms, much faster than that of similar devices. The response of the small molecule modified organic device is improved by an order of magnitude, which provides a guarantee for better application of organic thin films in circuits. Moreover, the device has a strong flexible stability performance, which can meet the requirements of flexible stability for future photoelectric devices.
机译:在有机电子器件中,使用自组装单层介电官能团被认为是一种有效的表面改性策略,可以显着提高器件性能。据报道柔性聚合物(PEDOT:PSS)光电探测器,具有宽带响应(类似于980nm的450nm)和高响应(0.56AW-1),其通过小分子叠加在表面上(C-60 )热蒸发。另外,通过使用小分子改性的聚合物薄膜可以显着提高有机半导体的平面性和有机薄膜光电探测器的整体性能;光电流,R(I)和外量子效率全部增加了10%以上。设备的响应时间达到了惊人的5.87ms,比类似设备的响应时间快得多。小分子改性有机装置的响应通过数量级提高,这提供了更好地在电路中施加有机薄膜的保证。此外,该装置具有强大的灵活稳定性性能,这可以满足未来光电器件的灵活稳定性的要求。

著录项

  • 来源
    《Semiconductor science and technology》 |2020年第8期|085016.1-085016.7|共7页
  • 作者单位

    Civil Aviat Univ China Basic Expt Ctr Tianjin 300300 Peoples R China;

    Civil Aviat Univ China Vocat & Tech Coll Tianjin 300300 Peoples R China;

    Civil Aviat Univ China Basic Expt Ctr Tianjin 300300 Peoples R China;

    Civil Aviat Univ China Engn Tech Training Ctr Tianjin 300300 Peoples R China;

    Univ Elect Sci & Technol China Sch Automat Engn Chengdu 610054 Peoples R China;

    TianGong Univ Sch Elect Engn & Automat Tianjin 300300 Peoples R China;

    Civil Aviat Univ China Engn Tech Training Ctr Tianjin 300300 Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    photodetector; organic thin film; broadband response; high responsivity; flexibility;

    机译:光电探测器;有机薄膜;宽带响应;高响应度;灵活性;

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