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首页> 外文期刊>Advanced energy materials >Rational Design of a Photosystem I Photoanode for the Fabrication of Biophotovoltaic Devices
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Rational Design of a Photosystem I Photoanode for the Fabrication of Biophotovoltaic Devices

机译：用于制造生物光伏器件的光电系统的合理设计

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摘要

Photosystem I (PSI), a robust and abundant biomolecule capable of delivering high-energy photoelectrons, has a great potential for the fabrication of light-driven semi-artificial bioelectrodes. Although possibilities have been explored in this regard, the true capabilities of this technology have not been achieved yet, particularly for their use as bioanodes. Here, the use of PSI Langmuir monolayers and their electrical wiring with specifically designed redox polymers is shown, ensuring an efficient mediated electron transfer as the basis for the fabrication of an advanced biophotoanode. The bioelectrode is rationally implemented and optimized for enabling the generation of substantial photocurrents of up to 17.6 mu A cm(-2) and is even capable of delivering photocurrents at potentials as low as -300 mV vs standard hydrogen electrode, surpassing the performance of comparable devices. To highlight the applicability of the developed light-driven bioanode, a biophotovoltaic cell is assembled in combination with a gas-breathing biocathode. The assembly operates in a single compartment cell and delivers considerable power outputs at large cell voltages. The implemented biophotoanode constitutes an important step toward the development of advanced biophotovoltaic devices.
机译：照相I（PSI），能够提供高能光电子的鲁棒和丰富的生物分子，具有较大的潜在的制造光驱动的半人工生物电极。虽然在这方面探讨了可能性，但这项技术的真正能力尚未实现，特别是它们用作生物化。这里，示出了使用PSI Langmuir单层和它们的电线，其具有特异性设计的氧化还原聚合物，确保有效的介导电子转移作为制造先进的生物光影陶​​器的基础。生物电极是合理的实施和优化的，以使得产生高达17.6μm的大约17.6μm（-2）的产生，并且甚至能够在低至-300mV与标准氢电极的电势下输送光电流，超越可比性的性能设备。为了突出开发的光驱动生物潮汐的适用性，生物光电电池与燃气呼吸生物病变组合组装。该组件在单个隔室单元中操作，并在大电池电压下提供相当大的功率输出。实施的BiophotoAnode构成了朝向高级Biophotovolic Device的发展的重要一步。

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  • 来源
    《Advanced energy materials》 |2021年第47期|2102858.1-2102858.10|共10页
  • 作者

    Wang Panpan; Zhao Fangyuan; Frank Anna; Zerria Sarra; Lielpetere Anna; Ruff Adrian; Nowaczyk Marc M.; Schuhmann Wolfgang; Conzuelo Felipe;

  • 作者单位

    Ruhr Univ Bochum Analyt Chem Ctr Electrochem Sci CES Fac Chem & Biochem Univ Str 150 D-44780 Bochum Germany;

    Ruhr Univ Bochum Analyt Chem Ctr Electrochem Sci CES Fac Chem & Biochem Univ Str 150 D-44780 Bochum Germany|China Univ Min & Technol Coll Chem Engn Xuzhou 221008 Jiangsu Peoples R China;

    Ruhr Univ Bochum Plant Biochem Mol Mech Photosynth Fac Biol & Biotechnol Univ Str 150 D-44780 Bochum Germany;

    Ruhr Univ Bochum Analyt Chem Ctr Electrochem Sci CES Fac Chem & Biochem Univ Str 150 D-44780 Bochum Germany;

    Ruhr Univ Bochum Analyt Chem Ctr Electrochem Sci CES Fac Chem & Biochem Univ Str 150 D-44780 Bochum Germany;

    Ruhr Univ Bochum Analyt Chem Ctr Electrochem Sci CES Fac Chem & Biochem Univ Str 150 D-44780 Bochum Germany;

    Ruhr Univ Bochum Plant Biochem Mol Mech Photosynth Fac Biol & Biotechnol Univ Str 150 D-44780 Bochum Germany;

    Ruhr Univ Bochum Analyt Chem Ctr Electrochem Sci CES Fac Chem & Biochem Univ Str 150 D-44780 Bochum Germany;

    Ruhr Univ Bochum Analyt Chem Ctr Electrochem Sci CES Fac Chem & Biochem Univ Str 150 D-44780 Bochum Germany;

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  • 正文语种 eng
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  • 关键词

    biophotovoltaics; electrode materials; gas-diffusion electrodes; Langmuir-Blodgett films; photosystem I; redox polymers;

    机译：Biophotovoltaics;电极材料;气体扩散电极;Langmuir-Blodgett薄膜;光系统I;氧化还原聚合物;

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