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Materials interface engineering for solution-processed photovoltaics

机译:溶液处理光伏材料的材料界面工程

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摘要

Advances in solar photovoltaics are urgently needed to increase the performance and reduce the cost of harvesting solar power. Solution-processed photovoltaics are cost-effective to manufacture and offer the potential for physical flexibility. Rapid progress in their development has increased their solar-power conversion efficiencies. The nanometre (electron) and micrometre (photon) scale interfaces between the crystalline domains that make up solution-processed solar cells are crucial for efficient charge transport. These interfaces include large surface area junctions between photoelectron donors and acceptors, the intralayer grain boundaries within the absorber, and the interfaces between photoactive layers and the top and bottom contacts. Controlling the collection and minimizing the trapping of charge carriers at these boundaries is crucial to efficiency.
机译:迫切需要太阳能光伏技术的进步,以提高性能并降低收集太阳能的成本。溶液处理的光伏电池制造成本低廉,并具有潜在的物理灵活性。它们的发展迅速,提高了它们的太阳能转换效率。组成溶液处理太阳能电池的晶域之间的纳米级(电子)和微米级(光子)级界面对于有效的电荷传输至关重要。这些界面包括光电子供体和受体之间的大表面积结,吸收体内的层内晶界以及光敏层与顶部和底部触点之间的界面。控制收集和最小化在这些边界处的电荷载流子的捕获对于效率至关重要。

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  • 来源
    《Nature》 |2012年第7411期|p.304-312|共9页
  • 作者单位

    Institute of Photonics and Interfaces, Swiss Federal Institute of Technology, CH-1015 Lausanne, Switzerland;

    Molecular Materials and Nanosystems, Eindhoven University of Technology, PO Box 513, 5600 MB Eindhoven, The Netherlands;

    IBM TJ Watson Research Center, Yorktown Heights, New York 10598, USA;

    Department of Electrical and Computer Engineering, University of Toronto,Toronto, M5S 3G4, Canada;

  • 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);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
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