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Hybrid conjugated polymer solar cells using patterned GaAs nanopillars

机译：使用图案化的GaAs纳米柱的混合共轭聚合物太阳能电池

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摘要

In this work, we study hybrid solar cells based on poly(3-hexylthiophene)-coated GaAs nanopillars grown on a patterned GaAs substrate using selective-area metal organic chemical vapor deposition. The hybrid solar cells show extremely low leakage currents (I ≌ 45 nA @-1V) under dark conditions and an open circuit voltage, short circuit current density, and fill factor of 0.2 V, 8.7 mA/cm~2, and 32%, respectively, giving a power conversion efficiency of η=0.6% under AM 1.5 G illumination. Surface passivation of the GaAs results in further improvement, yielding η=1.44% under AM 1.5 G illumination. External quantum efficiency measurements of these polymer/inorganic solar cells are also presented.
机译：在这项工作中，我们研究使用选择性区域金属有机化学气相沉积法，在图案化的GaAs基板上生长的，基于聚（3-己基噻吩）涂层的GaAs纳米柱的混合太阳能电池。混合太阳能电池在黑暗条件下的漏电流极低（I≌45 nA @ -1V），开路电压，短路电流密度和填充系数分别为0.2 V，8.7 mA / cm〜2和32％，分别在AM 1.5 G照明下给出的功率转换效率为η= 0.6％。 GaAs的表面钝化导致进一步的改进，在AM 1.5 G照射下产生η= 1.44％。还介绍了这些聚合物/无机太阳能电池的外部量子效率测量结果。

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  • 来源
    《Applied Physics Letters》 |2010年第1期|P.013107.1-013107.3|共3页
  • 作者

    Giacomo Mariani; Ramesh B. Laghumavarapu; Bertrand Tremolet de Villers; Joshua Shapiro; Pradeep Senanayake; Andrew Lin; Benjamin J. Schwartz; Diana L. Huffaker;

  • 作者单位

    Department of Electrical Engineering, University of California at Los Angeles, Los Angeles, California 90095, USA;

    Department of Electrical Engineering, University of California at Los Angeles, Los Angeles, California 90095, USA;

    Department of Chemistry and Biochemistry, University of California at Los Angeles, Los Angeles, California 90095, USA;

    Department of Electrical Engineering, University of California at Los Angeles, Los Angeles, California 90095, USA;

    Department of Electrical Engineering, University of California at Los Angeles, Los Angeles, California 90095, USA;

    Department of Electrical Engineering, University of California at Los Angeles, Los Angeles, California 90095, USA;

    Department of Chemistry and Biochemistry, University of California at Los Angeles, Los Angeles, California 90095, USA California NanoSystems Institute, University of California at Los Angeles, Los Angeles, California 90095, USA;

    Department of Electrical Engineering, University of California at Los Angeles, Los Angeles, California 90095, USA California NanoSystems Institute, University of California at Los Angeles, Los Angeles, California 90095, USA;

  • 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);
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  • 正文语种 eng
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