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首页> 外文期刊>Applied Physics Letters >High quantum efficiency InGaN/GaN multiple quantum well solar cells with spectral response extending out to 520 nm
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High quantum efficiency InGaN/GaN multiple quantum well solar cells with spectral response extending out to 520 nm

机译：高光谱效率InGaN / GaN多量子阱太阳能电池，光谱响应扩展至520 nm

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摘要

We demonstrate high quantum efficiency InGaN/GaN multiple quantum well (QW) solar cells with spectral response extending out to 520 nm. Increasing the number of QWs in the active region did not reduce the carrier collection efficiency for devices with 10, 20, and 30 QWs. Solar cells with 30 QWs and an intentionally roughened p-GaN surface exhibited a peak external quantum efficiency (EQE) of 70.9% at 390 nm, an EQE of 39.0% at 450 nm, an open circuit voltage of 1.93 V, and a short circuit current density of 2.53' mA/cm2 under 1.2 suns AM1.5G equivalent illumination.
机译：我们展示了高量子效率的InGaN / GaN多量子阱（QW）太阳能电池，其光谱响应扩展至520 nm。在有源区域中增加QW的数量不会降低具有10、20和30 QW的设备的载流子收集效率。具有30 QW和故意粗糙化的p-GaN表面的太阳能电池在390 nm处的峰值外部量子效率（EQE）为70.9％，在450 nm处的EQE为39.0％，开路电压为1.93 V，并且发生短路电流密度在1.2个阳光下（AM1.5G等效照明）下为2.53'mA / cm2。

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  • 来源
    《Applied Physics Letters》 |2011年第20期|p.98201107.1-98201107.3|共3页
  • 作者

    R. M. Farrell; C. J. Neufeld; S. C. Cruz; J. R. Lang; M. Iza; S. Keller; S. Nakamura; S. P. DenBaars; U. K. Mishra; J. S. Speck;

  • 作者单位

    Materials Department, University of California, Santa Barbara, California 93106, USA;

    Department of Electrical and Computer Engineering, University of California, Santa Barbara,California 93106, USA;

    Materials Department, University of California, Santa Barbara, California 93106, USA;

    Materials Department, University of California, Santa Barbara, California 93106, USA;

    Materials Department, University of California, Santa Barbara, California 93106, USA;

    Department of Electrical and Computer Engineering, University of California, Santa Barbara,California 93106, USA;

    Materials Department, University of California, Santa Barbara, California 93106, USA,Department of Electrical and Computer Engineering, University of California, Santa Barbara,California 93106, USA;

    Materials Department, University of California, Santa Barbara, California 93106, USA,Department of Electrical and Computer Engineering, University of California, Santa Barbara,California 93106, USA;

    Department of Electrical and Computer Engineering, University of California, Santa Barbara,California 93106, USA;

    Materials Department, University of California, Santa Barbara, California 93106, 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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