Antireflective Paraboloidal Microlens Film for Boosting Power Conversion Efficiency of Solar Cells,ACS Applied Materials & Interfaces

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Antireflective Paraboloidal Microlens Film for Boosting Power Conversion Efficiency of Solar Cells
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2018-06-11 00:00:00 , DOI: 10.1021/acsami.7b19743
Chaolong Fang ₁ , Jun Zheng ₁ , Yaoju Zhang ₁ , Yijie Li ₁ , Siyuan Liu ₁ , Weiji Wang ₁ , Tao Jiang ₁ , Xuesong Zhao ₁ , Zhihong Li ₁

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Microlens arrays can improve light transmittance in optical devices or enhance the photoelectrical conversion efficiency of photovoltaic devices. Their surface morphology (aspect ratio and packed density) is vital to photon management in solar cells. Here, we report a 100% packed density paraboloidal microlens array (PMLA), with a large aspect ratio, fabricated by direct-write UV laser photolithography coupled with soft imprint lithography. Optical characterization shows that the PMLA structure can remarkably decrease the front-side reflectance of solar cell device. The measured electrical parameters of the solar cell device clearly and consistently demonstrate that the PMLA film can considerably improve the photoelectrical conversion efficiency. In addition, the PMLA film has superhydrophobic properties, verified by measurement of a large water contact angle, and can enhance the self-cleaning capability of solar cell devices.

中文翻译：

抗反射抛物面微透镜膜可提高太阳能电池的功率转换效率

微透镜阵列可以提高光学器件中的透光率或提高光伏器件的光电转换效率。它们的表面形态（长宽比和堆积密度）对于太阳能电池中的光子管理至关重要。在这里，我们报告了通过直接写入UV激光光刻与软压印光刻技术制造的，具有大纵横比的100％堆积密度抛物面微透镜阵列（PMLA）。光学表征表明，PMLA结构可以显着降低太阳能电池装置的正面反射率。所测量的太阳能电池装置的电参数清楚且始终如一地证明了PMLA膜可以大大提高光电转换效率。此外，PMLA薄膜具有超疏水性，

更新日期：2018-06-11

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