Design, fabrication, and analysis of double-layer antireflection coatings (ARC) for industrial bifacial n-type crystalline silicon solar cells

Yan Xia; Chen Ning; Bin Suhaimi Firdaus; Zhang Lin; Gong Xinxin; Zhang Xinyu; Duttagupta Shubham

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Design, fabrication, and analysis of double-layer antireflection coatings (ARC) for industrial bifacial n-type crystalline silicon solar cells

机译：用于工业双层N型晶体硅太阳能电池的双层抗反射涂层（ARC）的设计，制造和分析

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Monocrystalline silicon-based, n-type front and back contact (nFAB) solar cells are gradually attracting more interest from the photovoltaic industry, due to their good bifaciality and high efficiency potentials. To further improve the conversion efficiency, nFAB solar cells need to make better use of the solar spectrum. Conventional single-layer SiNx antireflection coating (ARC) tends to have a high reflection loss for ultraviolet photons. Thus, in this work, we prepare a double-layer ARC structure made of SiNx/SiOx stack, deposited by the plasma-enhanced chemical vapor deposition method. We investigate the effects of double-layer ARC through simulation and experimental studies by fabricating bifacial nFAB cells. The results show that the implementation of a double-layer ARC helps to greatly reduce front reflection in short wavelength, and thus allow for improvement of the photocurrent by up to 0.3 mA/cm(2). As a result, the average cell efficiency of nFAB solar cells increases by absolute similar to 0.2%. (C) 2019 Optical Society of America

机译：基于单晶硅的N型前后接触（NFAB）太阳能电池逐渐吸引了光伏产业的更多兴趣，因为它们的良好的双相性和高效率潜力。为了进一步提高转换效率，NFAB太阳能电池需要更好地利用太阳光谱。传统的单层SINX抗反射涂层（ARC）倾向于具有紫外光子的高反射损耗。因此，在这项工作中，我们准备了由SINX / SIOX堆叠制成的双层电弧结构，由等离子体增强的化学气相沉积方法沉积。通过制造双层NFAB细胞来研究双层电弧通过模拟和实验研究的影响。结果表明，双层电弧的实施有助于大大减小短波长的前反射，从而允许将光电流改进至多0.3mA / cm（2）。结果，NFAB太阳能电池的平均细胞效率随绝对增加而增加至0.2％。（c）2019年光学学会

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来源
《Applied optics》 |2019年第15期|共6页
作者
Yan Xia; Chen Ning; Bin Suhaimi Firdaus; Zhang Lin; Gong Xinxin; Zhang Xinyu; Duttagupta Shubham;
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Natl Univ Singapore Solar Energy Res Inst Singapore 7 Engn Dr 1 Singapore 117574 Singapore;

Natl Univ Singapore Solar Energy Res Inst Singapore 7 Engn Dr 1 Singapore 117574 Singapore;

Natl Univ Singapore Solar Energy Res Inst Singapore 7 Engn Dr 1 Singapore 117574 Singapore;

Zhejiang Jinko Solar Co Ltd 58 Yuanxi Rd Haining 314416 Zhejiang Peoples R China;

Zhejiang Jinko Solar Co Ltd 58 Yuanxi Rd Haining 314416 Zhejiang Peoples R China;

Zhejiang Jinko Solar Co Ltd 58 Yuanxi Rd Haining 314416 Zhejiang Peoples R China;

Natl Univ Singapore Solar Energy Res Inst Singapore 7 Engn Dr 1 Singapore 117574 Singapore;

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Design, fabrication, and analysis of double-layer antireflection coatings (ARC) for industrial bifacial n-type crystalline silicon solar cells

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