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首页> 外文期刊>Japanese journal of applied physics >Internal quantum efficiency mapping analysis for a > 20%-efficiency n-type bifacial solar cell with front-side emitter formed by BBr3 thermal diffusion
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Internal quantum efficiency mapping analysis for a > 20%-efficiency n-type bifacial solar cell with front-side emitter formed by BBr3 thermal diffusion

机译:具有BBr3热扩散形成正面发射极的> 20%效率的n型双面太阳能电池的内部量子效率映射分析

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摘要

This paper presents a large-area ( 239-cm(2)) high-efficiency n-type bifacial solar cell that is processed using tube-furnace thermal diffusion employing liquid sources BBr3 for the front-side boron emitter and POCl3 for the rear-side phosphorus back surface field ( BSF). The SiNx/Al2O3 stack was applied to the front-side boron emitter as a passivation layer. Both the front and rear-side electrodes are obtained using screen-printed contacts with H-patterns. The resulting highest-efficiency solar cell has front-and rear-side efficiencies of 20.3 and 18.7%, respectively, while the corresponding bifaciality is up to 92%. Finally, the passivation quality of the SiNx/Al2O3 stack on the front-side boron emitter and rear-side phosphorus BSF is investigated and visualized by measuring the internal quantum efficiency mapping of the bifacial solar cell. (C) 2017 The Japan Society of Applied Physics
机译:本文介绍了一种大面积(239-cm(2))高效n型双面太阳能电池,该电池使用管式炉热扩散处理,前侧硼发射器使用液体源BBr3,后侧使用POCl3。侧面磷背面场(BSF)。将SiNx / Al2O3叠层作为钝化层应用于正面硼发射极。正面和背面电极均使用带有H型图案的丝网印刷触点获得。所得的最高效率的太阳能电池的正面和背面效率分别为20.3和18.7%,而相应的双面性高达92%。最后,通过测量双面太阳能电池的内部量子效率图,研究并可视化了正面硼发射体和背面磷BSF上SiNx / Al2O3叠层的钝化质量。 (C)2017日本应用物理学会

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  • 来源
    《Japanese journal of applied physics》 |2017年第10期|102303.1-102303.5|共5页
  • 作者单位

    Natl Inst Adv Ind Sci & Technol, Fukushima Renewable Energy Inst, Koriyama, Fukushima 9630298, Japan;

    Natl Inst Adv Ind Sci & Technol, Fukushima Renewable Energy Inst, Koriyama, Fukushima 9630298, Japan;

    Natl Inst Adv Ind Sci & Technol, Fukushima Renewable Energy Inst, Koriyama, Fukushima 9630298, Japan;

    Natl Inst Adv Ind Sci & Technol, Fukushima Renewable Energy Inst, Koriyama, Fukushima 9630298, Japan;

    Natl Inst Adv Ind Sci & Technol, Fukushima Renewable Energy Inst, Koriyama, Fukushima 9630298, Japan;

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