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Efficiency improvement of silicon nanostructurebased solar cells

机译：基于硅纳米结构的太阳能电池的效率提高

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摘要

Solar cells based on a high-efficiency silicon nanostructure (SNS) were developed using a two-step metal-assisted electroless etching (MAEE) technique, phosphorus silicate glass (PSG) doping and screen printing. This process was used to produce solar cells with a silver nitrate (AgNO_3) etching solution in different concentrations. Compared to cells produced using the single MAEE technique, SNS-based solar cells produced with the two-step MAEE technique showed an increase in silicon surface coverage of ~181.1% and a decrease in reflectivity of ~144.3%. The performance of the SNS-based solar cells was found to be optimized (~11.86%) in an SNS with a length of ~300 nm, an aspect ratio of ~5, surface coverage of ~84.9% and a reflectivity of ~6.1%. The ~16.8% increase in power conversion efficiency (PCE) for the SNS-based solar cell indicates good potential for mass production.
机译：利用两步金属辅助化学蚀刻（MAEE）技术，磷硅酸玻璃（PSG）掺杂和丝网印刷技术开发了基于高效硅纳米结构（SNS）的太阳能电池。该工艺用于生产具有不同浓度的硝酸银（AgNO_3）蚀刻溶液的太阳能电池。与使用单MAEE技术生产的电池相比，使用两步MAEE技术生产的基于SNS的太阳能电池的硅表面覆盖率增加了〜181.1％，反射率降低了〜144.3％。发现基于SNS的太阳能电池在约300 nm的长度，约5的长宽比，约84.9％的表面覆盖率和约6.1％的反射率的SNS中性能最佳（〜11.86％） 。基于SNS的太阳能电池的功率转换效率（PCE）增长了〜16.8％，表明了大规模生产的良好潜力。

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