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Front and Back-Junction Carbon Nanotube-Silicon Solar Cells with an Industrial Architecture

机译：具有工业架构的前结和后结碳纳米管-硅太阳能电池

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摘要

In the past, the application of carbon nanotube-silicon solar cell technology to industry has been limited by the use of a metallic frame to define an active area in the middle of a silicon wafer. Here, industry standard device geometries are fabricated with a front and back-junction design which allow for the entire wafer to be used as the active area. These are enabled by the use of an intermixed Nafion layer which simultaneously acts as a passivation, antireflective, and physical blocking layer as well as a nanotube dopant. This leads to the formation of a hybrid nanotube/Nafion passivated charge selective contact, and solar cells with active areas of 1-16 cm(2) are fabricated. Record maximum power conversion efficiencies of 15.2% and 18.9% are reported for front and back-junction devices for 1 and 3 cm(2) active areas, respectively. By placing the nanotube film on the rear of the device in a back-junction architecture, many of the design-related challenges for carbon nanotube silicon solar cells are addressed and their future applications to industrialized processes are discussed.
机译：过去，碳纳米管-硅太阳能电池技术在工业上的应用一直受到使用金属框架在硅片中间限定有源区的限制。在这里，行业标准的器件几何结构采用前结和后结设计制造，从而可以将整个晶片用作有源区。这些可以通过使用混合的Nafion层来实现，该层同时充当钝化层，抗反射层和物理阻挡层以及纳米管掺杂剂。这导致形成混合纳米管/ Nafion钝化的电荷选择性接触，并制造出具有1-16 cm（2）活性面积的太阳能电池。分别针对1和3 cm（2）有源区域的前结和后结器件报告了创纪录的最大功率转换效率15.2％和18.9％。通过在后接结构中将纳米管膜放置在设备的背面，碳纳米管硅太阳能电池的许多与设计有关的挑战得以解决，并讨论了其在工业化过程中的未来应用。

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  • 来源
    《Advanced Functional Materials》 |2020年第17期|2000484.1-2000484.11|共11页
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  • 作者单位

    Karlsruhe Inst Technol Inst Nanotechnol D-76131 Karlsruhe Germany|Hebei Univ Coll Phys Sci & Technol Hebei Key Lab Opt Informat & Mat Baoding 071002 Peoples R China;

    Karlsruhe Inst Technol Inst Nanotechnol D-76131 Karlsruhe Germany;

    Hebei Univ Coll Phys Sci & Technol Hebei Key Lab Opt Informat & Mat Baoding 071002 Peoples R China;

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  • 正文语种 eng
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  • 关键词

    energy; Nafion; photovoltaic; SWCNT; thin-film;

    机译：能源;Nafion;光伏SWCNT;薄膜;

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