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Bifacial Schottky‐Junction Plasmonic‐Based Solar Cell
Energy Technology ( IF 3.6 ) Pub Date : 2020-01-30 , DOI: 10.1002/ente.201901280 Mohamed Farhat 1 , Ahmer A. B. Baloch 2 , Sergey N. Rashkeev 2 , Nouar Tabet 3 , Sabre Kais 4, 5 , Fahhad H. Alharbi 6, 7
Energy Technology ( IF 3.6 ) Pub Date : 2020-01-30 , DOI: 10.1002/ente.201901280 Mohamed Farhat 1 , Ahmer A. B. Baloch 2 , Sergey N. Rashkeev 2 , Nouar Tabet 3 , Sabre Kais 4, 5 , Fahhad H. Alharbi 6, 7
Affiliation
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Plasmonically‐enhanced and Schottky‐based devices are very appealing candidates for sunlight energy–harvesting applications. However, this class of structures introduces inherent limitations such as thermionic emission (and the related dark current). This article theoretically proposes using the metal–semiconductor–metal heterojunction under bifacial mode. In this design, plasmonic periodic gratings are introduced in the bifacial configuration to allow collection of light from both faces of the solar junction. This results in improved carrier generation and enhanced device performance of a cell with a 3 μm thick Si absorber. Bifacial gain for short circuit current is found to be 88%, with a bifaciality factor (the ratio of rear to front response of the device) of 84%. By optimizing the filling fractions of the front and rear plasmonic gratings, the obtained normalized output becomes higher than 25%; i.e., it almost doubles the performance in comparison with the monofacial Schottky solar cell.
中文翻译：
双面肖特基结等离子基太阳能电池
等离子增强型和肖特基型器件非常适合用于阳光能量收集应用。但是，这类结构引入了固有的局限性，例如热电子发射（和相关的暗电流）。本文从理论上提出了在双面模式下使用金属-半导体-金属异质结的建议。在这种设计中，以双面配置引入了等离子周期光栅，以允许从太阳能结的两个面收集光。这导致具有3μm厚的Si吸收剂的电池的载流子产生得到改善，并且器件性能增强。发现短路电流的双面增益为88％，双面系数（设备前后响应之比）为84％。通过优化前后等离激元光栅的填充率，获得的归一化输出高于25％；也就是说，与单面肖特基太阳能电池相比，它的性能几乎提高了一倍。
更新日期：2020-01-30
中文翻译：
双面肖特基结等离子基太阳能电池
等离子增强型和肖特基型器件非常适合用于阳光能量收集应用。但是，这类结构引入了固有的局限性，例如热电子发射（和相关的暗电流）。本文从理论上提出了在双面模式下使用金属-半导体-金属异质结的建议。在这种设计中，以双面配置引入了等离子周期光栅，以允许从太阳能结的两个面收集光。这导致具有3μm厚的Si吸收剂的电池的载流子产生得到改善，并且器件性能增强。发现短路电流的双面增益为88％，双面系数（设备前后响应之比）为84％。通过优化前后等离激元光栅的填充率，获得的归一化输出高于25％；也就是说，与单面肖特基太阳能电池相比，它的性能几乎提高了一倍。
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