| 表面等离子体-微腔激元对顶入射有机薄膜太阳能电池光吸收效率的增强 |
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| 引用本文： | 金玉,王康,邹道华,吴志军,相春平.表面等离子体-微腔激元对顶入射有机薄膜太阳能电池光吸收效率的增强[J].发光学报,2017,38(11). |
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| 作者姓名： | 金玉 王康 邹道华 吴志军 相春平 |
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| 作者单位： | 1. 华侨大学信息科学与工程学院 福建省光传输与变换重点实验室,福建 厦门,361021;2. 集美大学 信息工程学院,福建 厦门,361021 |
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| 基金项目： | 国家自然科学基金，华侨大学研究项目(13BS419)资助 Supported by National Natural Science Foundation of China，Research Project of Huaqiao University |
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| 摘 要： | 为了提高顶入射有机薄膜太阳能电池(TOSCs)的光吸收效率,我们将周期性矩形光栅结构引入到TOSCs中,分析了具有光栅结构的空气/Ag_1/有源层/Ag_2/空气(IMIMI)结构理想模型中复合表面等离子激元(SPPs)与微腔模式的耦合机制。通过调节光栅周期和有源层厚度,实现了复合SPPs、微腔模式以及有机材料本征吸收3个区域的重合。由于复合SPPs与微腔模式的反交叉耦合作用形成了表面等离子体-微腔激元,其局域场增强作用有效地提高了有源层的光吸收效率,提高了近19%。
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| 关 键 词： | 顶入射有机薄膜太阳能电池(TOSCs) 表面等离子激元 等离子体-微腔激元 矩形光栅 |
Plasmon-cavity Polaritons Enhance The Absorption Efficiency of Top-incident Organic Thin-film Solar Cells |
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| JIN Yu,WANG Kang,ZOU Dao-hua,WU Zhi-jun,XIANG Chun-ping.Plasmon-cavity Polaritons Enhance The Absorption Efficiency of Top-incident Organic Thin-film Solar Cells[J].Chinese Journal of Luminescence,2017,38(11). |
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| Authors: | JIN Yu WANG Kang ZOU Dao-hua WU Zhi-jun XIANG Chun-ping |
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| Abstract: | The absorption efficiency of top-incident organic thin-film solar cells ( TOSCs ) was im-proved by employing rectangle grating structure. The coupling mechanism between the hybridized surface plasmon polariatons and microcavity modes in ideal model of air/Ag1/active layer/Ag2/air ( IMIMI) structure was analyzed. By tuning the period of the grating and the thickness of the active layer, the resonance region of the hybridized surface plasmon polaritons and microcavity modes are matched with the intrinsic absorption range of the organic materials. Due to the electric field en-hancement effect of plasmon-cavity polaritons formed by the anticross-coupling between the micro-cavity modes and the surface plasmon polaritons, the absorption efficiency of the active layer is in-creased obviously, exhibits a increment of 19%. |
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| Keywords: | top-incident organic thin-film solar cells(TOSCs) surface plasmon polaritons plasmon-cavity polari-tons rectangle grating |
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