银纳米片等离子体效应增强有机太阳能电池及其性能优化研究

邹润秋; 秦文静; 张强; 杨利营; 曹焕奇; 印寿根

doi:10.3788/fgxb20153607.0788

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银纳米片等离子体效应增强有机太阳能电池及其性能优化研究

器件制备及器件物理 | 更新时间：2020-08-12

- 银纳米片等离子体效应增强有机太阳能电池及其性能优化研究
- Mechanism of Surface Plasmon Enhancement in Polymer Solar Cells with Ag Nanoprisms
- 发光学报 2015年36卷第7期页码：788-794
- 作者机构：
  
  1. 天津理工大学材料物理所天津,300384
  2. 天津理工大学天津光电显示材料与器件重点实验室天津,300384
- 作者简介：
- 基金信息：
  
  国家自然科学基金(51402214)();天津自然科学基金(14JCTJC00565,13JCYBJC18900,10ZCKFGX01900,10SYSYJC28100
- DOI：10.3788/fgxb20153607.0788
  中图分类号： TM914.4;TN304
- 纸质出版日期：2015-7-3，
  
  收稿日期：2015-4-20，
  
  修回日期：2015-5-14，
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邹润秋, 秦文静, 张强等. 银纳米片等离子体效应增强有机太阳能电池及其性能优化研究[J]. 发光学报, 2015,36(7): 788-794

ZOU Run-qiu, QIN Wen-jing, Zhang Qiang etc. Mechanism of Surface Plasmon Enhancement in Polymer Solar Cells with Ag Nanoprisms[J]. Chinese Journal of Luminescence, 2015,36(7): 788-794
邹润秋, 秦文静, 张强等. 银纳米片等离子体效应增强有机太阳能电池及其性能优化研究[J]. 发光学报, 2015,36(7): 788-794 DOI： 10.3788/fgxb20153607.0788.

ZOU Run-qiu, QIN Wen-jing, Zhang Qiang etc. Mechanism of Surface Plasmon Enhancement in Polymer Solar Cells with Ag Nanoprisms[J]. Chinese Journal of Luminescence, 2015,36(7): 788-794 DOI： 10.3788/fgxb20153607.0788.

摘要

将银纳米片引入有机太阳能电池

增强了器件的光吸收及光电转换效率。制备得到了具有不同等离子共振吸收特性的银纳米片。当银纳米片的等离子共振吸收与活性层的吸收相匹配时

器件的光电流显著增强。通过改变银纳米片与活性层之间的距离

研究了等离子体共振增强电磁场的传递特性。两者的距离越近则耦合入活性层的电磁场越强

器件的光电流越高。经优化后

以P3HT:PCBM为活性层的有机太阳能电池的光电转换效率由3.04%增长到3.82%

提高了26%。

Abstract

Ag nanoprisms (AgNPs) were introduced in polymer solar cells to improve the light absorption and performance. By changing the size and morphology of AgNPs

different plasmonic resonance characteristics were obtained. The device with good spectral overlap between AgNPs SPRs and active layer exhibited the highest photocurrent. The influence of electromagnetic scattering by AgNPs in the polymer solar cell was further investigated by changing the thickness of PEDOT:PSS buffer layer. It is found that more local electromagnetic near-fields couple to the photoactive layer with the decreasing of the thickness of PEDOT:PSS layer. By optimizing the thickness of PEDOT:PSS buffer layer and the spectral overlap between Ag nanoprisms and active layer

the power conversion efficiency of polymer solar cells with a structure of ITO/AgNPs/PEDOT:PSS/P3HT:PCBM/LiF/Al is raised to 3.82%

which is 1.26 times than that of the control device without AgNPs layer.

关键词

表面等离子体效应银纳米片能量转换效率有机太阳能电池

Keywords

plasmonAg nanoprismspower conversion efficiencypolymer solar cells

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