发光学报, 2018, 39 (10): 1410, 网络出版: 2018-11-25   

Fe3O4纳米粒子对P3HT∶PCBM电池的影响

Effect of Fe3O4 Nanoparticles on P3HT∶PCBM Solar Cells
作者单位
1 长春工业大学 化学工程学院, 吉林 长春 130012
2 长春理工大学 高功率半导体激光国家重点实验室, 吉林 长春 130022
摘要
为了提高太阳能电池的性能, 研究磁性纳米粒子在外加磁场的作用下对聚合物太阳能电池有源层P3HT∶PCBM成膜及太阳能电池性能的影响。 本文采用热分解法制备了磁性Fe3O4纳米粒子, 将不同质量分数的Fe3O4纳米粒子掺入到P3HT∶PCBM溶液中, 旋涂后在外加磁场的作用下自组成膜。通过TEM、XRD对制备的Fe3O4纳米粒子进行表征, 并利用偏光显微镜、原子力显微镜对成膜质量进行探究。结果表明, 采用热分解法制备的Fe3O4纳米粒子直径在10 nm左右, 在外加磁场作用下, Fe3O4纳米粒子对成膜有一定的调控作用。当Fe3O4纳米粒子掺杂质量分数为1%时, 太阳能电池器件的开路电压增加3.77%, 短路电流增加24.93%, 光电转换效率提高7.82%。
Abstract
To improve the properties of polymer solar cells, the effect of magnetic nanoparticles on the P3HT∶PCBM films as the active layer and the properties of polymer solar cells under the external magnetic field were investigated. The Fe3O4 magnetic nanoparticles were prepared by thermal decomposition. The Fe3O4 nanoparticles of different mass fraction were added to P3HT∶PCBM solution.The as-casting films by spin coating method were put into the external magnetic field and the self-assembled Fe3O4+P3HT∶PCBM films were formed. Fe3O4 nanoparticles were characterized by TEM and XRD, and the surface morphology of films was investigated by polarizing microscope(POM) and atomic force microscope(AFM). The results show that Fe3O4 nanoparticles are about 10 nm in diameter, and have a certain regulating effect on building film of P3HT∶PCBM. When Fe3O4 nanoparticles are added with a mass fraction 1%, the open circuit voltage(Voc) of the solar cells increases by 3.77%, the short-circuit current(Ist) increases by 24.93%, and the photoelectric conversion efficiency(PCE) increases by 7.82%.

王丽娟, 范思大, 张梁, 张沛沛, 李占国, 孙丽晶. Fe3O4纳米粒子对P3HT∶PCBM电池的影响[J]. 发光学报, 2018, 39(10): 1410. WANG Li-juan, FAN Si-da, ZHANG Liang, ZHANG Pei-pei, LI Zhan-guo, SUN li-jing. Effect of Fe3O4 Nanoparticles on P3HT∶PCBM Solar Cells[J]. Chinese Journal of Luminescence, 2018, 39(10): 1410.

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