The role of NaYF4 nanoparticles in inverted polymer solar cells

Wenbin Guo; Huimin Jiang; Chunyu Liu; Yeyuan He; Xinyuan Zhang

doi:10.1117/12.2068395

21 August 2014 The role of NaYF₄ nanoparticles in inverted polymer solar cells

Wenbin Guo, Huimin Jiang, Chunyu Liu, Yeyuan He, Xinyuan Zhang

Proceedings Volume 9233, International Symposium on Photonics and Optoelectronics 2014; 923328 (2014) https://doi.org/10.1117/12.2068395
Event: International Symposium on Photonics and Optoelectronics (SOPO 2014), 2014, Suzhou, China

Abstract

NaYF₄ nanoparticles are doped into PCDTBT:PCBM blend as a dual function additive to improve light absorption of inverted polymer solar cells. The dependence of device performance on NaYF₄ in the blend film is investigated. The results show that the short-circuit current density is apparently enhanced by doping NaYF₄ into the active layer while maintaining the open-circuit voltage and fill factor, leading to an increase in power conversion efficiency. NaYF₄ maybe play two kinds of role for light absorption enhancement. Up-conversion (UC) emission from Y³⁺ is observed. The scattering effect of NaYF₄ nanoparticles (NPs) enhances the light absorption in visible region. The performance of polymer solar cell doped with NaYF₄ is compared with that of undoped. The concept of integrating nanoparticles into active layer suggests a promising and practical pathway for improving absorption of polymer solar cells.

Citation Download Citation

Wenbin Guo, Huimin Jiang, Chunyu Liu, Yeyuan He, and Xinyuan Zhang "The role of NaYF₄ nanoparticles in inverted polymer solar cells", Proc. SPIE 9233, International Symposium on Photonics and Optoelectronics 2014, 923328 (21 August 2014); https://doi.org/10.1117/12.2068395

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