Enhanced photocurrent of perovskite solar cells by dual-sensitized β-NaYF4: Nd3+/Yb3+/Er3+ up-conversion nanoparticles

被引:30
|
作者
Wang, Mei [1 ]
Wu, Yangqing [1 ]
Juan, Fangying [1 ]
Li, Yujiao [1 ]
Shi, Beibei [1 ]
Xu, Fan [1 ]
Jia, Jinbiao [1 ]
Wei, Haoming [1 ]
Cao, Bingqiang [1 ]
机构
[1] Qufu Normal Univ, Sch Phys & Phys Engn, Shandong Prov Key Lab Laser Polarizat & Informat, Qufu 273165, Shandong, Peoples R China
基金
中国国家自然科学基金;
关键词
Rare-earth doping; Dual-sensitizers; Up-conversion; Perovskite solar cell; Photocurrent; HOLE-TRANSPORT-LAYER; PERFORMANCE; LUMINESCENCE; EFFICIENCY; ELECTRON; NANOCRYSTALS; PASSIVATION; NAYF4YB3+; LENGTHS;
D O I
10.1016/j.cplett.2020.138253
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Expanding the solar spectral response near-infrared wave range is undoubtedly an important strategy that can enhance the power conversion efficiency of perovskite solar cells. While, the up-conversion nanoparticles with only one sensitizer to absorb near-infrared photons cannot meet the needs. Hence, NaYF4:Nd3+/Yb3+/Er3+ rare earth doped up-conversion nanoparticles with dual-sensitizers are synthesized. By doping rare earth ions Nd3+, Yb3+ and Er3+, the photocurrent density of perovskite solar cells is increased from 20.87 mA cm(-2) to 22.74 mA cm(-2), and the power conversion efficiency is increased from 17.95% to 19.23%, an improvement of 7.13% compared with reference device.
引用
收藏
页数:6
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