Synergic effects of upconversion nanoparticles NaYbF4:Ho3+ and ZrO2 enhanced the efficiency in hole-conductor-free perovskite solar cells

Nanoscale ◽  
2018 ◽  
Vol 10 (46) ◽  
pp. 22003-22011 ◽  
Author(s):  
Yanyan Li ◽  
Li Zhao ◽  
Meng Xiao ◽  
Yimin Huang ◽  
Binghai Dong ◽  
...  

This design enabled the dual-functional effects, that is, the harvesting of NIR light and its conversion to visible light and the reduction of the electron–hole recombination rate.

2016 ◽  
Vol 128 (13) ◽  
pp. 4352-4356 ◽  
Author(s):  
Ming He ◽  
Xinchang Pang ◽  
Xueqin Liu ◽  
Beibei Jiang ◽  
Yanjie He ◽  
...  

2018 ◽  
Vol 6 (44) ◽  
pp. 21999-22004 ◽  
Author(s):  
Jie Ding ◽  
Jialong Duan ◽  
Chenyang Guo ◽  
Qunwei Tang

CuInS2/ZnS QDs with tunable bandgaps were applied at the CsPbBr3/carbon interface for improved hole extraction and reduced electron–hole recombination. A PCE of as high as 8.42% was achieved for QDs tailored all-inorganic PSC in comparison with 6.01% for the pristine device.


2015 ◽  
Vol 3 (17) ◽  
pp. 9291-9297 ◽  
Author(s):  
Hong-Jyun Jhuo ◽  
Po-Nan Yeh ◽  
Sih-Hao Liao ◽  
Yi-Lun Li ◽  
Sunil Sharma ◽  
...  

Cross-linked anode interlayers (X-QUPD or X-OTPD) with solvent-resistance provide electron blocking to reduce electron–hole recombination for improving PCE of invert type solution processed perovskite solar cells.


APL Materials ◽  
2016 ◽  
Vol 4 (9) ◽  
pp. 091501 ◽  
Author(s):  
Pooya Azarhoosh ◽  
Scott McKechnie ◽  
Jarvist M. Frost ◽  
Aron Walsh ◽  
Mark van Schilfgaarde

2015 ◽  
Vol 3 (18) ◽  
pp. 9999-10004 ◽  
Author(s):  
H. P. Dong ◽  
Y. Li ◽  
S. F. Wang ◽  
W. Z. Li ◽  
N. Li ◽  
...  

A thin PEO layer was spin-coated on top of TiOx to modify the ETL for improved electron collection efficiency and better retarded electron–hole recombination, and therefore enhance device performance.


2017 ◽  
Vol 19 (8) ◽  
pp. 5959-5970 ◽  
Author(s):  
Adam Pockett ◽  
Giles E. Eperon ◽  
Nobuya Sakai ◽  
Henry J. Snaith ◽  
Laurence M. Peter ◽  
...  

Perovskite solar cells are shown to behave as coupled ionic–electronic conductors with evidence that the ionic environment moderates the rate of electron–hole recombination.


2020 ◽  
Vol 2020 ◽  
pp. 1-8 ◽  
Author(s):  
Yujing Yang ◽  
Yue Zhu ◽  
Xiaoxiao Wang ◽  
Qi Song ◽  
Chao Ji ◽  
...  

Bifacial solar cells based on organic-inorganic perovskite are fabricated with a laminating process. The structure of the devices is ITO/SnO2/CH3NH3PbI3/NiOx/ITO, in which both electrodes are the transparent ITO layer. Therefore, the device can receive light from both sides. By laminating the two half-devices, ITO/SnO2/CH3NH3PbI3 and CH3NH3PbI3/NiOx/ITO, at high temperature with pressure, the merging of the middle perovskite layers is enhanced. The optimized bifacial PSCs show a Voc of 0.85 V, FF of 0.58, Jsc of 17.53 mA/cm2, and PCE of 8.47%. The photovoltaic performance varies when the light is illuminated from different sides of the bifacial PSCs. With illumination from the SnO2 side, the Voc and Jsc of the PSCs are apparently higher than those from the NiOx side, suggesting more severe electron-hole recombination at the NiOx/perovskite interface than at the SnO2/perovskite interface.


2018 ◽  
Vol 42 (12) ◽  
pp. 10279-10289 ◽  
Author(s):  
Jie Li ◽  
Lei Xu ◽  
Jie He ◽  
Lifang Hu ◽  
Liangguo Da ◽  
...  

The decreased electron–hole recombination rate of the NiO/HTi2NbO7nanocomposite plays a crucial role in improving visible-light photocatalytic activity.


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