Preparation of YbF3-Ho@TiO2 core–shell sub-microcrystal spheres and their application to the electrode of dye-sensitized solar cells

2020 ◽  
Vol 44 (25) ◽  
pp. 10545-10553
Author(s):  
Jia Yu ◽  
Yulin Yang ◽  
Chuanxiang Zhang ◽  
Ruiqing Fan ◽  
Ting Su
Keyword(s):  
Solar Cells ◽  
Light Scattering ◽  
Charge Separation ◽  
Light Harvesting ◽  
Dye Sensitized Solar Cells ◽  
Recombination Process ◽  
Core Shell ◽  
Dye Sensitized ◽  
Nir Light ◽  
Sensitized Solar Cells

The TiO2/YbF3-Ho@TiO2 heterostructure with light-scattering and NIR-light harvesting characteristics can facilitate charge separation, suppress recombination process and prolong the lifetime of electrons.

Synthesis of 1D upconversion CeO2:Er, Yb nanofibers via electrospinning and their performance in dye-sensitized solar cells

RSC Advances ◽  
2015 ◽  
Vol 5 (54) ◽  
pp. 43328-43333 ◽  
Author(s):  
Jingyi Bai ◽  
Rongfang Zhao ◽  
Gui Han ◽  
Zhongcui Li ◽  
Guowang Diao
Keyword(s):  
Solar Cells ◽  
Visible Light ◽  
Light Harvesting ◽  
Dye Sensitized Solar Cells ◽  
Dye Sensitized ◽  
Nir Light ◽  
Electrospinning Method ◽  
Harvesting Efficiency ◽  
Light Harvesting Efficiency ◽  
Sensitized Solar Cells

1D upconversion CeO2:Er, Yb nanofibers, which absorb NIR light and upconvert it to visible light to increase the photocurrent of DSSCs, have been fabricated by an electrospinning method. An enhancement of 14% in the light harvesting efficiency was observed.

Design of efficient dye-sensitized solar cells with patterned ZnO–ZnS core–shell nanowire array photoanodes

Nanoscale ◽  
2014 ◽  
Vol 6 (9) ◽  
pp. 4691-4697 ◽  
Author(s):  
Xiang Chen ◽  
Zhiming Bai ◽  
Xiaoqin Yan ◽  
Haoge Yuan ◽  
Guangjie Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Conversion Efficiency ◽  
Light Harvesting ◽  
Nanowire Array ◽  
Dye Sensitized Solar Cells ◽  
Core Shell ◽  
Dye Sensitized ◽  
Sensitized Solar Cells

The light-harvesting ability and conversion efficiency of DSSCs can be significantly improved with the use of patterned ZnO–ZnS core–shell nanowire array photoanodes.

scholarly journals Dyes Amount and Light Scattering Influence on the Photocurrent Enhancement of Titanium Dioxide Hierarchically Structured Photoanodes for Dye-Sensitized Solar Cells

Coatings ◽  
2019 ◽  
Vol 10 (1) ◽  
pp. 13 ◽  
Author(s):  
Wen-Yao Huang ◽  
Tung-Li Hsieh
Keyword(s):  
Titanium Dioxide ◽  
Solar Cells ◽  
Light Scattering ◽  
Light Harvesting ◽  
Short Circuit ◽  
Dye Sensitized Solar Cells ◽  
Strong Light ◽  
Dye Sensitized ◽  
Dye Loading ◽  
Sensitized Solar Cells

In this study, we prepared and analyzed the properties of hill-like hierarchically structured titanium dioxide (TiO2) photoanodes for dye-sensitized solar cells (DSSCs). We expected that the presence of appropriately aggregated TiO2 clusters in the photoanode layer would translate to relatively strong light scattering and dye loading, increasing the photovoltaic efficiency. A detailed light-harvesting study was performed by employing polyvinyl alcohol (PVA) polymers of different molecular weights as binders for the aggregation of the TiO2 nanoparticles (P-25 Degussa). Hence, we obtained a series of TiO2 films, presenting a variety of morphologies. Their reflection, as well as absorbance of light by the attached dye, the amount of dye loading, and the performance of the fabricated DSSC devices were investigated. Our optimized device, with a relatively high dye loading and good light harvesting ability, was able to enhance the short-circuit current (Jsc) in the DSSCs by 23%.

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