TiO2 surface nanostructuring for improved dye loading and light scattering in double-layered screen-printed dye-sensitized solar cells

2015 ◽  
Vol 45 (8) ◽  
pp. 831-838 ◽  
Author(s):  
Mahsa Jalali ◽  
Roozbeh Siavash Moakhar ◽  
Ajay Kushwaha ◽  
Gregory Kia Liang Goh ◽  
Sayyed Khatiboleslam Sadrnezhaad ◽  
...  
Keyword(s):  
Solar Cells ◽  
Light Scattering ◽  
Dye Sensitized Solar Cells ◽  
Tio2 Surface ◽  
Surface Nanostructuring ◽  
Dye Sensitized ◽  
Dye Loading ◽  
Sensitized Solar Cells ◽  
Screen Printed

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%.

The effect of secondary dopants on screen‐printed PEDOT : PSS counter‐electrodes for dye‐sensitized solar cells

2021 ◽  
pp. 51929
Author(s):  
Pavol Gemeiner ◽  
Michaela Pavličková ◽  
Michal Hatala ◽  
Matej Hvojnik ◽  
Tomáš Homola ◽  
...  
Keyword(s):  
Solar Cells ◽  
Dye Sensitized Solar Cells ◽  
Counter Electrodes ◽  
Dye Sensitized ◽  
Sensitized Solar Cells ◽  
Screen Printed

Facile preparation of hierarchical TiO2nanowire–nanoparticle/nanotube architecture for highly efficient dye-sensitized solar cells

2015 ◽  
Vol 3 (40) ◽  
pp. 20366-20374 ◽  
Author(s):  
Nianqing Fu ◽  
Yan Liu ◽  
Yanchun Liu ◽  
Wei Lu ◽  
Limin Zhou ◽  
...  
Keyword(s):  
Solar Cells ◽  
Light Scattering ◽  
Surface Area ◽  
High Efficiency ◽  
Dye Sensitized Solar Cells ◽  
Dye Sensitized ◽  
One Step ◽  
Facile Preparation ◽  
Sensitized Solar Cells ◽  
Light Scattering Effect

Hierarchical TiO2architecture with a remarkably improved surface area and light scattering effect was preparedviaone-step post-treatment for dye-sensitized solar cells, achieving a high efficiency of 8.82%.

scholarly journals New Oxindole-Bridged Acceptors for Organic Sensitizers: Substitution and Performance Studies in Dye-Sensitized Solar Cells

Molecules ◽  
2020 ◽  
Vol 25 (9) ◽  
pp. 2159
Author(s):  
Yogesh S. Tingare ◽  
Chaochin Su ◽  
Ming-Tai Shen ◽  
Sheng-Han Tsai ◽  
Shih-Yu Ho ◽  
...  
Keyword(s):  
Solar Cells ◽  
Performance Studies ◽  
Dye Sensitized Solar Cells ◽  
Tio2 Surface ◽  
Carbonyl Groups ◽  
Dye Sensitized ◽  
Amide Carbonyl ◽  
And Performance ◽  
Sensitized Solar Cells ◽  
Organic Sensitizers

New D-π-A configured organic sensitizers featuring halogen-substituted oxindole-bridged acceptor units have been synthesized for dye-sensitized solar cells applications. Among fluorine, bromine, and iodine substitution, the cell based on bromine incorporated dye exhibited the highest efficiency. The oxindoles in these sensitizers were found to assist the electron injection through the chelation of their amide carbonyl groups to the TiO2 surface. This study provides an alternate approach for future rational dye design to gain excellent DSSC performance.

scholarly journals Bis-tridentate Ru(ii) sensitizers with a spatially encumbered 2,6-dipyrazolylpyridine ancillary ligand for dye-sensitized solar cells

RSC Advances ◽  
2017 ◽  
Vol 7 (67) ◽  
pp. 42013-42023 ◽  
Author(s):  
Ting-Kuang Chang ◽  
Yun Chi
Keyword(s):  
Solar Cells ◽  
Dye Sensitized Solar Cells ◽  
Charge Recombination ◽  
Ancillary Ligand ◽  
Dye Sensitized ◽  
Dye Loading ◽  
Sensitized Solar Cells

The sensitizer TF-tBu_C3F7 has shown the highest overall efficiencies of JSC = 18.47 mA cm−2, VOC = 767 mV, FF = 0.71 and PCE = 10.05% under simulated one sun irradiation, due to the fine balance between dye loading and reduced charge recombination.

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