High-Efficiency Dye-Sensitized Solar Cells: The Influence of Lithium Ions on Exciton Dissociation, Charge Recombination, and Surface States

ACS Nano ◽  
2010 ◽  
Vol 4 (10) ◽  
pp. 6032-6038 ◽  
Author(s):  
Qingjiang Yu ◽  
Yinghui Wang ◽  
Zhihui Yi ◽  
Ningning Zu ◽  
Jing Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Efficiency ◽  
Dye Sensitized Solar Cells ◽  
Surface States ◽  
Charge Recombination ◽  
Exciton Dissociation ◽  
Lithium Ions ◽  
Dye Sensitized ◽  
Sensitized Solar Cells

scholarly journals High efficiency dye-sensitized solar cells with VOC–JSC trade off eradication by interfacial engineering of the photoanode|electrolyte interface

RSC Advances ◽  
2019 ◽  
Vol 9 (69) ◽  
pp. 40292-40300
Author(s):  
Anantharaj Gopalraman ◽  
Subbian Karuppuchamy ◽  
Saranyan Vijayaraghavan
Keyword(s):  
Solar Cells ◽  
Charge Transfer ◽  
High Efficiency ◽  
Dye Sensitized Solar Cells ◽  
Surface States ◽  
Trade Off ◽  
Interfacial Engineering ◽  
Dye Sensitized ◽  
Electrolyte Interface ◽  
Sensitized Solar Cells

VOC–JSC trade off is eliminated. Newly created surface states by OA in TiO2 facilitated the charge transfer kinetics.

Effect of TiO2 surface treatment on electron transfer in dye-sensitized solar cells

2022 ◽  
Author(s):  
Suping Jia ◽  
Tong Cheng ◽  
Huinian Zhang ◽  
Hao Wang ◽  
Caihong Hao
Keyword(s):  
Solar Cells ◽  
Electron Transport ◽  
High Efficiency ◽  
Surface Defects ◽  
Dye Sensitized Solar Cells ◽  
Charge Recombination ◽  
Defect States ◽  
Transport Pathway ◽  
Dye Sensitized ◽  
Sensitized Solar Cells

Defect states in the TiO2 nanoparticles can cause severe charge recombination and poor electron-transport efficiency when used as a photoanode in dye-sensitized solar cells (DSSCs). Herein, we report a simple and practical way to passivate the surface defects of TiO2 through hydrothermal treating with acetic acid and H2SO4, introducing a high percentage of 101 facets and sulfonic acid functional groups on the TiO2 surface. A high efficiency of 8.12% has been achieved, which is 14% higher than that of untreated TiO2 under the same condition. EIS results prove that the multiacid-treated TiO2 can promote electron transport and reduce charge recombination at the interface of the TiO2 and electrolyte. This work provides an efficient approach to engineer the electron-transport pathway in DSSCs.

Vanadium oxide as new charge recombination blocking layer for high efficiency dye-sensitized solar cells

Nano Energy ◽  
2015 ◽  
Vol 13 ◽  
pp. 368-375 ◽  
Author(s):  
Hytham Elbohy ◽  
Amit Thapa ◽  
Prashant Poudel ◽  
Nirmal Adhikary ◽  
Swaminathan Venkatesan ◽  
...  
Keyword(s):  
Solar Cells ◽  
Vanadium Oxide ◽  
High Efficiency ◽  
Dye Sensitized Solar Cells ◽  
Charge Recombination ◽  
Blocking Layer ◽  
Dye Sensitized ◽  
Sensitized Solar Cells

scholarly journals Ruthenium Sensitizers and Their Applications in Dye-Sensitized Solar Cells

2012 ◽  
Vol 2012 ◽  
pp. 1-21 ◽  
Author(s):  
Yuancheng Qin ◽  
Qiang Peng
Keyword(s):  
Solar Cells ◽  
High Efficiency ◽  
Low Cost ◽  
Dye Sensitized Solar Cells ◽  
Ruthenium Complexes ◽  
Practical Applications ◽  
Photovoltaic Energy ◽  
Dye Sensitized ◽  
Sensitized Solar Cells ◽  
Excellent Stability

Dye-sensitized solar cells (DSSCs) have attracted considerable attention in recent years due to the possibility of low-cost conversion of photovoltaic energy. The DSSCs-based ruthenium complexes as sensitizers show high efficiency and excellent stability, implying potential practical applications. This review focuses on recent advances in design and preparation of efficient ruthenium sensitizers and their applications in DSSCs, including thiocyanate ruthenium sensitizers and thiocyanate-free ruthenium sensitizers.

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