scholarly journals CoS/Nanocarbon Composite as a Catalytic Counter Electrode for Improved Performance of Quantum Dot-Sensitized Solar Cells

2019 ◽  
Vol 2019 ◽  
pp. 1-8
Author(s):  
Wen Yang ◽  
Yang Sun ◽  
Peizhi Yang ◽  
Xiaobo Chen
Keyword(s):  
Solar Cells ◽  
Quantum Dot ◽  
Hydrothermal Method ◽  
Active Sites ◽  
Counter Electrode ◽  
Continuous Illumination ◽  
Counter Electrodes ◽  
One Pot ◽  
Transfer Resistance ◽  
Sensitized Solar Cells

CoS/nanocarbon (NC) composites were prepared via a one-pot hydrothermal method and were used as counter electrodes (CEs) in quantum dot-sensitized solar cells (QDSCs). The CoS/nanocarbon (NC) composite thin film CE has been prepared via a one-pot hydrothermal method. Addition of NC to the solution before hydrothermal treatment led to a CoS/NC composite with a good dispersion of conducting NC. The nanoscaled CoS in the composite CE provides abundant catalytic sites, and the carbon particle framework also acts as highly conductive paths for fast charge transport from the counter electrode (highly catalytic CoS active sites) to the photoanode. The optimized CoS/NC composite CE showed a two-order decrease in the charge-transfer resistance, compared to the pure CoS CE. The TiO2/CdS/CdSe/ZnS-based QDSC using the optimized CoS/NC composite CE shows enhanced photovoltaic performance with a power conversion efficiency of 4.46% and good stability (94.8% retention after 100 h continuous illumination).

Recent progress in quantum dot sensitized solar cells: an inclusive review of photoanode, sensitizer, electrolyte, and the counter electrode

2019 ◽  
Vol 7 (17) ◽  
pp. 4911-4933 ◽  
Author(s):  
Venkata Thulasivarma Chebrolu ◽  
Hee-Je Kim
Keyword(s):  
Solar Cells ◽  
Quantum Dot ◽  
Counter Electrode ◽  
Recent Progress ◽  
Future Prospects ◽  
Counter Electrodes ◽  
Comprehensive Overview ◽  
Highly Efficient ◽  
Sensitized Solar Cells

We present a comprehensive overview of the development of quantum dot-sensitized solar cells (QDSCs), including photoanodes, sensitizers, electrolytes, and counter electrodes, and discuss future prospects for the development of highly efficient and stable QDSCs.

Sequential deposition as a route for efficient counter electrodes in quantum dot sensitized solar cells

RSC Advances ◽  
2015 ◽  
Vol 5 (57) ◽  
pp. 45592-45598 ◽  
Author(s):  
Shaghayegh Arabzade ◽  
Mahmoud Samadpour ◽  
Nima Taghavinia
Keyword(s):  
Solar Cells ◽  
Quantum Dot ◽  
Counter Electrode ◽  
Counter Electrodes ◽  
Sequential Deposition ◽  
Sensitized Solar Cells

Sequentially deposited CuS and PbS layers on the FTO substrate as a counter electrode in quantum dot sensitized solar cells.

Anchoring CuS nanoparticles on accordion-like Ti3C2 as high electrocatalytic activity counter electrodes for QDSSCs

2020 ◽  
Vol 7 (19) ◽  
pp. 3727-3734
Author(s):  
Zizun Tian ◽  
Zhonglu Qi ◽  
Yuhao Yang ◽  
Hailong Yan ◽  
Qianqiao Chen ◽  
...  
Keyword(s):  
Solar Cells ◽  
Ion Exchange ◽  
Quantum Dot ◽  
Electrocatalytic Activity ◽  
Room Temperature ◽  
Counter Electrode ◽  
Counter Electrodes ◽  
Exchange Method ◽  
Ion Exchange Method ◽  
Sensitized Solar Cells

A Ti3C2/CuS composite has been fabricated as a counter electrode for quantum dot-sensitized solar cells by anchoring CuS nanoparticles on Ti3C2via a facile ion-exchange method at room temperature.

Graphite powder film-supported Cu2S counter electrodes for quantum dot-sensitized solar cells

2015 ◽  
Vol 3 (46) ◽  
pp. 12140-12148 ◽  
Author(s):  
Jing Hui Zeng ◽  
Dan Chen ◽  
Ye Feng Wang ◽  
Bin Bin Jin
Keyword(s):  
Solar Cells ◽  
Low Temperature ◽  
Quantum Dot ◽  
Counter Electrode ◽  
Graphite Powder ◽  
Counter Electrodes ◽  
Temperature Method ◽  
Sensitized Solar Cells

A graphite powder (GP) film-supported Cu2S counter electrode (CE) has been prepared by an accessible and low-temperature method.

Pulsed voltage deposited hierarchical dendritic PbS film as a highly efficient and stable counter electrode for quantum-dot-sensitized solar cells

2018 ◽  
Vol 6 (25) ◽  
pp. 6823-6831 ◽  
Author(s):  
Bin Bin Jin ◽  
Guo Qing Zhang ◽  
Shu Ying Kong ◽  
Xin Quan ◽  
Hui Sheng Huang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Quantum Dot ◽  
Tin Oxide ◽  
Counter Electrode ◽  
Counter Electrodes ◽  
Glass Substrates ◽  
One Step ◽  
Sensitized Solar Cells ◽  
Fto Glass ◽  
Pulsed Voltage

Hierarchical dendritic PbS films were deposited on fluorine doped tin oxide (FTO) glass substrates as counter electrodes (CE) for quantum dot-sensitized solar cells (QDSSCs) by a facile one-step pulse voltage electrodeposition method.

scholarly journals Synthesis, Characterization and Optimization of Hydrothermally Fabricated Binary Palladium Alloys PdNix for Use as Counter Electrode Catalysts in Dye Sensitized Solar Cells

Materials ◽  
2019 ◽  
Vol 12 (19) ◽  
pp. 3116
Author(s):  
Nyengerai Zingwe ◽  
Edson Meyer ◽  
Johannes Mbese
Keyword(s):  
Solar Cells ◽  
Counter Electrode ◽  
Dye Sensitized Solar Cells ◽  
Molar Ratio ◽  
Palladium Alloys ◽  
Counter Electrodes ◽  
Density Peak ◽  
Transfer Resistance ◽  
Dye Sensitized ◽  
Sensitized Solar Cells

The hydrothermal synthesis, characterization and optimization of binary palladium alloys PdNix is hereby presented in this work. Comparison of the reduction capability of the developed PdNix alloys intended for use as alternative counter electrode catalysts in dye sensitized solar cells was made relative to the standard platinum counter electrode catalyst as well as the carbon supported PdNi-rGO sample. Optimization was accomplished through varying the molar ratio of the reagents. The unsupported PdNi3 sample produced the highest catalytic efficiency with reduction current density, peak to peak potential difference and charge transfer resistance of 35 mA cm−2, 0.15 mV and 0.47 Ω respectively. Obtained results show that the unsupported PdNi3 alloy was catalytically more effective than the platinum and PdNi-rGO thus could be a viable replacement in dye sensitized solar cell counter electrodes.

Cost-effective and morphology controllable PVP based highly efficient CuS counter electrodes for high-efficiency quantum dot-sensitized solar cells

2015 ◽  
Vol 44 (25) ◽  
pp. 11340-11351 ◽  
Author(s):  
Hee-Je Kim ◽  
Lee Myung-Sik ◽  
Chandu V. V. M. Gopi ◽  
M. Venkata-Haritha ◽  
S. Srinivasa Rao ◽  
...  
Keyword(s):  
Solar Cells ◽  
Quantum Dot ◽  
Counter Electrode ◽  
High Efficiency ◽  
Cost Effective ◽  
Maximum Efficiency ◽  
Counter Electrodes ◽  
Highly Efficient ◽  
Sensitized Solar Cells

A maximum efficiency of 5.22% was achieved with the optimized 0.25 mM PVP based Mn–CuS counter electrode.

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