scholarly journals The design of Mn2+&Co2+ co-doped CdTe quantum dot sensitized solar cells with much higher efficiency

RSC Advances ◽  
2020 ◽  
Vol 10 (59) ◽  
pp. 35701-35708
Author(s):  
Huazheng Li ◽  
Wangwei Lu ◽  
Bin Song ◽  
Jing Zhou ◽  
Gaoling Zhao ◽  
...  
Keyword(s):  
Solar Cells ◽  
Quantum Dot ◽  
Aqueous Phase ◽  
Energy Levels ◽  
Phase Method ◽  
Cdte Qds ◽  
Cdte Quantum Dot ◽  
Sensitized Solar Cells ◽  
Co Doped

Mn2+&Co2+ co-doped CdTe QDs were successfully synthesized via aqueous phase method with mercaptopropanoic acid, which could generate different doping energy levels, and as sensitizers applied for QDSCs, showing a significantly enhanced efficiency.

High efficiency CdS quantum-dot-sensitized solar cells with boron and nitrogen co-doped TiO2 nanofilm as effective photoanode

2015 ◽  
Vol 169 ◽  
pp. 103-108 ◽  
Author(s):  
Ling Li ◽  
Junying Xiao ◽  
Xichuan Yang ◽  
Wenming Zhang ◽  
Huayan Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Quantum Dot ◽  
High Efficiency ◽  
Doped Tio2 ◽  
Cds Quantum Dot ◽  
Sensitized Solar Cells ◽  
Co Doped

scholarly journals Performance Study of CdS/Co-Doped-CdSe Quantum Dot Sensitized Solar Cells

2014 ◽  
Vol 2014 ◽  
pp. 1-6 ◽  
Author(s):  
Xiaoping Zou ◽  
Sheng He ◽  
Gongqing Teng ◽  
Chuan Zhao
Keyword(s):  
Solar Cells ◽  
Quantum Dot ◽  
Performance Study ◽  
Co Doping ◽  
Transfer Path ◽  
Layer Adsorption ◽  
Cdse Quantum Dot ◽  
Cascade Energy ◽  
Sensitized Solar Cells ◽  
Co Doped

In order to optimize the charge transfer path in quantum dot sensitized solar cells (QDSCs), we employed successive ionic layer adsorption and reaction method to dope CdSe with Co for fabricating CdS/Co-doped-CdSe QDSCs constructed with CdS/Co-doped-CdSe deposited on mesoscopic TiO2film as photoanode, Pt counter electrode, and sulfide/polysulfide electrolyte. After Co doping, the bandgap of CdSe quantum dot decreases, and the conduction band and valence band all improve, forming a cascade energy level which is more conducive to charge transport inside the solar cell and reducing the recombination of electron-hole thus improving the photocurrent and ultimately improving the power conversion efficiency. This work has not been found in the literature.

Hidden energy levels? Carrier transport ability of CdS/CdS1−xSex quantum dot solar cells impacted by Cd–Cd level formation

Nanoscale ◽  
2019 ◽  
Vol 11 (2) ◽  
pp. 762-774 ◽  
Author(s):  
Andrés. F. Gualdrón-Reyes ◽  
Angel M. Meléndez ◽  
Juan Tirado ◽  
Mario Alejandro Mejia-Escobar ◽  
Franklin Jaramillo ◽  
...  
Keyword(s):  
Solar Cells ◽  
Electron Transport ◽  
Quantum Dot ◽  
Carrier Transport ◽  
Light Harvesting ◽  
Energy Levels ◽  
Quantum Dot Solar Cells ◽  
Sensitized Solar Cells ◽  
Cd Chalcogenides

Hidden Cd–Cd energy levels formed in Cd–chalcogenides impact both light harvesting and electron transport in quantum dot-sensitized solar cells.

scholarly journals Boron and Sulfur Co-doped TiO$lt;inf$gt;2$lt;/inf$gt; Nanofilm as High Efficiency CdS Quantum-dot-sensitized Solar Cells

2016 ◽  
Vol 31 (6) ◽  
pp. 627 ◽  
Author(s):  
LI Ling ◽  
XIAO Jun-Ying ◽  
CUI Mi-Dou ◽  
TAI You-Yi ◽  
PANG Yong-Wen ◽  
...  
Keyword(s):  
Solar Cells ◽  
Quantum Dot ◽  
High Efficiency ◽  
Cds Quantum Dot ◽  
Sensitized Solar Cells ◽  
Co Doped

scholarly journals Superior Photocurrent of Quantum Dot Sensitized Solar Cells Based on PbS : In/CdS Quantum Dots

2015 ◽  
Vol 2015 ◽  
pp. 1-9 ◽  
Author(s):  
Zongbo Huang ◽  
Xiaoping Zou
Keyword(s):  
Quantum Dots ◽  
Solar Cells ◽  
Quantum Dot ◽  
Short Circuit ◽  
Energy Levels ◽  
Short Circuit Current ◽  
Energy Conversion Efficiency ◽  
Short Circuit Current Density ◽  
Cds Quantum Dots ◽  
Sensitized Solar Cells

PbS : In and CdS quantum dots (QDs) are sequentially assembled onto a nanocrystalline TiO2film to prepare a PbS : In/CdS cosensitized photoelectrode for QD sensitized solar cells (QDSCs). The results show that PbS : In/CdS QDs have exhibited a significant effect in the light harvest and performance of the QDSC. In the cascade structure of the electrode, the reorganization of energy levels between PbS and TiO2forms a stepwise structure of band-edge levels which is advantageous to the electron injection into TiO2. Energy conversion efficiency of 2.3% is achieved with the doped electrode, under the illumination of one sun (AM1.5, 100 mW cm2). Besides, a remarkable short circuit current density (up to 23 mA·cm−2) is achieved in the resulting PbS : In/CdS quantum dot sensitized solar cell, and the related mechanism is discussed.

A new structure to increase the photostability of CdTe quantum dot sensitized solar cells

2011 ◽  
Vol 44 (4) ◽  
pp. 045103 ◽  
Author(s):  
M Samadpour ◽  
A Irajizad ◽  
N Taghavinia ◽  
M Molaei
Keyword(s):  
Solar Cells ◽  
Quantum Dot ◽  
Cdte Quantum Dot ◽  
Sensitized Solar Cells
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