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2013 | 124 | 4 | 750-754
Article title

Improvement of Efficiency in CdS Quantum Dots Sensitized Solar Cells

Content
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EN
Abstracts
EN
CdS quantum dots were coated on TiO_2 layer by successive ionic layer adsorption and reaction method. An efficient photovoltaic energy conversion and significant quantum-size effect were observed. The magnitude of the short-circuit photocurrent density J_{SC} was found to be approximately 6.01 mA/cm^2 for graphene oxide-incorporated CdS/TiO_2 solar cell, while the J_{SC} of only CdS-sensitized solar cells was lower than 4.40 mA/cm^2. The efficiency of the CdS/TiO_2 solar cell with a graphene oxide layer containing CdS QDs was 60% higher than that of the CdS/TiO_2 solar cell. The cell efficiency was remarkably improved with the graphene oxide-incorporation. The carrier recombination of the QDs sensitized solar cells based on CdS-coated TiO_2 was significantly suppressed due to photogenerated charge carrier transports resulting from the presence of graphene oxide.
Keywords
Publisher

Year
Volume
124
Issue
4
Pages
750-754
Physical description
Dates
published
2013-10
received
2013-07-01
(unknown)
2013-08-05
Contributors
author
  • Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
  • Physics and Engineering Mathematics Department, Faculty of Electronic Engineering, Menoufia University, Menouf 32952, Egypt
  • Advances in Composites, Synthesis and Applications Group, King Abdulaziz University, Jeddah, Saudia Arabia
author
  • Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
  • Advances in Composites, Synthesis and Applications Group, King Abdulaziz University, Jeddah, Saudia Arabia
author
  • Department of Physics, Faculty of Sciences and Arts, Bingol University, Bingol, Turkey
author
  • Department of Electrical Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah, Saudia Arabia
  • Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
  • Advances in Composites, Synthesis and Applications Group, King Abdulaziz University, Jeddah, Saudia Arabia
  • Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
  • Department of Physics, Faculty of Science, Firat University, Elazig 23169, Turkey
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv124n427kz
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