Journal of Electronic Materials

, Volume 46, Issue 6, pp 3639–3645 | Cite as

Fabrication of Copper(I) Bipyridyl Complex Based Dye Sensitized Solar Cells

  • Son Vuong
  • Ha-My Nguyen-Dang
  • Quang Thinh Tran
  • Thi Thu Thuy Luong
  • Trang T. T. Pham
  • Thuat Nguyen-Tran
  • Anh Tuan Mai


This study investigates the performance of dye-sensitized solar cells (DSSC) based on a copper(I) complex. A simple form of copper(I) complex dye was synthesized with a structure of [Cu(L)(CH3CN)], where L is the 6,6′-dimethyl-4,4′-bis(phenylethynyl)-2,2′-bipyridine ligand. The full structure of DSSC investigated in this study is as follows: FTO/TiO2/dye Cu(I) bipyridyl/3I/I3 electrolyte/graphite/FTO. The TiO2 photoanodes were deposited from apoly(vinylpyrrolidone)-based paste using a spin coating technique. Different conditions of fabrication, such as paste dispersion time and total TiO2 thickness, were systematically studied in order to optimize the performance of the DSSC. The trigonal planar complex [Cu(L)CH3CN] was revealed to be suitable for applications in DSSC. The highest exhibited short circuit current density was found to be 0.48 mA/cm2, with an open voltage of 477 mV, a form factor of 34% and a power conversion efficiency of 0.08% for the cell with photoanodes thickness of about 2.2 μm. It was shown that the dye and the paste formulation had great potential for applications in DSSC.


Copper(I) bipyridyl dye sensitized solar cells poly(vinylpyrrolidone) TiO2 paste 


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The authors greatly acknowledge the financial support of the National Foundation for Science and Technology Development-NAFOSTED under Project No. 103.02-2014.81 “Synthesis of organic-inorganic perovskite materials for application of absorber layers in hybrid heterojunction solar cells”. The authors would like to thank for use of research equipment from the project named “Strengthening research and training capacity in fields of Nanoscience and Technology, and Application in Medical, Pharmaceutical, Food, Biology, Environmental protection and Climate Change adaptation in the direction of sustainable development” of the Vietnam National University Hanoi.


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Copyright information

© The Minerals, Metals & Materials Society 2017

Authors and Affiliations

  • Son Vuong
    • 1
  • Ha-My Nguyen-Dang
    • 2
    • 3
  • Quang Thinh Tran
    • 1
  • Thi Thu Thuy Luong
    • 4
  • Trang T. T. Pham
    • 2
    • 5
  • Thuat Nguyen-Tran
    • 2
  • Anh Tuan Mai
    • 1
  1. 1.International Training Institute for Materials ScienceHanoi University of Science and TechnologyHanoiVietnam
  2. 2.Nano and Energy CenterVNU University of ScienceHanoiVietnam
  3. 3.Department of Advanced Materials Science and NanotechnologyUniversity of Science and Technology of HanoiHanoiVietnam
  4. 4.Faculty of ChemistryHanoi National University of EducationHanoiVietnam
  5. 5.Faculty of Engineering Physics and NanotechnologyVNU University of Engineering and TechnologyHanoiVietnam

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