Modification and photovoltaic properties of reduced graphene oxide/acetylene black composite electrode

  • Yue ShenEmail author
  • Tai Li
  • Kai Xu
  • Zongkun Zhang
  • Meng Cao
  • Feng Gu
  • Linjun Wang
Research Paper


A simple and high efficient reduced graphene oxide/acetylene black (rGO/ACET) nano-composite electrode was prepared as the substitute of high-cost Pt counter electrode in dye-sensitized solar cells (DSSCs). Surface-modified method called solvent-substituting (SS) was firstly used to avoid agglomeration of rGO sheets. The Brunner-Emmet-Teller (BET)-specific surface area of rGO was increased from 195.823 to 355.210 m2/g after modifying with ethanol. Then ACET particles were introduced between rGO layers to improve the electronic transportation properties. The chemical compositions, microstructures, and pore size distributions of rGO/ACET composites were investigated. Electrochemical impedance spectroscopy (EIS) indicated that rGO/ACET counter electrode had a lower charge transfer resistance (Rct) and its S-shaped current–voltage curves disappeared obviously. The highest power conversion efficiency up to 6.62% was achieved for the DSSCs with rGO/ACET nano-composite counter electrode.


rGO ACET DSSCs Solvent-substitution Electrode Nano-composite electrodes Solar energy applications 


Funding information

The work was funded by the National Natural Science Foundation of China (No. 11775139, No. 11375112), Shanghai City Committee of Science and Technology (15520500200) and Innovation Program of Shanghai University (XJ2016126).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer Nature B.V. 2018

Authors and Affiliations

  • Yue Shen
    • 1
    Email author
  • Tai Li
    • 1
  • Kai Xu
    • 1
  • Zongkun Zhang
    • 1
  • Meng Cao
    • 1
  • Feng Gu
    • 1
  • Linjun Wang
    • 1
  1. 1.School of Materials Science and EngineeringShanghai UniversityShanghaiPeople’s Republic of China

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